The Punch P400X1 is a mono amplifier capable of producing 400 Watts into a 2-Ohm load and is designed for medium to high-powered subwoofer applications. You can also use the P400X1 for multi-speaker center channel applications.

• High level input capable with Auto Turn-On circuit
• RCA pass-thru outputs
• Features C.L.E.A.N. Set-up
• Optional remote Punch Level Control (PLC2) ready (w/ input clip indicator)
• 12dB/octave Butterworth crossover
• On-board Punch EQ with 18dB boost @ 45Hz.
• Muted turn on
• Stealth top mounted control panel
• Cast aluminium heatsink
• Short circuit protection
• Over current protection
• Number of Channels: 1
• Rated Power(RMS Continuous Power):
• 250 Watts x 1 @ 4-Ohm
• 400 Watts x 1 @ 2-Ohm
• Total Power (Sum of Rated Power): 400 Watts RMS
• Efficiency (average): 73% @ 4-Ohm
• Crossover Controls: High-Pass (HP): 50Hz-250Hz 12dB/octave Butterworth
• Low-Pass (LP): 50-250Hz 12dB/octave Butterworth
• Tone Controls:     Punch EQ2 Bass: 0dB to 18dB @ 45Hz and/or
• Punch EQ2 Treble: 0dB to 12dB @ 12.5kHz
• Function depends upon LP/AP/HP switch position
• Signal Input: Hi/Low level: 1 RCA pair
• Signal Output: Low Level: 1 RCA Pair
• Power Input Connector: Captive C-Clamp
• Power Wire Gauge: 8 AWG to 4 AWG
• Speaker Output Connector: Captive C-Clamp
• Speaker Wire Gauge: 8 AWG to 18 AWG
• Heat Sink Type: Cast aluminium
• Cooling: Convection
• Remote Controls: Optional Punch Level Control (PLC2) Ready
• Visual Indicators: Power/Protect/Thermal LED
• Circuit Topology Class: Class-A/B
• Frequency Response: 20Hz to 20kHz /- 1.0dB
• Dimensions (HxWxL): 2.38 x 7.76 x 9.86 (in)
• 6.05 x 19.71 x 25.04 (cm)