{"v":"2.0","page_type":"product","title":"Pro4AA","breadcrumbs":[{"label":"Home","href":"/python/html6/index.html"},{"label":"Brands","href":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html"},{"label":"Koss","href":"/python/html6/menu_brand_products/1000/88000/menu_brand_products_Koss_1_04eb82f917.html"},{"label":"Pro4AA","href":null}],"content":{"product":{"mpn":"Pro4AA","manufacturer":"Koss","brand":"Koss","brand_url":"/python/html6/menu_brand_products/1000/88000/menu_brand_products_Koss_1_04eb82f917.html","title":"Pro4AA","description":"","attributes":[{"name":"Brand name","values":[{"value":"Koss","url":"/python/html6/menu_attr_pair/1000/216000000/216368000/menu_attr_pair_Brandname_Koss_1_8279192a23.html"}],"name_url":"/python/html6/menu_attr_pair/1000/216000000/216368000/menu_attr_pair_Brandname_Koss_1_8279192a23.html"},{"name":"Manufacturer name","values":[{"value":"Koss","url":"/python/html6/menu_attr_pair/1000/166000000/166937000/menu_attr_pair_Manufacturername_Koss_1_5e4ff28bf3.html"}],"name_url":"/python/html6/menu_attr_pair/1000/166000000/166937000/menu_attr_pair_Manufacturername_Koss_1_5e4ff28bf3.html"},{"name":"Manufacturer","values":[{"value":"Koss","url":"/python/html6/menu_attr_pair/1000/84000000/84431000/menu_attr_pair_Manufacturer_Koss_1_fa5c94611e.html"},{"value":"Koss Corporation","url":"/python/html6/menu_attr_pair/1000/183000000/183431000/menu_attr_pair_Manufacturer_KossCorporation_1_a5c390a843.html"}],"name_url":"/python/html6/menu_attr_pair/1000/84000000/84431000/menu_attr_pair_Manufacturer_Koss_1_fa5c94611e.html"},{"name":"extendedQty","values":[{"value":"0","url":"/python/html6/menu_attr_pair/1000/84000000/84797000/menu_attr_pair_extendedQty_0_1_c3f7aa57d4.html"}],"name_url":"/python/html6/menu_attr_pair/1000/84000000/84797000/menu_attr_pair_extendedQty_0_1_c3f7aa57d4.html"},{"name":"moq","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"}],"name_url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"},{"name":"MPN","values":[{"value":"Pro4AA","url":"/python/html6/menu_attr_pair/1000/261000000/261420000/menu_attr_pair_MPN_Pro4AA_1_5a7a6073b0.html"}],"name_url":"/python/html6/menu_attr_pair/1000/261000000/261420000/menu_attr_pair_MPN_Pro4AA_1_5a7a6073b0.html"},{"name":"multiple","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"}],"name_url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"},{"name":"qtyInStock","values":[{"value":"0","url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"}],"name_url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"},{"name":"qtySource","values":[{"value":"updateFromUrlEntry","url":"/python/html6/menu_attr_pair/1000/229000000/229925000/menu_attr_pair_qtySource_updateFromUrlEntry_1_60106b417c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/229000000/229925000/menu_attr_pair_qtySource_updateFromUrlEntry_1_60106b417c.html"},{"name":"AdultProduct","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/135000000/135074000/menu_attr_pair_AdultProduct_False_1_c6441ece7c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/135000000/135074000/menu_attr_pair_AdultProduct_False_1_c6441ece7c.html"},{"name":"Age_range_description","values":[{"value":"Adult","url":"/python/html6/menu_attr_pair/1000/79000000/79567000/menu_attr_pair_Agerangedescription_Adult_1_3e26b4cc60.html"}],"name_url":"/python/html6/menu_attr_pair/1000/79000000/79567000/menu_attr_pair_Agerangedescription_Adult_1_3e26b4cc60.html"},{"name":"Asin","values":[{"value":"B00004Z7G9","url":"/python/html6/menu_attr_pair/1000/238000000/238963000/menu_attr_pair_Asin_B00004Z7G9_1_f9bfb2bafc.html"}],"name_url":"/python/html6/menu_attr_pair/1000/238000000/238963000/menu_attr_pair_Asin_B00004Z7G9_1_f9bfb2bafc.html"},{"name":"Autographed","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/11000000/11389000/menu_attr_pair_Autographed_False_1_3dfa18ce7d.html"}],"name_url":"/python/html6/menu_attr_pair/1000/11000000/11389000/menu_attr_pair_Autographed_False_1_3dfa18ce7d.html"},{"name":"Batteries_included","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/180000000/180176000/menu_attr_pair_Batteriesincluded_False_1_6c2d2ef5f5.html"}],"name_url":"/python/html6/menu_attr_pair/1000/180000000/180176000/menu_attr_pair_Batteriesincluded_False_1_6c2d2ef5f5.html"},{"name":"Batteries_required","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/91000000/91937000/menu_attr_pair_Batteriesrequired_False_1_87e9780f06.html"}],"name_url":"/python/html6/menu_attr_pair/1000/91000000/91937000/menu_attr_pair_Batteriesrequired_False_1_87e9780f06.html"},{"name":"Brand","values":[{"value":"Koss","url":"/python/html6/menu_attr_pair/1000/172000000/172402000/menu_attr_pair_Brand_Koss_1_f69716b3df.html"}],"name_url":"/python/html6/menu_attr_pair/1000/172000000/172402000/menu_attr_pair_Brand_Koss_1_f69716b3df.html"},{"name":"Bullet_point","values":[{"value":"Connectivity