Rockford Fosgate PUNCH 300W BRT Full-Range 4-Channel Amplifier / PBR30 — Big Jeff Audio Dealer Platform
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Welcome To The Dealer Platform


  • Compact Powerhouse: With 300 watts of total power output, experience high-quality audio performance in a sleek and space-saving design.
  • Crystal-Clear Sound: From soaring highs to deep lows, enjoy exceptional clarity and fidelity across all frequencies for an immersive listening experience.
  • Bridgeable Rail Technology (BRT): This innovative technology optimizes power delivery, maximizing performance while conserving energy for efficient operation.
  • Built to Last: Engineered with integrated thermal management and durable construction, ensuring longevity and reliability even under demanding conditions.
  • Elevate Your Drive: Upgrade your car audio system with the Rockford Fosgate PUNCH 300W BRT Amplifier and transform every journey into a concert-like experience on wheels.

Rockford Fosgate PUNCH 300W BRT Full-Range 4-Channel Amplifier / PBR300X4


This Listing Contains:

  • (1) PBR300X4 300W BRT Full-Range Amplifier


The Rockford Fosgate PUNCH 300W BRT Full-Range 4-Channel Amplifier, also known as the PBR300X4, is the epitome of power and precision in car audio. With its compact design and impressive 300 watts of total power output, this amplifier is engineered to elevate your in-car listening experience to new heights. Whether you're a casual listener or an audiophile seeking top-tier sound quality, the PUNCH amplifier delivers crystal-clear audio across all frequencies, from crisp highs to thunderous lows. Its advanced Bridgeable Rail Technology (BRT) ensures efficient power delivery, maximizing performance while minimizing energy consumption. Plus, with its sleek and durable construction, including integrated thermal management, this amplifier is built to withstand the demands of daily use while maintaining optimal performance. Upgrade your car audio system with the Rockford Fosgate PUNCH 300W BRT Amplifier and enjoy unparalleled sound quality and clarity on every journey.


  • MOSFET output stage

  • High level inputs

  • Ultra compact chassis

  • 2/4 channel input switch

  • 12dB/octave Butterworth crossover

  • 1 Year Warranty

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


  • Number of Channels: 4

  • Total Power: 300W

  • Rated Power: 75W x 4 @ 4 Ohm (This amplifier is only capable of operation at 4 Ohm)

  • Dynamic Power: 84W x 4 @ 4 Ohm (This amplifier is only capable of operation at 4 Ohm)

  • Frequency Response: 20Hz - 20kHz +/- 1dB

  • Input Sensitivity: 150 mV - 11 V

  • Efficiency: 55% @ 4 Ohm


  • 1.53 x 4.25 x 6.75 (in)

  • 3.88 x 10.79 x 17.14 (cm)

Payment Information


We accept PayPal for all ebay orders. You can use your credit through PayPal as all major credit card are accepted by PayPal.

We accept PayPal for all international orders, your address must be verified with PayPal.

We are not responsible for any custom duties or brokerage fees that may apply for all international orders.

When you click on the Buy it Now button you are entering into a
contract whereby you agree to purchasing the item at the price listed.

If you want to ship your item to an alternate address please add
that address on your PayPal account and use the address as the default
or confirmed address to pay us through PayPal

With Free Same Business Day Shipping we work to get you your order Fast. 


All orders over $500 will require a signature for delivery.

All pre-selected shipping rates and methods are for customers with a
valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

P.O. Boxes, APO/FPO addresses, Alaska, Hawaii, Puerto Rico, Guam,
U.S. Virgin Islands, Northern Mariana Islands, American Samoa, Canada,
and other countries may require additional shipping fees. Please contact
a member of our team for detailed shipping charges.

Shipping is available only to PayPal verified addresses. When making
payment please confirm your address has been verified with PayPal. Once
payment is made shipping address can not be changed/altered. Payments
made using an unverified PayPal address will be refunded and order will
be canceled.

We will not accept request to change shipping address once payment
has been made. Please confirm your shipping address is up-to-date and

Typical handling time for orders is 1-business day. We do our best
to ship every package with-in 1 business day of receiving a cleared
payment. In some circumstances additional time may be need, in which
case we will contact buyer.

Shipped orders that are returned by the shipping company due to an
insufficient address or an undeliverable address will be refunded less a
20% restocking fee.

If package is refused or marked undeliverable and returned
back to us by the carrier, you will need to pay the shipping cost in
full to have the package sent back to you or we can refund the money
minus the cost of shipping


If you have not received your package, but the tracking information shows that it was delivered,
please do the following within 36 hours of expected, stated delivery:


Verify the shipping address on the order is the address where you are looking for the package

Look for a notice of attempted delivery

Look around the delivery location for the package, or see if a neighbor has accepted the delivery

Be sure to double check your mailbox and other usual spots for package delivery


If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.