Punch 300 Watt Mono Amplifier

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$239.99 USD
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The PBR300X1 is a mono 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. Great for motorcycles and recreational vehicles.


  • MOSFET output stage

  • 12dB/octave Butterworth crossover

  • High level inputs

  • Ultra compact chassis

  • Variable 4-6 volt hi level DC offset voltage input turn-on control

  • Cta-2006 Compliant

    -Number of Channels
    -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
    96 Watts x 1 @ 4-Ohm
    189 Watts x 1 @ 2-Ohm
    326 Watts x 1 @ 1-Ohm
    -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
    1/0 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 (+)

    -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.)

Shipping Information

Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.

Lead times

-In-Stock: product will ship in 2-5 Business days.

-Out of Stock: product is not available

-Backordered: product can be ordered but can take 30-90 days. Factors can be: order demand and/or parts availability.

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We would love to have you stop by our shop and answer any questions you may have on a product or your project! Schedule your visit below :

How your signal is delivered Matters !

Audiophile quality signal built with the highest quality materials at the best price! Zero to no resistance means les heat and a better signal.

What Is High Level or Low level?

High level : AKA Speaker level is an amp that can handle an input voltage of 8-40v. This high output is common in factory amplified vehicles or where the
max voltage of a head unit is more then 10v. This is normally identified by a pigtail connection point or via the RCA on the amplifier (must check user manual to verify.) Some amps have a switch for this. NOT all amps have this future.

Low Level : is 0-8v of signal voltage. This is most commonly found inaftermarket head units. or other aftermarket units that use can-bus. Most passive LOC units output 0-5v so they are considered a low level and are normally RCA to RCA. Modern day ACTIVE LOC units can output 0-10v of signal.

In conclusion an LOC works as an in line filter that lest you control the signal, its intercity and in some cases the playable frequency range.

If your amp takes a high level and it is within the vehicles factory output range then you dont need an loc unit and can wire in and out of your amp
directly. In some fords the signal can be flattened at the OB2 furthering the simplification of the installation.

see what else we have ..