Technology: Wired","url":"/python/html6/menu_attr_pair/1000/28000000/28508000/menu_attr_pair_Bulletpoint_ConnectivityTechnologyWired_1_88263d4b06.html"},{"value":"Frequency Response - 10-20,000 Hz and Impedance - 16 ohms","url":"/python/html6/menu_attr_pair/1000/59000000/59977000/menu_attr_pair_Bulletpoint_FrequencyResponse1020000HzandImpedance16oh_1_50066fe0e8.html"}],"name_url":"/python/html6/menu_attr_pair/1000/28000000/28508000/menu_attr_pair_Bulletpoint_ConnectivityTechnologyWired_1_88263d4b06.html"},{"name":"ClassificationId","values":[{"value":"12097479011","url":"/python/html6/menu_attr_pair/1000/218000000/218979000/menu_attr_pair_ClassificationId_12097479011_1_b4a6f9eed7.html"}],"name_url":"/python/html6/menu_attr_pair/1000/218000000/218979000/menu_attr_pair_ClassificationId_12097479011_1_b4a6f9eed7.html"},{"name":"Color","values":[{"value":"Black","url":"/python/html6/menu_attr_pair/1000/11000000/11408000/menu_attr_pair_Color_Black_1_3b8665a044.html"}],"name_url":"/python/html6/menu_attr_pair/1000/11000000/11408000/menu_attr_pair_Color_Black_1_3b8665a044.html"},{"name":"Connectivity_technology","values":[{"value":"Wired","url":"/python/html6/menu_attr_pair/1000/2000000/2909000/menu_attr_pair_Connectivitytechnology_Wired_1_17dd523510.html"}],"name_url":"/python/html6/menu_attr_pair/1000/2000000/2909000/menu_attr_pair_Connectivitytechnology_Wired_1_17dd523510.html"},{"name":"Contributors","values":[{"value":"Headphones","url":"/python/html6/menu_attr_pair/1000/3000000/3287000/menu_attr_pair_Contributors_Headphones_1_77a5843fef.html"}],"name_url":"/python/html6/menu_attr_pair/1000/3000000/3287000/menu_attr_pair_Contributors_Headphones_1_77a5843fef.html"},{"name":"Currency","values":[{"value":"USD","url":"/python/html6/menu_attr_pair/1000/87000000/87085000/menu_attr_pair_Currency_USD_1_13982ec5ea.html"}],"name_url":"/python/html6/menu_attr_pair/1000/87000000/87085000/menu_attr_pair_Currency_USD_1_13982ec5ea.html"},{"name":"Customer_package_type","values":[{"value":"Standard Packaging","url":"/python/html6/menu_attr_pair/1000/120000000/120899000/menu_attr_pair_Customerpackagetype_StandardPackaging_1_9cb49f3f70.html"}],"name_url":"/python/html6/menu_attr_pair/1000/120000000/120899000/menu_attr_pair_Customerpackagetype_StandardPackaging_1_9cb49f3f70.html"},{"name":"DisplayName","values":[{"value":"Artist","url":"/python/html6/menu_attr_pair/1000/163000000/163565000/menu_attr_pair_DisplayName_Artist_1_3d4d903085.html"},{"value":"Over-Ear Headphones","url":"/python/html6/menu_attr_pair/1000/208000000/208533000/menu_attr_pair_DisplayName_OverEarHeadphones_1_7971b095eb.html"}],"name_url":"/python/html6/menu_attr_pair/1000/163000000/163565000/menu_attr_pair_DisplayName_Artist_1_3d4d903085.html"},{"name":"Feature","values":[{"value":"Noise isolating professional studio headphones The first dynamic headphones to deliver true full frequency, high fidelity performance Standard-setting design incorporates performance-enhancing technology Superior isolation, accurate sound reproduction and the excitement of a live performance with every recording Durable steel and generously padded rubber headband Adjustable slide bars ensure snug fit 8 foot coiled cord with 6.3 mm (1/4\") plug Covered under the Koss Stereophones Limited Lifetime Warranty","url":"/python/html6/menu_attr_pair/1000/91000000/91183000/menu_attr_pair_Feature_Noiseisolatingprofessionalstudioheadphones_1_e1089aec45.html"}],"name_url":"/python/html6/menu_attr_pair/1000/91000000/91183000/menu_attr_pair_Feature_Noiseisolatingprofessionalstudioheadphones_1_e1089aec45.html"},{"name":"Frequency_response","values":[{"value":"20000.0","url":"/python/html6/menu_attr_pair/1000/171000000/171327000/menu_attr_pair_Frequencyresponse_200000_1_3db909c6cc.html"}],"name_url":"/python/html6/menu_attr_pair/1000/171000000/171327000/menu_attr_pair_Frequencyresponse_200000_1_3db909c6cc.html"},{"name":"Headphones_form_factor","values":[{"value":"Over