Fully tested and working order. Some scratches and scuffs but overall good condition. See all photos.
eBay
4-Channel Car Amplifier (60Wx4) 240W Max Power for Large Display Android Devices Audio Subwoofers and Speakers Car Stereo AMP
Aliexpress UK
⚠️Important: This unit is aUSA plug version. Built-in Bluetooth for wireless streaming. (2) 1/4" Microphone inputs (great for karaoke). AM/FM radio with 50 station presets. Connects easily to TVs, soundbars, and external surround sound speaker systems (speakers not included).
eBay
MiCWL CA Series 5200W Power Amplifier Stage Karaoke Audio Speaker Digital AMP 2 4 Channel 2600 Watt
Aliexpress UK
1xQS1200.4 2 Ohm 4 Channel Amp Car Audio 4 x 310 Watts RMS at 2 Ohm. 4 Channel car audio amplifier stable at 2 Ohm gives you the benefit of wiring multiple speakers and dividing the power per channel.
eBay
1600W Peak Power HiFi Sound Amplifier Digital 4 Channel Audio Amplifier Bluetooth Karaoke Player FM Radio Support Remote Control
Aliexpress UK
This little guy churns out 100 watts of audio from each of its four channels into 2 ohms (14.4V, 1% THD) and is fully bridgeable, so it can be used as a 3-channel amplifier, or as a 2-channel amplifier producing a whopping 200W x 2 into 4 ohms.
eBay
200W *2 Channel Class D Digital Audio Power Amplifier Bluetooth 5.4 TPA3255 Stereo Home Amplifier ES9038Q2M DAC XOMS316 USB
Aliexpress UK
Supporting wired 2 groups of stereo RCA and wireless Bluetooth 5.0 input, compatible with most common audio device such as phones, computers, TVs, MP3, TV, CD players etc. With U-disk input, it can be used as a digital music player, supporting MP3, WAV, APE, FLAC and WMA lossless formats. With 4 groups of speaker sockets output, they can output at the same time and each channel with independent volume control. Its max output power can reach 50W×4, and equipped with high-quality 24V/4.5A power supply, enough to drive most home speakers.
eBay
GOOERMI Senmi FV4000 4 Channel 2000W Audio Digital Power Amplifier With Volume Knob Power Switch Audio Input For Vocal Concert
Aliexpress UK
(Notice: The product needs to be connected to passive speakers to play audio. When there is no speaker connected, there will be a certain amount of wind noise, which is normal.). Bluetooth 5.0 】The professional integrated indoor stereo receiver is equipped with the new updated 5.0 bluetooth.
eBay
4 Channel 8000W Class AB Car Audio Upgrade Power Amplifier 12V Power Stereo Amplifie Car Audio Speaker Subwoofer Treble Mid-bass
Aliexpress UK
The Fosi Audio HT4S Bluetooth Amplifier is a high-quality 4-channel power amplifier designed for outdoor speakers. Manufactured by FOSI AUDIO in China, this amplifier is perfect for boosting sound quality and enhancing your outdoor audio experience. With its Bluetooth connectivity, you can easily stream music from your devices for a seamless listening experience. The HT4S is a reliable and efficient choice for outdoor speaker setups, delivering power and clarity for an immersive sound experience.
eBay
HA400 Ultra-Compact 4 Channels Headphone Amplifier Audio Stereo Amp Amplifier with EU Adapter for Music Mixer Recording
Aliexpress UK
Don't just make your system louder - make it clearer. Make it better... Press the selector, and the microphone goes to work. The KEY uses a powerful internal computer to deliver dramatic improvements in realism and soundstage. A massive 40-band equalizer improves tonality, and a 24dB crossover re-defines the capabilities of each speaker. The concert quality of your factory stereo is revealed! What would take hours for a professional to achieve happens in a matter of minutes. All automatically. All with the press of a single button. Start with these FREE TEST TONES for easy setup! In addition to an unbelievable sound quality, the KEY200.4 delivers 200 watts of pumpin' power to your factory speakers. At KICKER, we know power and clarity always go hand-in-hand. Measuring less than eight.
eBay
Douk Audio G4 Mini Subwoofer / Full-Frequency Mono Channel Digital Amplifier HiFi Audio 100W Home Desktop Power Amp
Aliexpress UK