Bazooka MC-HON-AMK 4-Channel Honda Amplifier Kit Includes auxiliary output plug for an optional amplified BTA6100 Bazooka bass tube subwoofer that can be installed into the trunk. (BTA6100 and FAST-HON-SIK subwoofer installation kit sold separately) The amplifier kit is 2 ohm stable and works with any brand of speakers whether 2 ohm or 4 ohm Plug and play interface harness 200-watt max power amplifier