{"v":"2.0","page_type":"product","title":"Class D Power Amplifier Part Number: ME-400D The ME-400D Class D Power Amplifier provides 500 watts (125W x 4 CH) of crisp, clean audio power. This amplifier can be easily configured to enhance your listening pleasure. Gold plated connections resist corrosion. Efficient heat sink design ensures uninterrupted operation. The ME-400D will be an outstanding addition to your vessel's audio system. Features 4 Channel Class D Power Amp 2 ohm stable stereo outputs Bridgeable outputs Variable input level controls for each pair of channels Variable High-pass, Low-pass and All-pass crossover Variable Bass Boost circuit Thermal and overload protection circuitry Gold-plated RCA jacks and terminals Specifications Power Supply Voltage: 11-16 VDC Idling Current: 0.8A Idling Current when off: <0.001mA Output Power (RMS)@14.4V/4ohms: 125W x 4CH Output Power (RMS)@14.4V/2ohms: 200W x 4CH Output Power (max)@14.4V/4ohms: 250W x 4CH Output Power (max)@14.4V/2ohms: 400W x 4CH Fuse Rating: 25A x 3 Dims (LxWxH) inches: 10-7/8\" x 6-3/4\" x 1-7/8\" (275mm x 170mm x 46mm)","breadcrumbs":[{"label":"Home","href":"/python/html6/index.html"},{"label":"Brands","href":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html"},{"label":"Poly-Planar","href":"/python/html6/menu_brand_products/1000/113000/menu_brand_products_PolyPlanar_1_e79ad2b9a6.html"},{"label":"me400d","href":null}],"content":{"product":{"mpn":"me400d","manufacturer":"Poly-Planar","brand":"Poly-Planar","brand_url":"/python/html6/menu_brand_products/1000/113000/menu_brand_products_PolyPlanar_1_e79ad2b9a6.html","title":"Class D Power Amplifier Part Number: ME-400D The ME-400D Class D Power Amplifier provides 500 watts (125W x 4 CH) of crisp, clean audio power. This amplifier can be easily configured to enhance your listening pleasure. Gold plated connections resist corrosion. Efficient heat sink design ensures uninterrupted operation. The ME-400D will be an outstanding addition to your vessel's audio system. Features 4 Channel Class D Power Amp 2 ohm stable stereo outputs Bridgeable outputs Variable input level controls for each pair of channels Variable High-pass, Low-pass and All-pass crossover Variable Bass Boost circuit Thermal and overload protection circuitry Gold-plated RCA jacks and terminals Specifications Power Supply Voltage: 11-16 VDC Idling Current: 0.8A Idling Current when off: <0.001mA Output Power (RMS)@14.4V/4ohms: 125W x 4CH Output Power (RMS)@14.4V/2ohms: 200W x 4CH Output Power (max)@14.4V/4ohms: 250W x 4CH Output Power (max)@14.4V/2ohms: 400W x 4CH Fuse Rating: 25A x 3 Dims (LxWxH) inches: 10-7/8\" x 6-3/4\" x 1-7/8\" (275mm x 170mm x 46mm)","description":"","attributes":[{"name":"Brand name","values":[{"value":"Poly-Planar","url":"/python/html6/menu_attr_pair/1000/260000000/260435000/menu_attr_pair_Brandname_PolyPlanar_1_a39a50abdd.html"}],"name_url":"/python/html6/menu_attr_pair/1000/260000000/260435000/menu_attr_pair_Brandname_PolyPlanar_1_a39a50abdd.html"},{"name":"Manufacturer name","values":[{"value":"Poly-Planar","url":"/python/html6/menu_attr_pair/1000/119000000/119656000/menu_attr_pair_Manufacturername_PolyPlanar_1_56e013f65f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/119000000/119656000/menu_attr_pair_Manufacturername_PolyPlanar_1_56e013f65f.html"},{"name":"Manufacturer","values":[{"value":"Poly-Planar","url":"/python/html6/menu_attr_pair/1000/127000000/127644000/menu_attr_pair_Manufacturer_PolyPlanar_1_f72b52beac.html"}],"name_url":"/python/html6/menu_attr_pair/1000/127000000/127644000/menu_attr_pair_Manufacturer_PolyPlanar_1_f72b52beac.html"}],"images":[],"distributors":[{"name":"Walmart","sku":"39863462","url":"https://www.walmart.com/ip/POLY-PLANAR-ME400D-AMPLIFIER-400-WATT-4-CHANNEL/39863462","pricing":[{"quantity":1,"price_usd":259.07}],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://i5.walmartimages.com/asr/ac4559bc-e04b-4b78-ac6b-9e7e38ac59c8_1.207d81bfd25eb556d836fefa86d5ddb6.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"}],"amazon":{"available":false,"products":[]},"metadata":{"generated_date":"2026-09-16","last_updated":"2026-09-16","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"}}