{"v":"2.0","page_type":"product","title":"Rockville dB45 3200 Watt Peak Class AB 2 Ohm Car Stereo Amplifier With Optical Coupler Technology CEA Compliant Power Ratings (Rated at less than 1 % distortion) (Use these CEA ratings when matching and comparing with other CEA compliant brands such as Kicker, Rockford Fosgate, etc) 2 Ohm: 200 Watts x 4 Channel <1% THD+N 4 Ohm:135 Watts x 4 Channel <1% THD+N 4 Ohm Bridged: 400Watts x 2 Channel<1% THD+N RMS Power Ratings: (Use these RMS ratings when comparing with great brands such as Hifonics, Earthquake, Soundstream, etc) 2 Ohm: 400 Watts x 4 Channel 4 Ohm: 270 Watts x 4 Channel 4 Ohm Bridged: 800 Watts x 2 Channel Peak: (The amount of power the amplifier can produce for a split second at the loudest part of a song 2 Ohm: 800 Watts x 4 Channel 4 Ohm:540 Watts x 4 Channel 4 Ohm Bridged: 1600 Watts x 2 Channel High-Speed MOSFET Power Supply Under Voltage Protection at 10V Over Voltage Protection at 16V Tertiary Supplies Circuitry Optical Coupler Class AB Technology Studio-Grade Bipolar Output Stage Transistors Fully Adjustable 12dB / Octave Crossover with Differential Circuitry Low Pass Filter: 50Hz - 250Hz High Pass Filter: 60Hz - 1.2KHz Full IC-Controlled Protection Circuitry Fully Adjustable 12dB Bass Equalizer Mute and Delay Soft Start System 8 Volt Preamp Circuitry Status Mode LED Indicator Minimum THD at Rated Power: < 0.05% S / N Ratio: >90dB Frequency Response: 10Hz - 50KHz Damping Factor: >150 @ 100Hz 35 Amp*3 ATC Fuse Dimensions: (W x H x L) 9 x 2.4 x 21.0","breadcrumbs":[{"label":"Home","href":"/python/html6/index.html"},{"label":"Brands","href":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html"},{"label":"ROCKVILLE","href":"/python/html6/menu_brand_products/1000/126000/menu_brand_products_ROCKVILLE_1_0cdbc20411.html"},{"label":"db45","href":null}],"content":{"product":{"mpn":"db45","manufacturer":"ROCKVILLE","brand":"ROCKVILLE","brand_url":"/python/html6/menu_brand_products/1000/126000/menu_brand_products_ROCKVILLE_1_0cdbc20411.html","title":"Rockville dB45 3200 Watt Peak Class AB 2 Ohm Car Stereo Amplifier With Optical Coupler Technology CEA Compliant Power Ratings (Rated at less than 1 % distortion) (Use these CEA ratings when matching and comparing with other CEA compliant brands such as Kicker, Rockford Fosgate, etc) 2 Ohm: 200 Watts x 4 Channel <1% THD+N 4 Ohm:135 Watts x 4 Channel <1% THD+N 4 Ohm Bridged: 400Watts x 2 Channel<1% THD+N RMS Power Ratings: (Use these RMS ratings when comparing with great brands such as Hifonics, Earthquake, Soundstream, etc) 2 Ohm: 400 Watts x 4 Channel 4 Ohm: 270 Watts x 4 Channel 4 Ohm Bridged: 800 Watts x 2 Channel Peak: (The amount of power the amplifier can produce for a split second at the loudest part of a song 2 Ohm: 800 Watts x 4 Channel 4 Ohm:540 Watts x 4 Channel 4 Ohm Bridged: 1600 Watts x 2 Channel High-Speed MOSFET Power Supply Under Voltage Protection at 10V Over Voltage Protection at 16V Tertiary Supplies Circuitry Optical Coupler Class AB Technology Studio-Grade Bipolar Output Stage Transistors Fully Adjustable 12dB / Octave Crossover with Differential Circuitry Low Pass Filter: 50Hz - 250Hz High Pass Filter: 60Hz - 1.2KHz Full IC-Controlled Protection Circuitry Fully Adjustable 12dB Bass Equalizer Mute and Delay Soft Start System 8 Volt Preamp Circuitry Status Mode LED Indicator Minimum THD at Rated Power: < 0.05% S / N Ratio: >90dB Frequency Response: 10Hz - 50KHz Damping Factor: >150 @ 100Hz 35 Amp*3 ATC Fuse Dimensions: (W x H x L) 9 x 2.4 x 21.0","description":"","attributes":[{"name":"Brand name","values":[{"value":"ROCKVILLE","url":"/python/html6/menu_attr_pair/1000/223000000/223539000/menu_attr_pair_Brandname_ROCKVILLE_1_9dc4a0bf03.html"}],"name_url":"/python/html6/menu_attr_pair/1000/223000000/223539000/menu_attr_pair_Brandname_ROCKVILLE_1_9dc4a0bf03.html"},{"name":"Manufacturer name","values":[{"value":"ROCKVILLE","url":"/python/html6/menu_attr_pair/1000/233000000/233460000/menu_attr_pair_Manufacturername_ROCKVILLE_1_4bdfa44bbc.html"}],"name_url":"/python/html6/menu_attr_pair/1000/233000000/233460000/menu_attr_pair_Manufacturername_ROCKVILLE_1_4bdfa44bbc.html"},{"name":"Manufacturer","values":[{"value":"ROCKVILLE","url":"/python/html6/menu_attr_pair/1000/99000000/99012000/menu_attr_pair_Manufacturer_ROCKVILLE_1_e2477bd522.html"}],"name_url":"/python/html6/menu_attr_pair/1000/99000000/99012000/menu_attr_pair_Manufacturer_ROCKVILLE_1_e2477bd522.html"}],"images":[],"distributors":[{"name":"Walmart","sku":"897555798","url":"https://www.walmart.com/ip/Rockville-dB45-3200-Watt-1600w-RMS-4-Channel-Amplifier-Car-Stereo-Amp-Loud/897555798","pricing":[{"quantity":1,"price_usd":119.95}],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://i5.walmartimages.com/asr/d005654f-3776-4978-a0da-c7b0c39f5192_1.a470bfeae6c46ac53f02f8cc8986c18a.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"}],"amazon":{"available":false,"products":[]},"metadata":{"generated_date":"2026-09-17","last_updated":"2026-09-17","data_sources":["Walmart"],"completeness":0.55,"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"}}