3. Car Amplifier
  5. Punch PBR300x2

Punch PBR300x2

150 Watt

Punch PBR300x2

Technical Highlights

  • 2-channel amplifier with 100W RMS power per channel at 4 ohms.
  • BRT design for high efficiency without switching power supply.
  • Ultra-compact housing ideal for tight spaces.
  • More technical details
€322.05
-5% €339.00 €322.05
2% discount with credit card
including VAT
Estimated delivery: Sep 15–Sep 18.
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Rockford Fosgate-Punch PBR300x2-2-Kanal Verstärker-masori-kaufen
€322.05
€339.00 €322.05

Rockford Fosgate Punch PBR300x2 is a 2-Channel Amplifier with patented Boosted Rail Technology (BRT). The design operates without a switching power supply to generate the rated power and allows for an ultra-compact housing. Equipped with a MOSFET output stage, bridgeable configuration, and 12 dB/octave Butterworth crossover for high-pass and low-pass from 50 Hz to 500 Hz. The frequency response is 20 Hz – 20 kHz (±3 dB), and the input sensitivity is 150 mV – 11 V. High/Low level inputs via a 4-pin wiring harness as well as variable high-level DC offset turn-on (4–6 V). Circuit topology Class BR, average efficiency 68%, operating voltage 9 – 16 VDC. Dimensions 3.90 x 10.8 x 17.2 cm; optional remote Punch EQ/PEQ with 0 dB to +18 dB at 45 Hz.

Features
  • 2-Channel Amplifier
  • Boosted Rail Technology (BRT) without switching power supply
  • Ultra-compact housing
  • MOSFET output stage
  • Bridgeable
  • High-level inputs
  • High/Low level input via 4-pin wiring harness
  • Variable 4–6 Volt high-level DC offset voltage control for turn-on
  • 12 dB/octave Butterworth crossover
  • Optional remote Punch EQ / PEQ 0 dB to +18 dB at 45 Hz
  • Optical indicators: Power/Protection, BRT (Gain)
  • Cooling: Convection
  • Operating voltage: 9–16 VDC
  • Recommended Fuse: 50 A
  • Dimensions (H x W x D): 3.90 x 10.8 x 17.2 cm
  • Cable diameter power: 6 mm²
  • Speaker cable diameter: 1.5 mm²
  • Speaker output connection: 4-pin wiring harness
  • Shipping weight: 1.27 kg
Technical Specifications
  • RMS Power: 100 Watts x 2 @ 4 Ohms
  • RMS Power: 150 Watts x 2 @ 2 Ohms
  • RMS Power: 300 Watts x 1 @ 4 Ohms bridged
  • Dynamic Power: 114 Watts x 2 @ 4 Ohms
  • Dynamic Power: 160 Watts x 2 @ 2 Ohms
  • Dynamic Power: 387 Watts x 1 @ 4 Ohms bridged
  • Frequency Response: 20 Hz – 20 kHz ±3 dB
  • Input Sensitivity: 150 mV – 11 V
  • Circuit Topology: Class BR
  • Efficiency (Average): 68 %
  • Signal Input: High/Low Level, 4-Pin wiring harness
  • Hi-Level Sensitivity: Variable DC offset sensitivity
  • High-pass: 50 Hz – 500 Hz @ 12 dB/octave Butterworth
  • Low-pass: 50 Hz – 500 Hz @ 12 dB/octave Butterworth
  • Remote Control: Optional PEQ
  • Optical indicators: Power/Protection, BRT (Gain)
  • Average current draw (13.8 V music): 23 A
  • Maximum current draw (13.8 V sine): 45 A

Frequently Asked Questions about Punch PBR300x2

What distinguishes the Rockford Fosgate Punch PBR300x2 in terms of its energy efficiency?

The Punch PBR300x2 utilizes Rockford Fosgate's patented Boosted Rail Technology (BRT) to achieve high energy efficiency. The absence of a traditional switching power supply not only allows for a more compact design, as the housing of the amplifier is significantly smaller than that of conventional models, but also enables efficient operation. The average efficiency is about 68%, which is remarkable for a product of this type. Thus, this 2-channel amplifier is ideal for applications where space is limited, such as in motorcycles or RVs.

What is the power output of the Punch PBR300x2 in stereo and bridged mode?

