X4 4-channel Car Amplifier. 4-channel X Series Car Amplifier. 4 ohms: 70 watts x 4 chan, 2 ohms: 140 watts x 4 chan, Bridged, 4 ohms: 220 watts x 2 chan, Class D Design, Ultra Compact Footprint, Selectable Crossover (LPF/FLAT/HPF), Perfect for Motorcycles.
eBay