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Rockford Fosgate Punch PBR300X1Punch Boosted Rail 300 Watt Mono Amplifier
The Punch PBR300X1 is a compact 300 Watt mono car audio amplifier engineered for compact subwoofer systems. Its Boosted Rail Technology (BRT) delivers high output with an emphasis on electrical efficiency for vehicles with limited space or constrained electrical systems.
Highlights
- 1 Year Warranty
- High level inputs
- MOSFET output stage
- Variable 4-6 volt hi level DC offset voltage input turn-on control
Key specs
Full specs- Number of Channels
- 1
- Total Power (Sum of Rated Power)
- 300 Watts
- Rated Power (RMS Continuous Power)
- 75 Watts x 1 @ 4-Ohm 150 Watts x 1 @ 2-Ohm 300 Watts x 1 @ 1-Ohm
- Dynamic Power (PVC/PowerCube®)
- 96 Watts x 1 @ 4-Ohm 189 Watts x 1 @ 2-Ohm 326 Watts x 1 @ 1-Ohm
- Bridgeable
- No
- Frequency Response
- 20Hz - 250Hz +/-3dB
- Input Sensitivity
- Low-Level: 150 mV - 4 V High-Level: 400 mV - 11 V
- Circuit Topology Class
- Class BR
Key specs
Full specs- Number of Channels
- 1
- Total Power (Sum of Rated Power)
- 300 Watts
- Rated Power (RMS Continuous Power)
- 75 Watts x 1 @ 4-Ohm 150 Watts x 1 @ 2-Ohm 300 Watts x 1 @ 1-Ohm
- Dynamic Power (PVC/PowerCube®)
- 96 Watts x 1 @ 4-Ohm 189 Watts x 1 @ 2-Ohm 326 Watts x 1 @ 1-Ohm
Highlights
Overview- 1 Year Warranty
- High level inputs
- MOSFET output stage
Overview
The Punch PBR300X1 is a compact 300 Watt mono car audio amplifier engineered for compact subwoofer systems. Its Boosted Rail Technology (BRT) delivers high output with an emphasis on electrical efficiency for vehicles with limited space or constrained electrical systems.
Best for
- Compact subwoofer enclosures and single‑subwoofer systems
- Small cars, trucks, and sub‑compact vehicles
- Electric and hybrid vehicles where electrical efficiency matters
- Installations requiring a compact amplifier footprint
Key points
- 300 Watt mono output
- Boosted Rail Technology (BRT) for high efficiency without a switching power supply
- Variable hi‑level DC offset turn‑on circuit for easier integration with OEM systems
- Class‑BR amplifier topology
- Technologies: Punch EQ2, MEHSA3, DSM; CTA‑2006 compliant; Engineered in the USA
Fit and use
Designed to fit where space is limited, the PBR300X1 is suited to powering a single subwoofer or compact subwoofer enclosure. The BRT architecture provides its rated output while minimizing extra load on the vehicle electrical system. The variable hi‑level DC offset turn‑on helps when integrating the amp with factory head units.
What to know
Intended for compact subwoofer applications rather than multi‑channel speaker systems. Boosted Rail Technology achieves 300W output without a switching power supply, prioritizing efficiency. Confirm compatibility with your subwoofer’s impedance and your vehicle’s electrical capacity before installation. Element Ready™…
Highlights
Key features
- 1 Year Warranty
- High level inputs
- MOSFET output stage
- Variable 4-6 volt hi level DC offset voltage input turn-on control
- 12dB/octave Butterworth crossover
- Ultra compact chassis
- Punch EQ2
- MEHSA3
- CTA-2006 Compliant
- DSM
- Engineered In The USA
- Class-BR
More info
Manufacturer details
The Punch PBR300X1 is a 300 Watt mono car audio amplifier designed for compact subwoofer systems. This efficient amp packs a Punch in truck, sub-compact, electric, and hybrid vehicles without sucking a lot of juice from your electrical system.
See our Element Ready™ amplifiers designed specifically for Motorsports and Motorcycle applications.