Ear","url":"/python/html6/menu_attr_pair/1000/142000000/142636000/menu_attr_pair_Headphonesformfactor_OverEar_1_3f5224e062.html"}],"name_url":"/python/html6/menu_attr_pair/1000/142000000/142636000/menu_attr_pair_Headphonesformfactor_OverEar_1_3f5224e062.html"},{"name":"Headphones_jack","values":[{"value":"6.35 mm Jack","url":"/python/html6/menu_attr_pair/1000/207000000/207770000/menu_attr_pair_Headphonesjack_635mmJack_1_41de966f66.html"}],"name_url":"/python/html6/menu_attr_pair/1000/207000000/207770000/menu_attr_pair_Headphonesjack_635mmJack_1_41de966f66.html"},{"name":"Height","values":[{"value":"10.4","url":"/python/html6/menu_attr_pair/1000/119000000/119579000/menu_attr_pair_Height_104_1_26d33d4387.html"},{"value":"2400","url":"/python/html6/menu_attr_pair/1000/148000000/148389000/menu_attr_pair_Height_2400_1_a63d34b6c6.html"},{"value":"27.305","url":"/python/html6/menu_attr_pair/1000/176000000/176866000/menu_attr_pair_Height_27305_1_6218b59b49.html"},{"value":"4.0944881848","url":"/python/html6/menu_attr_pair/1000/169000000/169368000/menu_attr_pair_Height_40944881848_1_1e32e85be8.html"},{"value":"4.1699999957466","url":"/python/html6/menu_attr_pair/1000/45000000/45029000/menu_attr_pair_Height_41699999957466_1_05e7a645d4.html"},{"value":"500","url":"/python/html6/menu_attr_pair/1000/82000000/82433000/menu_attr_pair_Height_500_1_e800e4b696.html"},{"value":"75","url":"/python/html6/menu_attr_pair/1000/263000000/263862000/menu_attr_pair_Height_75_1_a0092a3e31.html"}],"name_url":"/python/html6/menu_attr_pair/1000/119000000/119579000/menu_attr_pair_Height_104_1_26d33d4387.html"},{"name":"Identifier","values":[{"value":"00021299001615","url":"/python/html6/menu_attr_pair/1000/224000000/224469000/menu_attr_pair_Identifier_00021299001615_1_76f0ab26f5.html"},{"value":"00021299102725","url":"/python/html6/menu_attr_pair/1000/166000000/166379000/menu_attr_pair_Identifier_00021299102725_1_8f7652c995.html"},{"value":"0021299001615","url":"/python/html6/menu_attr_pair/1000/189000000/189671000/menu_attr_pair_Identifier_0021299001615_1_02c4089101.html"},{"value":"0021299102725","url":"/python/html6/menu_attr_pair/1000/33000000/33603000/menu_attr_pair_Identifier_0021299102725_1_4ece66a13d.html"},{"value":"0029521551587","url":"/python/html6/menu_attr_pair/1000/141000000/141424000/menu_attr_pair_Identifier_0029521551587_1_6b4907ecd7.html"},{"value":"021299001615","url":"/python/html6/menu_attr_pair/1000/63000000/63676000/menu_attr_pair_Identifier_021299001615_1_9811e2bcaa.html"},{"value":"021299102725","url":"/python/html6/menu_attr_pair/1000/213000000/213579000/menu_attr_pair_Identifier_021299102725_1_5e3536593e.html"},{"value":"0212991027359","url":"/python/html6/menu_attr_pair/1000/261000000/261071000/menu_attr_pair_Identifier_0212991027359_1_a1dfc52a3b.html"},{"value":"029521551587","url":"/python/html6/menu_attr_pair/1000/228000000/228526000/menu_attr_pair_Identifier_029521551587_1_1297991e19.html"},{"value":"0531479658886","url":"/python/html6/menu_attr_pair/1000/125000000/125725000/menu_attr_pair_Identifier_0531479658886_1_b450b89ce1.html"},{"value":"0887518419018","url":"/python/html6/menu_attr_pair/1000/202000000/202836000/menu_attr_pair_Identifier_0887518419018_1_26104e9fd6.html"},{"value":"0887518466432","url":"/python/html6/menu_attr_pair/1000/18000000/18253000/menu_attr_pair_Identifier_0887518466432_1_8144013750.html"},{"value":"212991027359","url":"/python/html6/menu_attr_pair/1000/49000000/49854000/menu_attr_pair_Identifier_212991027359_1_11d0c71658.html"},{"value":"531479658886","url":"/python/html6/menu_attr_pair/1000/75000000/75160000/menu_attr_pair_Identifier_531479658886_1_d54ba25d82.html"},{"value":"887518419018","url":"/python/html6/menu_attr_pair/1000/82000000/82462000/menu_attr_pair_Identifier_887518419018_1_fa23d879ad.html"},{"value":"887518466432","url":"/python/html6/menu_attr_pair/1000/123000000/123516000/menu_attr_pair_Identifier_887518466432_1_5c23e04958.html"}],"name_url":"/python/html6/menu_attr_pair/1000/224000000/224469000/menu_attr_pair_Identifier_00021299001615_1_76f0ab26f5.html"},{"name":"IdentifierType