Adjusted by the analog components to upgrade the mini mixer, give you the real HIFI sound effect. USB interface, and a built-in MP3 pointer is used to download the music you like to the disk and insert it into the machine, and instantly plug and play.Support 1sets audio input,easy to connect devices.
eBay
PAM8403 5V Power Audio Amplifier Board 2 Channel 3W W Volume Control / USB Power
Aliexpress UK
If you have a bluetooth device on your smart phone or laptop, you can send the music to the amplifier without any cables or wires. Type of power amplifier: AV power amplifier. Support:USB Disk/Max 64GB SD Card(Not included).
eBay
New upgraded Version TPA3255 600WX2 Dual Core 2.0 Channel HiFi Ultra High Power Audio Amplifier Board
Aliexpress UK
Fosi Audio BT30D Pro is the upgraded version for BT30D. All-NEW Black Aluminum Appearance. BT30D VS BT30D Pro: MAX Power Output: 50 Watt x2+100 Watt VS 165 Watt x2+350 Watt, Amplifier Chip: TPA3116D2 VS TPA3255.
eBay
Class AB Car Audio Modified 4-channel 4*80w High-power Audio Amplifier Four-door Speaker Active Subwoofer Stable Output Music
Aliexpress UK
C Audio Pulse 4x300. Great power Amplifier. also made a quick video to show working every channel as should. The sound quality is excellent. overall very good condition, have few scratches here and there but nothing crazy.
eBay
YS-AP50L Digital Power Audio Amplifier Board CS8673E Audio Power Amplifier Bluetooth-compatible 5.1 DIY Home Audio Modification
Aliexpress UK
Well, then this is the perfect module for you. This module is based on the famous TDA2030A Audio Amplifier Module which is capable of 18-watt power output with very low harmonic distortion. • Amplifier IC: TDA2030A.
eBay
AU47-TPA3255 Digital Power Audio Amplifier Board Class D 2.0 Sound Amplifiers Stereo Home Audio Amp 600Wx2
Aliexpress UK
If you have a bluetooth device on your smart phone or laptop, you can send the music to the amplifier without any cables or wires. Type of power amplifier: AV power amplifier. Support:USB Disk/Max 64GB SD Card(Not included).
eBay
Bluetooth 5.0 TPA3116D2 Digital Power Audio Amplifier board 50WX2 100W*2 Stereo AMP Amplificador Home Theater AUX USB 502H 1002
Aliexpress UK
If you have a bluetooth device on your smart phone or laptop, you can send the music to the amplifier without any cables or wires. Type of power amplifier: AV power amplifier. Support:USB Disk/Max 64GB SD Card(Not included).
eBay
AIYIMA TPA3116 Subwoofer Amplifier Board TPA3116D2 2.1 Power Audio Amplifier 50Wx2+100W Bass Amplificador for Passive Speaker
Aliexpress UK
HiFi Sound with Adjustable High-Pass Filter: This TPA3255 amplifier features an adjustable high-pass filter (HPF) 30-200Hz to refine mid-high frequencies while minimizing low-frequency interference. Perfect for bookshelf or passive speakers, it enhances clarity and creates a dynamic soundstage ideal for home stereo and theater audio systems. Easy Customization with Plug-and-Play Op-Amps: Upgrade your sound effortlessly! Douk Audio A5 includes a tempered glass access panel for quick op-amp replacements, allowing audiophiles to tailor sound profiles without disassembling the unit.
eBay
6800W 12V 4 Channel Universal Car Amplifier Modification High-Power Audio Amplifiers
Aliexpress UK