Uses an NCP2890 audio amplifier IC chip that can output 1W of power and an 8ohm 66mm speaker. Product Contents: Apmlifier PCB, battery cage, 8ohm speaker, 3.5mm mono jack lead, 2x 1uF capacitor, 1x 100nf capacitor, 1x 100K resistor, 1x 15K resistor.
eBay
Fosi Audio Mono Amplifier Subwoofer Amp 100W With Bass Power Amplifier For Home Passive Speaker M04
Aliexpress UK
Product Feature: 1. Can drag 0.5W-10W speaker DC3-12V audio amplifier 2. The smallest mini amplifier board 3. Beautiful appearance, easy to use 4. Adjustable volume 5. Using high-quality materials, the quality is guaranteed Product parameters: Model: LM386 Power supply DC power supply: 3-12V Output power: 0.5-12W Power indicator: yes Audio input: 3.5MM Volume adjustment: yes Shipping list: Mini amplifier board X1.
eBay
MAX600W Mono Car Audio, Subwoofer Driver, Power Amplifier, Audio Module, Car Amplifier, Mono Power Amplifier, DC12V HIFI Audio
Aliexpress UK
46CXA800.1T+AMPKIT4 Mono Amplifier w/ 4AWG Kit. 4AWG Complete Amplifier Kit. If you do not see the official KICKER Authorized Dealer seal, then it is not an Authorized Dealer. Authorized Online KICKER Dealer.
eBay
AIYIMA A3001 TPA3255 Subwoofer Power Speaker Amplifier 300W Mono Hifi Home Audio Amplifier NE5532 OP AMP Bass Treble Adjust
Aliexpress UK
46CXA400.1T+AMPKIT8 Mono Amplifier w/ 8AWG Kit. 8AWG Complete Amplifier Kit. If you do not see the official KICKER Authorized Dealer seal, then it is not an Authorized Dealer. Authorized Online KICKER Dealer.
eBay
AIYIMA A1001 100W Subwoofer Amplifier TPA3116 Power Amplifier Speaker Sound Amplificador Digital Class D Mono Home Audio AMP
Aliexpress UK
Whadda WSAH4001 7 Watt Mono Audio Amplifier Electronic Kit. A self assembly electronic DIY kit which requires soldering. The IC is fully protected against overheating and short circuits. Give space to your imagination and create a unique electronic project with our range of soldering kits.
eBay
2130 Mono 2.5W Class D Audio Amplifier - PAM8302 module Mono 2.5W Class D Audio Amplifier - PAM8302
Aliexpress UK
1 x 20W HIFI Mono Channel LM1875T Stereo Audio Amplifier Board Module DIY Kit. Output Power: Typical 20W (maximum 30W). (RC low-pass circuit considered by the maximum range 3.29Hz-482.29kHz).
eBay
Fosi Audio M03 Power Subwoofer Amplifier 200 Watt Mono Audio Amp Digital Hifi Home Amplifier
Aliexpress UK
47KEY500.1+AMPKIT8 Mono Amplifier w/ 8AWG Kit. 8AWG Complete Amplifier Kit. If you do not see the official KICKER Authorized Dealer seal, then it is not an Authorized Dealer. Authorized Online KICKER Dealer.
eBay
TPA3116D2 Subwoofer Amplifier Board DC 12-24V mono Digital Audio Amplifier Power Amplifier Board for Home Audio Car Speakers DIY
Aliexpress UK
46CXA1200.1T+AMPKIT4 Mono Amplifier w/ 4AWG Kit. 4AWG Complete Amplifier Kit. If you do not see the official KICKER Authorized Dealer seal, then it is not an Authorized Dealer. Authorized Online KICKER Dealer.
eBay
5PCS Bluetooth 5.0 audio module 5V 3W Mono output Bluetooth receiver board Digital Audio Amplifier Module Audio Amplifier Board
Aliexpress UK