","values":[{"value":"EAN","url":"/python/html6/menu_attr_pair/1000/231000000/231760000/menu_attr_pair_IdentifierType_EAN_1_0a7a698752.html"},{"value":"GTIN","url":"/python/html6/menu_attr_pair/1000/162000000/162912000/menu_attr_pair_IdentifierType_GTIN_1_58d2c66b56.html"},{"value":"UPC","url":"/python/html6/menu_attr_pair/1000/65000000/65206000/menu_attr_pair_IdentifierType_UPC_1_477407fdb7.html"}],"name_url":"/python/html6/menu_attr_pair/1000/231000000/231760000/menu_attr_pair_IdentifierType_EAN_1_0a7a698752.html"},{"name":"Impedance","values":[{"value":"16.0","url":"/python/html6/menu_attr_pair/1000/10000000/10851000/menu_attr_pair_Impedance_160_1_5e78f12b8e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/10000000/10851000/menu_attr_pair_Impedance_160_1_5e78f12b8e.html"},{"name":"Included_components","values":[{"value":"Headphone, Adapter","url":"/python/html6/menu_attr_pair/1000/87000000/87423000/menu_attr_pair_Includedcomponents_HeadphoneAdapter_1_74ebe757c9.html"}],"name_url":"/python/html6/menu_attr_pair/1000/87000000/87423000/menu_attr_pair_Includedcomponents_HeadphoneAdapter_1_74ebe757c9.html"},{"name":"Includes_rechargable_battery","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/162000000/162794000/menu_attr_pair_Includesrechargablebattery_False_1_01eb7e1cda.html"}],"name_url":"/python/html6/menu_attr_pair/1000/162000000/162794000/menu_attr_pair_Includesrechargablebattery_False_1_01eb7e1cda.html"},{"name":"Is_autographed","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/96000000/96197000/menu_attr_pair_Isautographed_False_1_3a193ab314.html"}],"name_url":"/python/html6/menu_attr_pair/1000/96000000/96197000/menu_attr_pair_Isautographed_False_1_3a193ab314.html"},{"name":"ItemClassification","values":[{"value":"BASE_PRODUCT","url":"/python/html6/menu_attr_pair/1000/174000000/174108000/menu_attr_pair_ItemClassification_BASEPRODUCT_1_21c06575b2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/174000000/174108000/menu_attr_pair_ItemClassification_BASEPRODUCT_1_21c06575b2.html"},{"name":"ItemName","values":[{"value":"Koss Pro4AA Studio Quality Over-Ear Headphones, Retro Style, Full-Size, Beige","url":"/python/html6/menu_attr_pair/1000/32000000/32812000/menu_attr_pair_ItemName_KossPro4AAStudioQualityOverEarHeadphonesRe_1_a45884469e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/32000000/32812000/menu_attr_pair_ItemName_KossPro4AAStudioQualityOverEarHeadphonesRe_1_a45884469e.html"},{"name":"Item_name","values":[{"value":"Koss Pro4AA Studio Quality Over-Ear Headphones, Retro Style, Full-Size, Beige","url":"/python/html6/menu_attr_pair/1000/217000000/217070000/menu_attr_pair_Itemname_KossPro4AAStudioQualityOverEarHeadphonesRe_1_75511a861f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/217000000/217070000/menu_attr_pair_Itemname_KossPro4AAStudioQualityOverEarHeadphonesRe_1_75511a861f.html"},{"name":"Item_package_quantity","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/127000000/127549000/menu_attr_pair_Itempackagequantity_1_1_10213d6c40.html"}],"name_url":"/python/html6/menu_attr_pair/1000/127000000/127549000/menu_attr_pair_Itempackagequantity_1_1_10213d6c40.html"},{"name":"Item_package_weight","values":[{"value":"0.839","url":"/python/html6/menu_attr_pair/1000/26000000/26967000/menu_attr_pair_Itempackageweight_0839_1_4564a77592.html"}],"name_url":"/python/html6/menu_attr_pair/1000/26000000/26967000/menu_attr_pair_Itempackageweight_0839_1_4564a77592.html"},{"name":"Item_type_keyword","values":[{"value":"over-the-ear-headphones","url":"/python/html6/menu_attr_pair/1000/60000000/60582000/menu_attr_pair_Itemtypekeyword_overtheearheadphones_1_fd9075078e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/60000000/60582000/menu_attr_pair_Itemtypekeyword_overtheearheadphones_1_fd9075078e.html"},{"name":"Item_weight","values":[{"value":"1.85","url":"/python/html6/menu_attr_pair/1000/117000000/117784000/menu_attr_pair_Itemweight_185_1_79b236e5f4.html"}],"name_url":"/python/html6/menu_attr_pair/1000/117000000/117784000/menu_attr_pair_Itemweight_185_1_79b236e5f4.html"},{"name":"Keyword","values":[{"value":"QZ99","url":"/python/html6/menu_attr_pair/1000/98000000/98213000/menu_attr_pair_Keyword_QZ99_1_83ceac29f0.html"}],"name_url":"/python/html6/menu_attr_pair/1000/98000000/98213000/menu_attr_pair_Keyword_QZ99_1_83ceac29f0.html"},{"name":"Length","values":[{"value":"10.5918","url":"/python/html6/menu_attr_pair/1000/154000000/154336000/menu_attr_pair_Length_105918_1_260e97f85e.html"},{"value":"10.749999989035","url":"/python/html6/menu_attr_pair/1000/141000000/141663000/menu_attr_pair_Length_10749999989035_1_4815885256.html"},{"value":"24.0","url":"/python/html6/menu_attr_pair/1000/4000000/4766000/menu_attr_pair_Length_240_1_c2814c9d7d.html"},{"value":"9.448818888","url":"/python/html6/menu_attr_pair/1000/156000000/156149000/menu_attr_pair_Length_9448818888_1_424a92f179.html"}],"name_url":"/python/html6/menu_attr_pair/1000/154000000/154336000/menu_attr_pair_Length_105918_1_260e97f85e.html"},{"name":"Link","values":[{"value":"https://m.media-amazon.com/images/I/41UzyyEw8qL._SL75_.jpg","url":"/python/html6/menu_attr_pair/1000/161000000/161149000/menu_attr_pair_Link_httpsmmediaamazoncomimagesI41UzyyEw8qLSL75_1_5fe2df2778.html"},{"value":"https://m.media-amazon.com/images/I/41UzyyEw8qL.jpg","url":"/python/html6/menu_attr_pair/1000/93000000/93831000/menu_attr_pair_Link_httpsmmediaamazoncomimagesI41UzyyEw8qLjpg_1_119c62740a.html"},{"value":"https://m.media-amazon.com/images/I/71aNz3BlEGL.jpg","url":"/python/html6/menu_attr_pair/1000/116000000/116539000/menu_attr_pair_Link_httpsmmediaamazoncomimagesI71aNz3BlEGLjpg_1_1eeeb9e0f8.html"},{"value":"https://www.amazon.com/gp/bestsellers/electronics","url":"/python/html6/menu_attr_pair/1000/5000000/5668000/menu_attr_pair_Link_httpswwwamazoncomgpbestsellerselectronics_1_d7bcb4c5e6.html"},{"value":"https://www.amazon.com/gp/bestsellers/electronics/12097479011","url":"/python/html6/menu_attr_pair/1000/186000000/186237000/menu_attr_pair_Link_httpswwwamazoncomgpbestsellerselectronics1_1_dc8b333aac.html"}],"name_url":"/python/html6/menu_attr_pair/1000/161000000/161149000/menu_attr_pair_Link_httpsmmediaamazoncomimagesI41UzyyEw8qLSL75_1_5fe2df2778.html"},{"name":"List_price","values":[{"value":"99.99","url":"/python/html6/menu_attr_pair/1000/134000000/134436000/menu_attr_pair_Listprice_9999_1_d9199be4cf.html"}],"name_url":"/python/html6/menu_attr_pair/1000/134000000/134436000/menu_attr_pair_Listprice_9999_1_d9199be4cf.html"},{"name":"Memorabilia","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/184000000/184136000/menu_attr_pair_Memorabilia_False_1_903cccc9ba.html"}],"name_url":"/python/html6/menu_attr_pair/1000/184000000/184136000/menu_attr_pair_Memorabilia_False_1_903cccc9ba.html"},{"name":"ModelNumber","values":[{"value":"Pro4AA","url":"/python/html6/menu_attr_pair/1000/20000000/20565000/menu_attr_pair_ModelNumber_Pro4AA_1_50f67697b1.html"}],"name_url":"/python/html6/menu_attr_pair/1000/20000000/20565000/menu_attr_pair_ModelNumber_Pro4AA_1_50f67697b1.html"},{"name":"Model_name","values":[{"value":"Pro4AA","url":"/python/html6/menu_attr_pair/1000/8000000/8039000/menu_attr_pair_Modelname_Pro4AA_1_366b432f73.html"}],"name_url":"/python/html6/menu_attr_pair/1000/8000000/8039000/menu_attr_pair_Modelname_Pro4AA_1_366b432f73.html"},{"name":"Model_number","values":[{"value":"Pro4AA","url":"/python/html6/menu_attr_pair/1000/13000000/13932000/menu_attr_pair_Modelnumber_Pro4AA_1_962efbe7ed.html"}],"name_url":"/python/html6/menu_attr_pair/1000/13000000/13932000/menu_attr_pair_Modelnumber_Pro4AA_1_962efbe7ed.html"},{"name":"Mpns","values":[{"value":"PRO/4AA","url":"/python/html6/menu_attr_pair/1000/117000000/117817000/menu_attr_pair_Mpns_PRO4AA_1_b5400281e1.html"},{"value":"PRO4AA","url":"/python/html6/menu_attr_pair/1000/14000000/14447000/menu_attr_pair_Mpns_PRO4AA_1_18caf1a723.html"}],"name_url":"/python/html6/menu_attr_pair/1000/117000000/117817000/menu_attr_pair_Mpns_PRO4AA_1_b5400281e1.html"},{"name":"Name","values":[{"value":"COLOR","url":"/python/html6/menu_attr_pair/1000/257000000/257653000/menu_attr_pair_Name_COLOR_1_628dae2b54.html"}],"name_url":"/python/html6/menu_attr_pair/1000/257000000/257653000/menu_attr_pair_Name_COLOR_1_628dae2b54.html"},{"name":"Noise_control","values":[{"value":"sound_isolation","url":"/python/html6/menu_attr_pair/1000/194000000/194188000/menu_attr_pair_Noisecontrol_soundisolation_1_1c8f589e55.html"}],"name_url":"/python/html6/menu_attr_pair/1000/194000000/194188000/menu_attr_pair_Noisecontrol_soundisolation_1_1c8f589e55.html"},{"name":"Number_of_items","