Rockford Fosgate P400X2Punch 400 Watt 2-Channel Amplifier
The Punch P400X2 is a 2-channel stereo amplifier capable of producing 200 Watts into each channel at 2-Ohms. The P400X2 amplifier is great with full-range or component systems or can be bridged for use with 2 or more subwoofers.
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
- 2
- Total Power (Sum of Rated Power)
- 400 Watts
- Rated Power (RMS Continuous Power)
- 125 Watts x 2 @ 4-Ohm 200 Watts x 2 @ 2-Ohm 400 Watts x 1 @ 4-Ohm Bridged
- Dynamic Power (PVC/PowerCube®)
- 149 Watts x 2 @ 4-Ohms 0° Res 256 Watts x 2 @ 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
- 2
- Total Power (Sum of Rated Power)
- 400 Watts
- Rated Power (RMS Continuous Power)
- 125 Watts x 2 @ 4-Ohm 200 Watts x 2 @ 2-Ohm 400 Watts x 1 @ 4-Ohm Bridged
- Dynamic Power (PVC/PowerCube®)
- 149 Watts x 2 @ 4-Ohms 0° Res 256 Watts x 2 @ 2-Ohms 0° Res
Highlights
Overview- 1 Year Warranty
- Muted turn on
- High level input capable with Auto Turn-On circuit
Overview
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
Whether you're looking to drive high frequency component speakers or low frequency subwoofers, the P400X2 has the power and flexibility you need to put some serious PUNCH in your vehicle. The power available from such a small amp means it's a great match for a 2-ohm DVC subwoofer or pair of 8-ohm SVC subwoofers.
Technologies

CE Compliant
This product fulfills all essential safety and environmental requirements as defined in the European Directives
Engineered In The USA
[av• uh•tahr -noun] 1. an embodiment or personification, as of a principle, attitude, or view of life 2. a
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

C.L.E.A.N. Technology
Time and sophisticated test equipment have been replaced, with Rockford’s integrated level setting technology
Balanced Differential Inputs
Differential input circuitry measures the voltage of both the (+) and (-) input signal. The circuitry subtracts

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
Showing the main technologies for this product.
Specs
Specifications
| Number of Channels | 2 |
| Total Power (Sum of Rated Power) | 400 Watts |
| Rated Power (RMS Continuous Power) | 125 Watts x 2 @ 4-Ohm 200 Watts x 2 @ 2-Ohm 400 Watts x 1 @ 4-Ohm Bridged |
| Dynamic Power (PVC/PowerCube®) | 149 Watts x 2 @ 4-Ohms 0° Res 256 Watts x 2 @ 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) | 72% @ 4-Ohm |
| Total Harmonic Distortion (THD+Noise) | 4-Ohm: <1.0% 2-Ohm: <1.0% |
| Signal Input | Hi/Low level: 1 RCA pair |
| Signal Output | Low level: 1 RCA pair |
| 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 |
| Crossover Controls | High-Pass: 50Hz-250Hz @ 12dB/octave Butterworth Low-Pass: 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 | 8 AWG to 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) | 60 A |
| Average Current Draw (13.8V Music) | 28 A |
| Max. Current Draw (13.8V Sinewave) | 55 A |
| Suggested Alternator | 75 A |
| Dimensions (H x W x D) | 2.38 x 7.76 x 11.03 (in) 6.05 x 19.71 x 28.02 (cm) |
| Shipping Weight | 10.5 Lbs. (4.76 Kg.) |
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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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