Kubota RTV Punch Marine 600 Watt 4-Channel Amplifier by Rockford

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Product Information

BRAND: Rockford
Power up your off-road adventures with Kubota RTV Punch Marine: a 600W 4-channel amplifier by Rockford.
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This is a 600 Watt 4-channel amplifier with high dynamic power using Class-a/b technology and a conformal coated pc board designed for motorsport and marine applications.

The Punch PM600X4 multi-channel amplifier is versatile to power any audio system configuration. In addition to 4-channel stereo mode, you can bridge both channels to create a high power 2-channel amp, or run stereo speakers on the front with subwoofers on the rear in 3-channel mode. The variable HP/LP crossover and built-in Punch EQ allows for precise tuning of Bass frequencies and the Pass-Thru RCA jacks provide flexibility as your system grows and keeping Y-adapters to a minimum.

Punch Marine 600 Watt 4-Channel Amplifier Features:

  • 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 aluminum heatsink
  • Short circuit protection
  • Over current protection
  • Marine grade two part epoxy coating on circuit boards
  • Marine grade stainless steel hardware


  • Number of Channels - 4
  • Total Power (Sum of Rated Power) - 600 Watts
  • Rated Power (RMS Continuous Power) - 75 Watts x 4 @ 4-Ohm, 150 Watts x 4 @ 2-Ohm, 300 Watts x 2 @ 4-Ohm Bridged
  • Dynamic Power (PVC/PowerCube®) - 129 Watts x 4 @ 4-Ohms 0° Res, 211 Watts x 4 @ 2-Ohms 0° Res
  • Bridgeable - Yes
  • Frequency Response - 20Hz to 20kHz +/- 1.0dB
  • Input Sensitivity - 150 mV - 12 V
  • Circuit Topology Class - Class A/B
  • Efficiency (average) - 68% @ 4-Ohm
  • Total Harmonic Distortion (THD+Noise) - 4-Ohm: <1.0%, 2-Ohm: <1.0%
  • Signal Input - Hi/Low level: 2 RCA pair
  • Signal Output - Low level: 1 RCA pair
  • Tone Controls - Front Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or, Front Punch EQ2 Treble: 0dB to +12.5dB @ 12kHz, Rear Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or, Rear Punch EQ2 Treble: 0dB to +12.5dB @ 12kHz, Function depends upon LP/AP/HP switch position
  • Crossover Controls - Front/Rear High-Pass (HP): 50Hz-250Hz @ 12dB/octave Butterworth, Front/Rear Low-Pass (HP): 50Hz-250Hz 12dB/octave Butterworth, All-Pass: Yes
  • Remote Controls - Optional Punch Level Control (PLC2) Ready
  • Visual Indicators - Power/Protect/Thermal LED, Input Clip LED3, Output Clip LED1,2,3 (LED Color Legend: 1BLUE: <0.5% THD, 2VIOLET: 1% THD, 3RED: 10%+ THD)
  • Power Wire Gauge - 4 AWG
  • Power Input Connector - Captive C-Clamp
  • Speaker Wire Gauge - 8 AWG to 18 AWG
  • Speaker Output Connector - Captive C-Clamp
  • Cooling - Convection
  • Heatsink
  • Operating Voltage - 9 - 16 VDC
  • Recommended Fuse (not included) - 100 A
  • Average Current Draw (13.8V Music) - 45 A
  • Max. Current Draw (13.8V Sinewave) - 90 A
  • Suggested Alternator - 75 A

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Warning: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to