We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Compact black car amplifier with finned heatsink and terminal panel

Rockford Fosgate

Rockford Fosgate PBR300X2 300W 2-channel car amplifier

SKU CH-M236-8P618

Compact 2-channel car amplifier delivering 100 watts RMS per channel at 4 ohms, 150 watts at 2 ohms, and 300 watts bridged at 4 ohms with CEA-2006 compliance

  • TypeAmplifiers
  • Features2-channel car amplifier with Boosted Rail amp technology
  • Delivers 300 watts RMS total power for compact subwoofer systems
  • 100 watts RMS per channel at 4 ohms for clear sound
  • 150 watts RMS per channel at 2 ohms for greater output
  • 300 watts RMS bridged at 4 ohms for single-sub flexibility
  • CEA-2006 compliant ratings ensure verified performance figures

Compact 2-channel amplifier

The Rockford Fosgate PBR300X2 is a compact 2-channel car amplifier designed for subwoofer systems in space-limited installations. It delivers 100 watts RMS per channel at 4 ohms and 150 watts RMS per channel at 2 ohms. Bridged operation provides 300 watts RMS into a 4-ohm load for single-subwoofer setups.

CEA-2006 compliant thermal management

CEA-2006 compliance confirms the rated output figures under standardised test conditions. Dynamic Thermal Management regulates operating temperature during extended playback sessions. Boosted Rail amp technology supports the power delivery while differential-balanced inputs reject noise from the vehicle electrical system.

Flexible wiring and filter options

Preamp and speaker-level inputs simplify integration with factory or aftermarket head units. Variable high- and low-pass filters adjust between 50 and 500 Hz at 12 dB per octave. An optional wired PEQ remote adds 0-18 dB boost at 45 Hz and 0-12 dB at 12 kHz. Installation requires 10-gauge power and ground leads with a 30-amp fuse; no onboard fuses are fitted so an additional in-line fuse is recommended when multiple amplifiers share a distribution block.

Highlights

  • Delivers 300 watts RMS total power for compact subwoofer systems
  • 100 watts RMS per channel at 4 ohms for clear sound
  • 150 watts RMS per channel at 2 ohms for greater output
  • 300 watts RMS bridged at 4 ohms for single-sub flexibility
  • CEA-2006 compliant ratings ensure verified performance figures

Specifications

BrandRockford Fosgate
TypeAmplifiers
Features2-channel car amplifier with Boosted Rail amp technology

Questions about this item

How do I install the Rockford Fosgate PBR300X2 and what wiring step do people often miss?

Use 10-gauge power and ground leads with a 30-amp fuse near the battery. When running multiple amps, add a second 30-amp in-line fuse between the distribution block and this amplifier — that extra fuse is the step most installers forget.

What maintenance or replacement will the PBR300X2 need over time?

The amplifier has no onboard fuses, so the only replaceable item is the external 30-amp in-line fuse on the power wire. Check that fuse and the wiring connections periodically; the Dynamic Thermal Management cooling system has no filters or moving parts to service.

What limit appears first when I push the PBR300X2 hard for long periods?

Thermal protection engages first. The Dynamic Thermal Management system reduces output before the amp shuts down, so sustained high-power use at 1- or 2-ohm loads will hit thermal limits before the 300-watt RMS rating is exceeded.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.