Gravity GBR600.2D True 300-Watt RMS Micro Ultra Compact Digital 2-Channel Full Range Amplifier with RCA Stereo input - Perfect for Motorcycle, RV, ATV, Car, Boat, MarineBrand: Gravity Audio Features: 2 Channels Full Range Digital Amplifier with Bridgeable Technology Two Channel, 2 Ohm and 4 Ohm Stable 300 W RMS with 150W x 2 @ 2 Ohm Load, 300W x 1 @ 4 Ohm Bridged Designed for Stereo Front and Rear Systems that is Micro Compact for little space with Size 1. 5 x 4 x 6. 75 in LPF, Full or HPF X Over for adjusting for your perfect sound system. Perfect for your Motorcycle, Car, RV, ATV, Boat and Marine Solution. Come