Car Amplifiers 4 Channel 5 Channel Mono - 1 Channel Replacement Parts Filter Sort Filters In Stock 200-500 Remove All Filters Availability In Stock Price $100-$500 (8) Brand Harmony Audio (5) Alpine (2) Kicker (1) RMS Power 200-500 (8) 500-1000 (13) 1000-2000 (5) Peak Power 500-1000 (6) 1000-2000 (2) Size 8" (3) Amplifier Class Class D (2) Stable to (Ohm) 1 Ohm (1) 4 Ohm (1) Mounting Depth 3.5-4.49" (3) Channels 1 (1) 4 (1) Sort SKU: A-Z SKU: Z-A Price: Low to High Price: High to Low Least Popular Most Popular Sort by: SKU Sale Price Popularity Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono 800 Watt Subwoofer... $104.95 (6) Harmony Audio HA-A400.4 Car Stereo Alloy Amp 4 Channel 800W Full Range... $109.95 Harmony Audio HA-A400.4 Car Stereo Alloy Amp 4 Channel Fulll Range Speaker or... $144.99 Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono Subwoofer Amplifier... $139.99 Alpine R2-W8D2 Next Gen 8" Sub R-Series Dual 2-Ohm 350 RMS Includes HA-A400.1... $249.95 Alpine R2-W8D4 Next Gen 8" Sub R-Series Dual 4-Ohm 350 RMS Includes HA-A400.1... $249.95 (2) Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono 800 Watt Subwoofer... $209.99 Kicker 44L7S82 Car Audio Solo-Baric 8" Subwoofer Square L7 Dual 2 Ohm... $199.99