POWERED GAMING SUBWOOFER WITH SATELLITE SPEAKER OUTPUTS
Tda7850 Subwoofer Digital Amplifier Audio Board 2*80w+120w Stereo Class Ab Amplificator For 2-8 Ohm Speaker Dc9-18v C3-008 - Home Theater Amplifiers - AliExpress
official TDA7850 Subwoofer Digital Amplifier Audio Board 2*80W+120W Stereo Class AB Amplificator For2-8 Ohm Speaker DC9-18V - AliExpress Electronic Components & Supplies
TDA7850 Subwoofer Digital Amplifier Audio Board with Shell 2X80W+120W Class Amplificator for 2-8Ohm Speaker DC9-18V - Walmart.com
Subufer pasiv + amplificator
Connect Passive subwoofer (not amplified subwoofer) to an 7.1 or more home theater receiver. - YouTube