<ul><li>Alpine Power Pack 4-Channel Class D for Select In-Dash Receivers</li><li>Increases the output of an Alpine headunit without having to install a full size amplifier and amp install kit</li><li>The fast and easy solution to higher power aftermarket sound</li><li>RMS Power Rating:</li><li>4 ohms: 45 watts x 4 chan.</li><li>Total RMS power output: 180 watts</li><li>Gain switch is adjustable from high to low</li><li>Plug-and-play design for compatible Alpine headunits</li><li>Plugs directly into the wiring harness of the Alpine receiver</li><li>Fast and simple installation</li><li>4 channel operation for four speakers</li><li>Minimum impedance of 4 ohms</li><li>Is not compatible with factory amplifiers</li><li>CEA-2006 compliant amplifier</li><li>Frequency response: 20-20 000 Hz</li><li>Fuse Rating: 15A x 1</li><li>"Dimensions: 7-13/16D?x 2-9/16""W?x 1-1/2""H",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,</li></ul><br><br>Use this 4-channel mini amplifier with your 2005 or later Alpine in-dash deck to enhance your favorite tunes while you're on the road.

Alpine KTP-445 4-channel Power Pack Amplifier