Vistreck 2.1 Channel Subwoofer Power Amplifier Module DIY Kit 50Wx2+100W Treble Bass Control DC 12-24V BT Audio Amplifier Board Stereo Speaker Digital Amp for Audio System - Walmart.com
Universal Car Stereo Slotted S Port Dual 12" Alpine Type S S-W12D2 Sub Box Enclosure with S2-A60M Amplifier & 4GA Amp Kit | ALPINE-PACK145A-AMP