Additional details
The PBR300X1 is a mono car audio amplifier designed for a subwoofer system that requires little space. The BRT (Boosted Rail Technology) is an ultra efficient design that doesn't even use a switching power supply to generate its 300 Watts of power! The BRT also has a variable hi-level DC offset turn-on circuit for easy installation into any OEM system.
See our Element Ready™ amplifiers designed specifically for Motorsports and Motorcycle applications.
Technologies
Punch EQ2
In the early 70's, Jim Fosgate studied the acoustical properties of automobiles. Utilizing a real-time analyzer
MEHSA3
MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life
CTA-2006 Compliant
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your
DSM
DSM - An industry-leading manufacturing process, DSM utilizes high-speed robotics, high-quality 1% tight-tolerance
Engineered In The USA
[av• uh•tahr -noun] 1. an embodiment or personification, as of a principle, attitude, or view of life 2. a
Patent: 8,212,620
Class-BR
To achieve higher efficiency with lower distortion, Rockford Fosgate's BR topology combines, cycle-by-cycle, an
Specs
Specifications
28
| Number of Channels | 1 |
| Total Power (Sum of Rated Power) | 300 Watts |
| Rated Power (RMS Continuous Power) | 75 Watts x 1 @ 4-Ohm 150 Watts x 1 @ 2-Ohm 300 Watts x 1 @ 1-Ohm |
| Dynamic Power (PVC/PowerCube®) | 96 Watts x 1 @ 4-Ohm 189 Watts x 1 @ 2-Ohm 326 Watts x 1 @ 1-Ohm |
| Bridgeable | No |
| Frequency Response | 20Hz - 250Hz +/-3dB |
| Input Sensitivity | Low-Level: 150 mV - 4 V High-Level: 400 mV - 11 V |
| Circuit Topology Class | Class BR |
| Efficiency (average) | 75% @ 4-Ohm 75% @ 2-Ohm 75% @ 1-Ohm |
| Total Harmonic Distortion (THD+Noise) | 4-Ohm: <1.0% 2-Ohm: <1.0% |
| Signal Input | High/Low Input Switch High/Low Level Input: 4-Pin harness Hi-Level Sensitivity: Variable DC offset sensitivity |
| Signal Output | - |
| Tone Controls | External via Optional Punch EQ |
| Crossover Controls | Low-Pass: 35Hz - 250Hz @ 12dB/Octave Butterworth |
| Remote Controls | Optional PEQ provides 0dB to +18dB @ 45Hz |
| Visual Indicators | Power/Protect, BRT (Boost) |
| Power Wire Gauge | 10 AWG |
| Power Input Connector | Detachable Compression Terminal |
| Speaker Wire Gauge | 16 AWG |
| Speaker Output Connector | 4-Pin Harness Wiring Convenience: 2 Negative Terminals (-) 2 Positive Terminals (+) |
| Cooling | Convection |
| Operating Voltage | 9 - 16 VDC |
| Recommended Fuse (not included) | 30 A |
| Average Current Draw (13.8V Music) | 15 A |
| Max. Current Draw (13.8V Sinewave) | 30 A |
| Suggested Alternator | 75 A |
| Dimensions (H x W x D) | 1.53 x 4.25 x 6.75 (in.) 3.90 x 10.8 x 17.2 (cm) |
| Shipping Weight | 2.76 Lbs. (1.25 Kg.) |
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Installation resources
Wiring diagrams
10
Wiring Diagram #1
Source: Rockford Fosgate
Wiring Diagram #2
Source: Rockford Fosgate
Wiring Diagram #3
Source: Rockford Fosgate
Wiring Diagram #4
Source: Rockford Fosgate
Wiring Diagram #5
Source: Rockford Fosgate
Wiring Diagram #6
Source: Rockford Fosgate
Wiring Diagram #7
Source: Rockford Fosgate
Wiring Diagram #8
Source: Rockford Fosgate
Wiring Diagram #9
Source: Rockford Fosgate
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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