5 CORE 8" Full Range Subwoofer Car Audio Speakers, RMS 40W Peak 400W, 4 Ohm Car Vehicle Audio Full Range Drivers, Wide Range DIY Loudspeaker Woofer Replacement Golden SP 872 G - Walmart.com
Subwoofer SW3306, 40 W RMS, 120 W max 8 Ohm, 6 inch, 20 OZ
Woopker Audio Amplifier ST-838 2.1 Channel Subwoofer Stereo Bass Amp RMS 20Wx2+40W Class D Mini Amplifiers Media Player _ - AliExpress Mobile