Klipsch Reference Series 10" 150W Powered Subwoofer Black R-101SW II 1070404 - Best Buy
150w High Power Active Subwoofer 8 Inch Home Theater Hifi Fever Speaker Super Bass Speaker High Fidelity Long Stroke Bass - Speakers - AliExpress
Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics
ARC AUDIO ARC8D4 V3 8" 150W RMS DUAL 4-OHM SUBWOOFER BASS CAR AUDIO SPEAKER NEW | eBay