HAS ONLY BEEN TESTED FOR POWER.
eBay
Nobsound Mini Bluetooth 5.0 TPA3116 Digital Audio Amplifier HiFi Class D Stereo Power Amp 100W*2 for Home Speakers
Aliexpress UK
Classic integrated amp, well known for easily driving very difficult loads without breaking a sweat.
eBay
TPA3221 Pure Rear Digital Power Amplifier Board 100W+100W Dual Channel Stereo Audio Amp DC 10-30V for Car Home Speaker Subwoofer
Aliexpress UK
I have read and heard the 3120 described on several occasions as the best of the 3020 variants. This one is in very good condition for its age. It has a few inevitable scratches on the top and sides, not very noticeable at most angles in most lights.
eBay
TPA3221 Pure Rear Digital Power Amplifier Board 100W+100W Dual Channel Stereo Audio Amp DC 10-30V for Car Home Speaker Subwoofer
Aliexpress UK
There are marks and scratches on it.
eBay
Douk Audio NS-13G-MAX HiFi 2.0 Channel Stereo Audio Amplifier TPA3255 Mini Digital Power Amp with Phono input 300W+300W
Aliexpress UK
The NAD C320BEE Stereo Integrated Amplifier is a high-quality audio component that offers 100W of power output and 7 inputs including stereo L/R RCA. This model features a sleek black design and includes a headphone jack for added versatility. With its integrated amplifier type and analog features, the NAD C320BEE is a reliable choice for enhancing your stereo audio experience.
eBay
1600W Peak Power Karaoke Player Remote Control Bluetooth-Compatible Home Car Power Amplifier FM USB Mini HIFI Digital Stereo Amp
Aliexpress UK
NAD 3140 Stereo Integrated Amplifier. A classic Hi-Fi amplifier from the early 80’s in full working order fully tested, 10 capacitors replaced as they were well out of spec and a bridge rectifier. It is now sounding very nice and up to spec.
eBay
Sinilink 40W/50W Stereo Bluetooth 5.0Power Amplifier Board WIFI Mobile Control APP 12V/24V High Power Digital Amplifier Module
Aliexpress UK
Working well, without remote .
eBay
AIYIMA A80 Amplifier TPA3255 DAC Bluetooth PFFB Stereo Power 300Wx2 Class D 2.0 HiRes Digital Amp with RCA TRS OPT COA USB Input
Aliexpress UK
For Standard Hi Fi - approx 440 mm wide. Power output: 50 watts per channel into 8Ω (stereo). Channel separation: 70dB (line). Frequency response: 10Hz to 65kHz. Signal to noise ratio: 110dB (line). Input sensitivity: 159mV (line).
eBay
Fosi Audio BT10A Bluetooth 2 Channel Sound Power Stereo Amplifier TPA3116D2 Mini HiFi Digital Amp for Speakers 50W Treble & Bass
Aliexpress UK