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/257000000/257380000/menu_attr_pair_Numberofitems_1_1_59f97e6de0.html"}],"name_url":"/python/html6/menu_attr_pair/1000/257000000/257380000/menu_attr_pair_Numberofitems_1_1_59f97e6de0.html"},{"name":"PackageQuantity","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/23000000/23398000/menu_attr_pair_PackageQuantity_1_1_27a474ef3f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/23000000/23398000/menu_attr_pair_PackageQuantity_1_1_27a474ef3f.html"},{"name":"Package_level","values":[{"value":"unit","url":"/python/html6/menu_attr_pair/1000/218000000/218180000/menu_attr_pair_Packagelevel_unit_1_1141bdce67.html"}],"name_url":"/python/html6/menu_attr_pair/1000/218000000/218180000/menu_attr_pair_Packagelevel_unit_1_1141bdce67.html"},{"name":"ParentAsins","values":[{"value":"B00WUEUJ5U","url":"/python/html6/menu_attr_pair/1000/47000000/47850000/menu_attr_pair_ParentAsins_B00WUEUJ5U_1_c3d1ba1067.html"}],"name_url":"/python/html6/menu_attr_pair/1000/47000000/47850000/menu_attr_pair_ParentAsins_B00WUEUJ5U_1_c3d1ba1067.html"},{"name":"PartNumber","values":[{"value":"PRO/4AA","url":"/python/html6/menu_attr_pair/1000/128000000/128466000/menu_attr_pair_PartNumber_PRO4AA_1_14d143e1ae.html"}],"name_url":"/python/html6/menu_attr_pair/1000/128000000/128466000/menu_attr_pair_PartNumber_PRO4AA_1_14d143e1ae.html"},{"name":"Part_number","values":[{"value":"PRO/4AA","url":"/python/html6/menu_attr_pair/1000/191000000/191735000/menu_attr_pair_Partnumber_PRO4AA_1_f5e644bad3.html"}],"name_url":"/python/html6/menu_attr_pair/1000/191000000/191735000/menu_attr_pair_Partnumber_PRO4AA_1_f5e644bad3.html"},{"name":"ProductType","values":[{"value":"HEADPHONES","url":"/python/html6/menu_attr_pair/1000/91000000/91392000/menu_attr_pair_ProductType_HEADPHONES_1_864abc63ee.html"}],"name_url":"/python/html6/menu_attr_pair/1000/91000000/91392000/menu_attr_pair_ProductType_HEADPHONES_1_864abc63ee.html"},{"name":"Product_site_launch_date","values":[{"value":"2003-05-14T00:00:01-00:00","url":"/python/html6/menu_attr_pair/1000/185000000/185122000/menu_attr_pair_Productsitelaunchdate_20030514T0000010000_1_f52de41877.html"}],"name_url":"/python/html6/menu_attr_pair/1000/185000000/185122000/menu_attr_pair_Productsitelaunchdate_20030514T0000010000_1_f52de41877.html"},{"name":"Rank","values":[{"value":"19333","url":"/python/html6/menu_attr_pair/1000/45000000/45145000/menu_attr_pair_Rank_19333_1_de39850c49.html"},{"value":"809","url":"/python/html6/menu_attr_pair/1000/104000000/104206000/menu_attr_pair_Rank_809_1_52f8173196.html"}],"name_url":"/python/html6/menu_attr_pair/1000/45000000/45145000/menu_attr_pair_Rank_19333_1_de39850c49.html"},{"name":"ReleaseDate","values":[{"value":"2020-10-01","url":"/python/html6/menu_attr_pair/1000/239000000/239954000/menu_attr_pair_ReleaseDate_20201001_1_cb6f65574a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/239000000/239954000/menu_attr_pair_ReleaseDate_20201001_1_cb6f65574a.html"},{"name":"Role","values":[{"value":"artist","url":"/python/html6/menu_attr_pair/1000/202000000/202831000/menu_attr_pair_Role_artist_1_9c50bd8e1f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/202000000/202831000/menu_attr_pair_Role_artist_1_9c50bd8e1f.html"},{"name":"Size","values":[{"value":"Large","url":"/python/html6/menu_attr_pair/1000/136000000/136314000/menu_attr_pair_Size_Large_1_14e29eb6ff.html"}],"name_url":"/python/html6/menu_attr_pair/1000/136000000/136314000/menu_attr_pair_Size_Large_1_14e29eb6ff.html"},{"name":"Special_feature","values":[{"value":"Dj-Style","url":"/python/html6/menu_attr_pair/1000/208000000/208899000/menu_attr_pair_Specialfeature_DjStyle_1_3d214a8bdc.html"}],"name_url":"/python/html6/menu_attr_pair/1000/208000000/208899000/menu_attr_pair_Specialfeature_DjStyle_1_3d214a8bdc.html"},{"name":"Specific_uses_for_product","values":[{"value":"Home","url":"/python/html6/menu_attr_pair/1000/237000000/237877000/menu_attr_pair_Specificusesforproduct_Home_1_1a14ab5dd2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/237000000/237877000/menu_attr_pair_Specificusesforproduct_Home_1_1a14ab5dd2.html"},{"name":"Street_date","values":[{"value":"2020-10-01T00:00:01Z","url":"/python/html6/menu_attr_pair/1000/264000000/264353000/menu_attr_pair_Streetdate_20201001T000001Z_1_da31511785.html"}],"name