A robust Class A/B 4-channel amp that delivers strong headroom, clear sound, and user-friendly tuning features at a competitive price.
Buyer confidence
86%Highlights
- 1 Year Warranty
- Muted turn on
- High level input capable with Auto Turn-On circuit
- Features C.L.E.A.N. Set-up
Key specs
Full specs- 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
Key specs
Full specs- 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
Highlights
Overview- 1 Year Warranty
- Muted turn on
- High level input capable with Auto Turn-On circuit
Review highlights
Based on customer reviewsRockford Fosgate Punch P600X4 — Clean, punchy 4-channel A/B power
A robust Class A/B 4-channel amp that delivers strong headroom, clear sound, and user-friendly tuning features at a competitive price.
What buyers praise
- Strong headroom and power for driving component speakers
- Crisp, clean, and accurate sound even at high volumes
What to watch for
- Bulky/thick chassis — confirm under-seat or enclosure clearance and allow extra space for heat-sink dissipation
Overview
The Rockford Fosgate Punch P600X4 is a multi-mode 4-channel car amplifier rated at 150 watts per channel into 2 ohms. It supports stereo 4-channel operation, bridged 2-channel mode, and a 3-channel arrangement for front speakers plus rear subwoofers.
Best for
- Drivers building a 4-way full-range system
- a 3-way system with front-stage speakers and rear-mounted subwoofers
- or anyone who needs a 4-channel amp that can be bridged to two high-power channels.
Key points
- 150 watts RMS per channel into 2 ohms (4-channel mode)
- Selectable modes: 4-channel stereo, bridged 2-channel, and 3-channel operation
- Variable high-pass/low-pass crossover and built-in Punch EQ for bass tuning
- Pass-Thru RCA jacks for signal routing as the system grows
- Includes multiple Rockford Fosgate technologies (C.L.E.A.N., DSM, CTA-2006 compliant, NOMAD, DTM, TRANS•ana)
Fit and use
Use the P600X4 as a conventional 4-channel amplifier to power front and rear full-range speakers. Bridge pairs of channels to create two higher-power outputs for larger speakers or subwoofers. In 3-channel mode, run stereo front speakers on the front channels while using the bridged rear channels for subwoofers. Use the variable HP/LP crossover and Punch EQ to tune bass and pass frequencies to match speaker roles. P…
What to know
Power ratings and mode options are based on the amplifier's published specifications. Confirm impedance and wiring compatibility with your speakers before connecting. The amp provides onboard crossover and EQ controls for tuning, and Pass-Thru RCA jacks reduce the need for Y-adapters when expanding the system.
Key features
- 1 Year Warranty
- Muted turn on
- High level input capable with Auto Turn-On circuit
- Features C.L.E.A.N. Set-up
- Optional remote Punch Level Control (PLC2) ready (w/ input clip indicator)
- Cast aluminum heatsink
- On-board Punch EQ with +18dB boost @ 45Hz
- Over current protection
- Short circuit protection
- 12dB/octave Butterworth crossover
- RCA pass-thru outputs
- Stealth top mounted control panel
More info
Manufacturer details
The Punch P600X4 is a 4-channel amplifier producing 150 Watts into all four channels at 2-Ohm. The P600X4 is perfect for a 4-way full-range system or a 3-way system having a front stage with subwoofers on the rear channels.
Additional details
The Punch P600X4 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.
Technologies

C.L.E.A.N. Technology
Time and sophisticated test equipment have been replaced, with Rockford’s integrated level setting technology
DSM
DSM - An industry-leading manufacturing process, DSM utilizes high-speed robotics, high-quality 1% tight-tolerance

CTA-2006 Compliant
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your
Engineered In The USA
[av• uh•tahr -noun] 1. an embodiment or personification, as of a principle, attitude, or view of life 2. a
NOMAD
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...

MEHSA3
MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life

DTM
Our engineers at Rockford Fosgate have developed an award winning cooling design called DTM (Dynamic Thermal
TRANS•ana
An award winning studio quality circuit borrowed from the pro audio company Hafler. TRANS-ana is a sound quality

CE Compliant
This product fulfills all essential safety and environmental requirements as defined in the European Directives
Showing the main technologies for this product.
Specs
Specifications
| 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 |
| 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 |
| Dimensions (H x W x D) | 2.38 x 7.76 x 13.28 (in) 6.05 x 19.71 x 33.73 (cm) |
| Shipping Weight | 12.8 Lbs. (5.80 Kg.) |
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Installation resources
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Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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