Amazon.com: Pioneer GM-D8701 1600W Max 1-Channel GM Digital Champion Series Class-D Monoblock Car Audio Stereo Amplifier w/Wired Bass Boost Remote and Free Alphasonik Erabuds : Electronics
Facmogu S-299 40Wx4 Bluetooth Power Amplifier with Active Subwoofer Output Max 800W 4.1CH Subwoofer Amplifier Hi-Fi Integrated Mini Speaker Amp Audio Sub Bass Amp Remote Control & 12V Power Supply