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Rockford Fosgate R250-4

250W RMS 4-Channel PRIME Series Class A/B Car Amplifier

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Prime Series Full Range Class A/B 4-Channel Car Amplifier • 4 ohm: 40 watts x 4 chan. • 2 ohm: 65 watts x 4 chan. • Bridged, 4 ohm: 125 watts x 2 chan. • MOSFET Power Supply •

Learn more about the r2504

Good news and a little bad...

This item has been discontinued

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r250x4 thumbnail

Rockford Fosgate Prime R250X4

OUR PRICE: $119.95

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Product Highlights


Prime Series Full Range Class A/B 4-Channel Car Amplifier • 4 ohm: 40 watts x 4 chan. • 2 ohm: 65 watts x 4 chan. • Bridged, 4 ohm: 125 watts x 2 chan. • MOSFET Power Supply •

Description


Rockford Fosgate brand icon

Authorized dealer

Prime Certified Power

There is no better feeling than getting exactly what you paid for. This will always be the case with Rockford Fosgate's R250-4 4-channel amplifier. This CEA-2006 compliant amplifier will give you the rated power output each and every single time, making you feel like your money was well spent. The variable high-pass crossover and variable bass boost will allow for more control of your music to be set at your personal preferences. Rockford Fosgate is well known for making great products and this amplifier is no exception. The heavy duty cast aluminum alloy heatsink will help reduce heat and lower distortion levels or possible thermal overload. This will keep your amplifier running smooth and safely during any listening session. So if you are looking for a reliable, and efficient 4-channel amplifier without breaking the bank, then the R250-4 is the perfect amplifier for you.

  • Prime Series Full Range Class A/B 4-Channel Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 40 watts x 4 chan.
    • 2 ohm: 65 watts x 4 chan.
    • Bridged, 4 ohm: 125 watts x 2 chan.
  • MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +12 dB bass boost at 45 Hz)
  • Punch bass EQ
  • Soft Start Turn-on
  • 4/3/2 Channel operation
  • Heavy duty cast aluminum alloy heatsink for extreme heat dissipation
  • Nickel-plated RCA level inputs
  • Nickel-plated screw terminals
  • Variable high-pass filter (80 Hz fixed)
  • Variable low-pass filter (50-250 Hz, 12 dB/octave)
  • CEA-2006 compliant amplifier
  • Dimensions: 11-2/3"L x 7-7/10"W x 2-4/10"H
  • 8-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year SonicElectronix.com warranty

Product history:

Rockford Fosgate R250X4 thumbnail
(newest, current model)
Rockford Fosgate R250-4 thumbnail
(previous model, replaced by Rockford Fosgate Prime R250X4)

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
40 watts x 4 channel
RMS Power @ 2 ohms
65 watts x 4 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
125 watts x 2 channel
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
4-Channel
Total RMS Power Output
250 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
1.0%
Speaker Level Inputs
No
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
80 Hz Fixed
Low-Pass Crossover Frequency
50 - 250 Hz
Bass Boost
0 - 12 dB
Remote bass/level controller
No
Fuse Rating
25A x 2 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

R250-4

Weight:

5.50lbs

Internal SKU:

r2504

Internal Product ID:

43422

Product and How-to Videos


  • 3Sixty3 Aftermarket Setup Wizard Tutorial
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews


Rockford Fosgate R250-4 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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nice amp

surprising clean sound, very satisfied. hooked up to 2 sets of kenwood components. thanks sonic

By cable guy on February 22, 2013

3 found this helpful




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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.