Facmogu S-299 4.1CH Bluetooth Power Amplifier with Active Subwoofer Output (NOT Passive Subwoofer), Max 800W RMS 40Wx4 Subwoofer Amplifier Hi-Fi Integrated Mini Speaker Amp Audio Sub Bass Amp
WSDMAVIS 2 Sets Speaker Protection Board DIY Component Kit Audio Amplifier Horn Protection Board Kit with Boot Delay DC Protect Functions
PEMENOL 15W+15W Mini Bluetooth Amplifier Board, PEMENOL DC 8-24V Stereo Dual Channel Audio Power Amplifier Module with Music Spectrum Volume Indicator Support Bluetooth Audio U Disk for Home DIY Speaker
Juried Engineering LM386N-4/NOPB LM386N-4 LM386 Wide Input Voltage Low Power Audio Amplifier with Internal Gain DIP-8 Breadboard-Friendly (Pack of 10)
RAKSTORE XH-A157 PAM8403 Digital Power Amplifier Board Module DC5V Dual Channel Audio Speaker Amplifier 2x3W with Volume Knob
Walfront NE5532 Preamplifier Tone Board HiFi Stereo Amplifier Volume Control 4 Channels Amplifier Treble Mediant Bass Volume AC 12V-18V
Rakstore 4pcs 5128 Amplifier Board 5W Class D Digital Amplifier Board Mono Audio Module Low Distortion
Pyle 4 Multi-Zone Stereo Amplifier - 19” Rack Mount, Powerful 8000 Watts with Speaker Selector Volume Control & LED Audio Level Display - 4-Ch. Bridgeable Switches - Pyle PT8000CH
AUGUESLD XY-C160H 160W+160W Bluetooth Power Amplifier Board with TDA7498E Chip 160W*2 Power Output(PMPO),Wide Voltage Input12-36V Audio Power Amplifier Module for DIY Bluetooth Speakers