Punch 400 Watt 4-Channel Amplifier P400X4 The Punch P400X4 is a 4-channel amplifier producing 100 Watts into all four channels at 2-Ohm. The P400X4 is perfect for a 4-way full-range system or a 3-way system having a front stage with subwoofers on the rear channels. The P400X4 is perfect for 4-way front-stage/rear-fill or 3-way front-stage/subwoofer systems. Simply drop a pair of component speakers on the front channels and subs on the rear and BOOM - you got "The PUNCH." With its flexible design, the P400X4 is an excellent amplifier choice for virtually any vehicle. FEATURES AT A GLANCE 12dB/octave Butterworth crossover High level input capable with Auto Turn-On circuit Features C.L.E.A.N. Set-up On-board Punch EQ with +18dB boost @ 45Hz Short circuit protection Over current protection Cast aluminum heatsink Muted turn on 1 Year Warranty Stealth top mounted control panel SPECIFICATIONS Cta-2006 Compliant Remote Controls Number of Channels 4 Visual Indicators Power/Protect/Thermal LED Input Clip LED3 Output Clip LED1,2,3 LED Color Legend: 1BLUE: