BOSS Audio Systems R2000M Monoblock Car Amplifier - 2000 Watt Amp, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Great for Car Subwoofers

BOSS Audio Systems PV3700 5 Channel Car Stereo Amplifier – 3700 High Output, 5 Channel, 2/4 Ohm Stable, Low/High Level Inputs, High/Low Pass Crossover, Full Range, Bridgeable, for Subwoofer

BOSS Audio Systems MCBK520B Motorcycle 3 Inch Stereo Speakers and Amplifier Audio Sound System - Bluetooth 2 Channel Amplifier, Weatherproof, FM Tuner, USB, SD, Auxiliary In, ATV UTV Compatible

BOSS Audio Systems ASK902B.6 Marine Boat 6.5 inch Speakers and Amplifier Package - 500 High Output Full Range 4 Channel Amp, Bluetooth Remote, Waterproof Pouch

BOSS Audio Systems OX2.600 2 Channel Car Amplifier – 600 Watts, Full Range, Class A/B, 2-8 Ohm Stable, MOSFET Power Supply, Bridgeable