The Punch PBR300x2 from Rockford Fosgate delivers an RMS power of 100 watts per channel at 4 ohms and 150 watts per channel at 2 ohms in 2-channel mode. When the amplifier is used in bridged mode, it reaches a power output of 300 watts at 4 ohms. The dynamic power is 114 watts per channel at 4 ohms, 160 watts at 2 ohms, and in bridged mode, it is 387 watts. These power spectra allow for versatile applications and adaptation to different requirement profiles in audio installations.

What crossover functions does the Punch PBR300x2 offer?

The Punch PBR300x2 is equipped with comprehensive crossover control. The integrated 12dB/octave Butterworth crossover provides both high-pass and low-pass filters that are adjustable in the range of 50Hz to 500Hz. This flexible frequency adjustment allows the amplifier to be optimally matched to the speakers used and their specific requirements. This way, the sound can be precisely controlled, and the performance can be accurately adjusted to ensure the best possible audio quality.

What input signals can the Punch PBR300x2 process?

The Rockford Fosgate Punch PBR300x2 can process both high-level and low-level input signals. Thanks to the variable input sensitivity between 150 mV and 11 V and the use of a 4-pin wiring harness for signal input, high flexibility in integration into various audio systems is ensured. This facilitates integration into existing systems, including those based on OEM technology, without the need for additional adapters or complex installation methods.

How is the installation of the Punch PBR300x2 affected by its dimensions?

The compact design of the Punch PBR300x2, with dimensions of 3.90 x 10.8 x 17.2 cm, makes installation extremely flexible even in limited spaces. These features make the amplifier ideal for stealth installations, where it can be discreetly and space-efficiently housed. Additionally, it is well-suited for applications in motorcycles or RVs, where there is often little space for extensive audio systems. Its small size allows it to be hidden behind panels or under seats, seamlessly integrating into many installation scenarios.

What protection features does the Punch PBR300x2 have?

The Punch PBR300x2 from Rockford Fosgate features visual indicators for power and protection, allowing for quick and reliable checking of operational status. These indicators provide assurance that the amplifier is functioning correctly or signal warnings in case of malfunctions or overloads. The built-in protection circuit ensures a safe operating environment, protecting the amplifier from overheating or malfunctions, which is particularly important when used in demanding or frequently changing conditions.

How is the amplifier's power-on controlled in the Punch PBR300x2?

The Rockford Fosgate Punch PBR300x2 features a state-of-the-art power-on method through a variable high-level DC offset activation. This technology allows for seamless and efficient integration into any OEM system by activating the amplifier as soon as an audio signal is detected. The DC offset threshold can be set in the range of 4 to 6 volts. This automation significantly reduces installation effort, as no additional control cables or triggers are needed to activate the amplifier.

What cooling mechanisms does the Punch PBR300x2 use?

The Punch PBR300x2 features a convection-based cooling system that operates without active fans. This passive cooling design utilizes natural airflows for heat dissipation, which not only reduces the size of the amplifier but also minimizes the risk of mechanical failures due to fan damage. Combined with energy-efficient BRT technology, the cooling concept ensures that the amplifier operates reliably under heavy load without overheating. This feature is particularly advantageous in tight installation situations.

How does the Class-BR topology affect the performance of the Punch PBR300x2?

The Punch PBR300x2 employs Class-BR topology, an evolution of traditional amplifier classes, to deliver premium audio quality with high efficiency and minimal space consumption. This specific circuit topology optimizes the amplifier's power consumption and allows for more power to be extracted from a smaller enclosure. In conjunction with Boosted Rail Technology, it achieves outstanding clarity and dynamics in audio output while keeping heat generation low. This is ideal for users who do not want to compromise on powerful sound despite smaller installations.

How does using the optional Remote Punch EQ affect the sound?

With the optional Remote Punch EQ available for the Punch PBR300x2, you have the ability to boost the bass range at 45 Hz from 0 dB to +18 dB. This feature allows for personalized sound tuning tailored to individual taste and specific audio environments. The remote EQ provides you with the flexibility to modify the bass playback at any time and make adjustments, for example, if you prefer bass-heavy music styles or want to adapt the sound profile to different rooms and acoustics. This enables an even more dynamic and detailed audio playback.

Manufacturer information/responsible person

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de

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