_url":"/python/html6/menu_attr_pair/1000/264000000/264353000/menu_attr_pair_Streetdate_20201001T000001Z_1_da31511785.html"},{"name":"StrippedMpns","values":[{"value":"PRO4AA","url":"/python/html6/menu_attr_pair/1000/210000000/210829000/menu_attr_pair_StrippedMpns_PRO4AA_1_1b51e455b3.html"}],"name_url":"/python/html6/menu_attr_pair/1000/210000000/210829000/menu_attr_pair_StrippedMpns_PRO4AA_1_1b51e455b3.html"},{"name":"Supplier_declared_dg_hz_regulation","values":[{"value":"not_applicable","url":"/python/html6/menu_attr_pair/1000/247000000/247871000/menu_attr_pair_Supplierdeclareddghzregulation_notapplicable_1_609c6bdbe6.html"}],"name_url":"/python/html6/menu_attr_pair/1000/247000000/247871000/menu_attr_pair_Supplierdeclareddghzregulation_notapplicable_1_609c6bdbe6.html"},{"name":"Target_region","values":[{"value":"North America","url":"/python/html6/menu_attr_pair/1000/176000000/176508000/menu_attr_pair_Targetregion_NorthAmerica_1_3554d0ab08.html"}],"name_url":"/python/html6/menu_attr_pair/1000/176000000/176508000/menu_attr_pair_Targetregion_NorthAmerica_1_3554d0ab08.html"},{"name":"Theme","values":[{"value":"COLOR","url":"/python/html6/menu_attr_pair/1000/260000000/260187000/menu_attr_pair_Theme_COLOR_1_9b0ddce8a1.html"}],"name_url":"/python/html6/menu_attr_pair/1000/260000000/260187000/menu_attr_pair_Theme_COLOR_1_9b0ddce8a1.html"},{"name":"Title","values":[{"value":"Electronics","url":"/python/html6/menu_attr_pair/1000/215000000/215483000/menu_attr_pair_Title_Electronics_1_a218ae5034.html"},{"value":"Over-Ear Headphones","url":"/python/html6/menu_attr_pair/1000/230000000/230424000/menu_attr_pair_Title_OverEarHeadphones_1_539d35e547.html"}],"name_url":"/python/html6/menu_attr_pair/1000/215000000/215483000/menu_attr_pair_Title_Electronics_1_a218ae5034.html"},{"name":"TradeInEligible","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/5000000/5271000/menu_attr_pair_TradeInEligible_False_1_25846a63db.html"}],"name_url":"/python/html6/menu_attr_pair/1000/5000000/5271000/menu_attr_pair_TradeInEligible_False_1_25846a63db.html"},{"name":"Type","values":[{"value":"Count","url":"/python/html6/menu_attr_pair/1000/203000000/203874000/menu_attr_pair_Type_Count_1_be1384a0c8.html"},{"value":"VARIATION","url":"/python/html6/menu_attr_pair/1000/64000000/64389000/menu_attr_pair_Type_VARIATION_1_ff6e0e4b42.html"},{"value":"ean","url":"/python/html6/menu_attr_pair/1000/253000000/253381000/menu_attr_pair_Type_ean_1_ca8a058b84.html"},{"value":"gtin","url":"/python/html6/menu_attr_pair/1000/12000000/12087000/menu_attr_pair_Type_gtin_1_e3e6b6beba.html"},{"value":"upc","url":"/python/html6/menu_attr_pair/1000/25000000/25819000/menu_attr_pair_Type_upc_1_b8e0fca956.html"}],"name_url":"/python/html6/menu_attr_pair/1000/203000000/203874000/menu_attr_pair_Type_Count_1_be1384a0c8.html"},{"name":"Unit","values":[{"value":"centimeters","url":"/python/html6/menu_attr_pair/1000/84000000/84268000/menu_attr_pair_Unit_centimeters_1_db2ee25dda.html"},{"value":"hertz","url":"/python/html6/menu_attr_pair/1000/248000000/248347000/menu_attr_pair_Unit_hertz_1_56036fa54b.html"},{"value":"inches","url":"/python/html6/menu_attr_pair/1000/45000000/45712000/menu_attr_pair_Unit_inches_1_c49b8ab96a.html"},{"value":"kilograms","url":"/python/html6/menu_attr_pair/1000/260000000/260741000/menu_attr_pair_Unit_kilograms_1_58228a8d5f.html"},{"value":"meters","url":"/python/html6/menu_attr_pair/1000/134000000/134286000/menu_attr_pair_Unit_meters_1_fa7e25c9f8.html"},{"value":"ohm","url":"/python/html6/menu_attr_pair/1000/42000000/42061000/menu_attr_pair_Unit_ohm_1_300af5c834.html"},{"value":"pounds","url":"/python/html6/menu_attr_pair/1000/148000000/148518000/menu_attr_pair_Unit_pounds_1_62a7fa2d77.html"}],"name_url":"/python/html6/menu_attr_pair/1000/84000000/84268000/menu_attr_pair_Unit_centimeters_1_db2ee25dda.html"},{"name":"Unit_count","values":[{"value":"1.0","url":"/python/html6/menu_attr_pair/1000/223000000/223238000/menu_attr_pair_Unitcount_10_1_a7b7d7c89b.html"}],"name_url":"/python/html6/menu_attr_pair/1000/223000000/223238000/menu_attr_pair_Unitcount_10_1_a7b7d7c89b.html"},{"name":"Variant","values":[{"value":"MAIN","url":"/python/html6/menu_attr_pair/1000/40000000/40436000/menu_attr_pair_Variant_MAIN_1_b26e0d62c8.html"}],"name_url":"/python/html6/menu_attr_pair/1000