Package: MB Quart DA1-1200.2 1200 Watt RMS 2 Channel Class D Car Audio Discus Amplifier + Rockville RWK41 4 Gauge 2 Channel Complete Wire Kit With RCA Cables 1200 Watt RMS 2 Channel Class D Car Audio Amplifier. Power Output: 600 Watts x 2 Channels @ 2 ohms, Power Output: 300 Watts x 2 Channel @ 4 ohms. Mono Bridged Power Output: 1200 Watts x 1 Channel @ 4 ohms, Focused mass aluminum heat sinks 6.5 wide PCBs provide better parts spacing. Ample extrusion length for high thermal performance, DC, Short Circuit, Thermal and Overload Protection. Frequency Response: 10Hz-45KHz Signal to Noise Ratio: &gt;90dB, Bass Boost 0-12dB. RCA Input, Fuse: 40A x 3 THD: &lt;0.10%. Variable Hi-Pass filter (60-1.2 KHz), Variable low-pass filter (30-250 Hz). Dimensions: 19.3"L x 2.2"W x 9.0" and H1  17 High Grade Twisted Pair of 100% Copper RCA Cable 17  4 Gauge Translucent Blue SuperFlex Power Cables. 17  18 Gauge Blue Remote Cable, 17  16 Gauge Clear Speaker Wire. 3  4 Gauge Clear SuperFlex Ground Wire Gold Plated AGU Heat Resistant Fuse Holder. 60 Amp AGU Gold Plated Fuse, 7 Split Tube Loom. Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets