Amazon.com: Massive Audio Blade BP500.2 Car Stereo Amplifier. 2 Channel Amplifier 500 Watts, Class A/B, 2 Ohm Stable, with Bass Boost. Powerful Two Channel Full Range Amplifier for Cars : Electronics
Amazon.com: Stetsom IR 400.4 2 Ohms Compact Digital 4 Channels Amplifier, IRON LINE, 400 Watts RMS 400x4, 2Ω Stable, Multichannel Digital Car Audio Amp TS, Full-Range Sound Quality, Crossover : Electronics
Amazon.com: Pyle 4-Channel Portable Stereo Headphone Amplifier - Professional Multi-Channel Mini Earphone Splitter Amp w/4 ¼” Balanced TRS Headphones Output Jack and 1/4' TRS Audio Input For Sound Mixer - PHA40 :
Amazon.com: SounDigital Car Audio Amplifier, 4 Channel Full Range Amplifier 400W for Car Motorcycle with Remote Control (1200X1-1 Channels 1200 Watts RMS 2 Ohm Grey EVO4.0) : Electronics
Amazon.com: Stereo Amplifier, HiFi MultiChannel Input No Distortion Digital Display 4 in 1 Output Switching Amplifier for Home (US Plug) : Everything Else
Amazon.com: Stetsom HL 800.4 2 Ohms - Multichannel Car Audio Amplifier, Audio Amplifier, Car Amplifier, 800 Watts RMS Amplifier, Full Range Amplifier, Full Range, Car Stereo, Stereo, Car Audio, Crossover : Electronics
Amazon.com: Stetsom HL 800.4 2 Ohms - Multichannel Car Audio Amplifier, Audio Amplifier, Car Amplifier, 800 Watts RMS Amplifier, Full Range Amplifier, Full Range, Car Stereo, Stereo, Car Audio, Crossover : Electronics
Amazon.com: Diamond Audio MICRO4V2 4-Channel Full Range Class D Amplifier : Electronics
Amazon.com: Hifonics 4 Channel Car Amplifier – Class A/B Gemini Series Multichannel Amplifier 1400 Watt, Car Electronics Audio Subwoofer 2 Ohm Stable Bass Boost MOSFET Power Supply for Speakers Sub Amp : Electronics
Amazon.com: Pyle Home Mini Audio Amplifier - 60W Portable Dual Channel Surround Sound HiFi Stereo Receiver w/ 12V AC Adapter, AUX, MIC IN, Supports Smart Phone, iPhone, iPod, MP3 For 2-8ohm Speakers -
Amazon.com: Pyle Hydra Marine Amplifier - Upgraded Elite Series 3000 Watt 8 Channel Bridgeable Amp Tri-Mode Configurable, Waterproof, MOSFET Power Supply, GAIN Level Controls and RCA Stereo Input (PLMRA830BT) : Everything Else
Amazon.com: Arc Audio X2 600.4 Multi-Channel Amplifier (Four-Channels) : Electronics
Amazon.com: Hifonics 4 Channel Car Amplifier – Class A/B Gemini Series Multichannel Amplifier 1400 Watt, Car Electronics Audio Subwoofer 2 Ohm Stable Bass Boost MOSFET Power Supply for Speakers Sub Amp : Electronics
Amazon.com: LEIGESAUDIO LG-400x4 Full Range 2 Ohms 4 Channels 400 Watts RMS Class D Car Audio Amplifier Multichannel Amp : Electronics
Amazon.com: MOTO 600.4 - Arc Audio 4-Channel 600W RMS Ultra Compace Class D Amplifier : Electronics
Amazon.com: Cambridge Audio CXA81 Stereo Two-Channel Amplifier with Bluetooth and Built-in DAC - 80 Watts Per Channel (Lunar Grey) : Electronics
Amazon.com: 12V Subwoof Vehicle Amplifier Board, with 3D Crystal Power Input Terminal, Monoblock Stereo Speakers, Adapted for Any Car and Home Audio Application : Electronics
Amazon.com: Headphone Amplifier Distributor, Practical Aluminum Alloy 3.5mm Interface 12dB MultiChannel Stereo Headphone Amplifier Safe for Performance : Electronics
Amazon.com: Multichannel Wireless Audio Receiver/Amplifier for Making Passive Speakers Wireless - Model 880, Compatible with Model 800 Multi-Channel Transmitter, Better-Than Bluetooth Digital Wireless : Electronics
Amazon.com: Diamond Audio DES400.4D – DES 4-Channel Full Range Class D Amplifier +free precision screw as a gift / free Dome Tweeter : Electronics
Amazon.com: Taramps TS 400x4 with Automatic High Level Input 400 watts RMS 4 Channels Full Range Car Audio Amplifier RCA Input Class D 2 Bridged Channels Multichannel Amplifier System : Electronics
Amazon.com: Stetsom Bravo HQ 800.4 Multichannel Car Audio Digital Amplifier - 2 Ohms Stable - 800 Watts RMS 4 Independent Channels (CH1 and CH2 / CH3 and CH4) Full Range Car Stereo ds Bridge Speakers 800x4 : Electronics
Amazon.com: Romicta 4.1 Channel Mini Audio Amplifier Receiver, Power Amplifier, Bluetooth 5.0 Amplifier, 50Wx4 + Active Subwoofer, Integrated Hi-Fi Loudspeaker Amplifier, Audio Reduction System for Car or Home : Electronics
Amazon.com: Pyle Wireless Bluetooth Home Stereo Amplifier - Multi-Channel 200W Power Amplifier Home Audio Receiver System w/Optical/Phono/Coaxial, FM Radio, USB/SD,AUX,RCA, Mic in - Antenna, Remote - PDA4BU.5 : Electronics
Amazon.com: Lepai LP-168HA 2.1 2x40W Mini Amplifier + 1x68W Sub Output : Electronics