/40000000/40436000/menu_attr_pair_Variant_MAIN_1_b26e0d62c8.html"},{"name":"VariationTheme","values":[{"value":"color","url":"/python/html6/menu_attr_pair/1000/250000000/250101000/menu_attr_pair_VariationTheme_color_1_59026ba6ff.html"}],"name_url":"/python/html6/menu_attr_pair/1000/250000000/250101000/menu_attr_pair_VariationTheme_color_1_59026ba6ff.html"},{"name":"Version_for_country","values":[{"value":"US","url":"/python/html6/menu_attr_pair/1000/177000000/177523000/menu_attr_pair_Versionforcountry_US_1_3a547b3d47.html"}],"name_url":"/python/html6/menu_attr_pair/1000/177000000/177523000/menu_attr_pair_Versionforcountry_US_1_3a547b3d47.html"},{"name":"Warranty_description","values":[{"value":"Limited Lifetime Warranty","url":"/python/html6/menu_attr_pair/1000/132000000/132300000/menu_attr_pair_Warrantydescription_LimitedLifetimeWarranty_1_94303a9828.html"}],"name_url":"/python/html6/menu_attr_pair/1000/132000000/132300000/menu_attr_pair_Warrantydescription_LimitedLifetimeWarranty_1_94303a9828.html"},{"name":"WebsiteDisplayGroup","values":[{"value":"ce_display_on_website","url":"/python/html6/menu_attr_pair/1000/32000000/32080000/menu_attr_pair_WebsiteDisplayGroup_cedisplayonwebsite_1_9717ebe8c3.html"},{"value":"speakers_display_on_website","url":"/python/html6/menu_attr_pair/1000/67000000/67800000/menu_attr_pair_WebsiteDisplayGroup_speakersdisplayonwebsite_1_c136bc4542.html"}],"name_url":"/python/html6/menu_attr_pair/1000/32000000/32080000/menu_attr_pair_WebsiteDisplayGroup_cedisplayonwebsite_1_9717ebe8c3.html"},{"name":"WebsiteDisplayGroupName","values":[{"value":"Speakers","url":"/python/html6/menu_attr_pair/1000/12000000/12673000/menu_attr_pair_WebsiteDisplayGroupName_Speakers_1_b1ad775e05.html"}],"name_url":"/python/html6/menu_attr_pair/1000/12000000/12673000/menu_attr_pair_WebsiteDisplayGroupName_Speakers_1_b1ad775e05.html"},{"name":"Weight","values":[{"value":"1.84967837818","url":"/python/html6/menu_attr_pair/1000/154000000/154797000/menu_attr_pair_Weight_184967837818_1_30fc7b0e60.html"},{"value":"1.85","url":"/python/html6/menu_attr_pair/1000/126000000/126713000/menu_attr_pair_Weight_185_1_5ba1914bda.html"}],"name_url":"/python/html6/menu_attr_pair/1000/154000000/154797000/menu_attr_pair_Weight_184967837818_1_30fc7b0e60.html"},{"name":"Width","values":[{"value":"24.0","url":"/python/html6/menu_attr_pair/1000/124000000/124642000/menu_attr_pair_Width_240_1_f05bd1582e.html"},{"value":"24.3078","url":"/python/html6/menu_attr_pair/1000/261000000/261293000/menu_attr_pair_Width_243078_1_3832752f2c.html"},{"value":"2400","url":"/python/html6/menu_attr_pair/1000/47000000/47779000/menu_attr_pair_Width_2400_1_4010cdefcf.html"},{"value":"500","url":"/python/html6/menu_attr_pair/1000/61000000/61456000/menu_attr_pair_Width_500_1_2675d694cc.html"},{"value":"75","url":"/python/html6/menu_attr_pair/1000/211000000/211376000/menu_attr_pair_Width_75_1_1e3c47751f.html"},{"value":"9.448818888","url":"/python/html6/menu_attr_pair/1000/22000000/22506000/menu_attr_pair_Width_9448818888_1_ad03fb2484.html"},{"value":"9.5699999902386","url":"/python/html6/menu_attr_pair/1000/221000000/221054000/menu_attr_pair_Width_95699999902386_1_859d351db2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/124000000/124642000/menu_attr_pair_Width_240_1_f05bd1582e.html"}],"images":[],"distributors":[{"name":"Office Specialties","sku":"PRO4AA","url":"https://www.officespecialties.com/koss_pro4aa_stereophone_400879_prd1.htm","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1}],"amazon":{"available":true,"products":[{"asin":"B00004Z7G9","title":"Koss Pro4AA Studio Quality Over-Ear Headphones, Retro Style, Full-Size, Beige","brand":"Koss","image":"","url":"https://www.amazon.com/dp/B00004Z7G9?tag=atariguidz09-20","features":["Connectivity Technology: Wired","Frequency Response - 10-20,000 Hz and Impedance - 16 ohms"]}]},"metadata":{"generated_date":"2026-09-16","last_updated":"2026-09-16","data_sources":["Office Specialties","Amazon"],"completeness":0.9,"version":"1.2"}}},"pagination":null,"nav":{"home":"/python/html6/index.html","brands":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html","parts":"/python/html6/menu_part_index/menu_part_index_parts_909e6bf0ca.html","attributes":"/python/html6/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html"}}