Lightning Audio Strike S4.200.2 200 watts, 2-Channel Amplifier 200 watts, 2-Channel Amplifier RMS Power Output: 4 ohms: 50 watts x 2 channels | 2 ohms: 100 watts x 2 channels | Bridged, 4 ohms: 200 watts x 1 channels CEA-2006 Compliant Adjustable 12dB/octave Crossover | Frequency Response: 15 Hz - 20 kHz Dimensions: 8.25"L x 10.5"W x 2"H