30W Direct-Coupled MOSFET Power Amplifier Board, Pure Class A Audiophile Grade, Pure Power Amplifier PCB Finished Product

Bluetooth Amplifier Board Module 2x50W Digital Stereo Audio Amp Board Dual Channel DC 5V-27V with HiFi Filter

Tpa3118dd2 Subwoofer Amplifier Board 30wx2+60w Hifi 2.1 High Power

TPA3118 PBTL 60W DC 8-24V Mono Digital Audio Amplifier Board AMP Module Chip 1X60W 4-8 Ohms Replace TPA3110 for Arduino

DC 12V Mini HiFi Audio Power Amplifier - Portable Dual Channel Stereo Audio Receiver - Black

Adjustable low-pass and high-pass filter, solderless, for high-power 400W KTV stage speakers.

High-end digital audio amplifier board, 18W mono audio amplifier module, DIY modification for 6-12V active speakers

Upgraded HT21MAX 2.1 channel Bluetooth amplifier board, high power 200W2 + 400W, high and low frequency adjustment.

High-fidelity passive crossover for DIY home audio setup, two-way bookshelf speaker with high/low frequency response

DIY lossless audio speaker system with 230W Bluetooth decoder, stereo amplifier board, color screen and recording/call function.

Miniature Bluetooth amplifier board with 250W high power stereo audio amplification module, compatible with USB flash drives, sound cards and remote controls.

TDA2050 Audiophile HiFi Digital Amplifier Board, 30W Mono Audio Power Amplifier Module, 12-24V DC Power Supply

Bluetooth 5.0 digital amplifier board with rechargeable lithium battery PAM8403, dual channel 2 x 5W, USB flash drive and TF card switch

Hot-selling new home Bluetooth amplifier, HiFi high-power digital mini amplifier, professional amplifier

The electronic volume control module has an onboard 3W digital audio amplifier board with buttons for adjusting volume.

TPA3221 Digital Class D Amplifier Board 100W2 High Power Amplifier Board

CREA Bt-298a 600w Home Amplifiers Audio Bluetooth Amplifier Subwoofer Home Theater Sound System Amplifie

Bluetooth V2.1 2x25W Audio Amplifier Board TDA7492P with AUX Interface HW-893