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    R250-4

    250 Watt 4-Channel Amplifier R250-4

    The Prime R250-4 is a 250 watt 4-channel amplifier capable of running 2-Ohms stereo on all channels and 4-Ohms bridged/mono on the rear channels. Includes on-board Punch Bass and front/rear crossover controls.

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    Discontinued
    Overview Technologies Specifications Support Accessories Wiring Wizard
    Overview

    The Prime R250-4 is a 4-Channel amplifier perfect for any Car Audio Fanatic getting into mobile audio wanting a single amplifier to run a complete audio system. This amplifier features variable Punch Bass to tune low frequencies, variable crossovers to either protect your high frequency speakers or feeding only bass to your subwoofers, and Pass-Thru jacks for daisy-chaining another amplifier.

    • MOSFET power supply
    • Punch Bass EQ
    • 12dB/octave Butterworth crossover
    • 4 Gauge power/ground connections with built-in ATC fusing
    • 1 Year Warranty
    Technologies
    CEA-2006 Compliant
    CEA-2006 Compliant

    Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's ...

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    CEA-2006 Compliant
    CEA-2006 Compliant

    Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's output power ratings are REAL POWER numbers, not inflated marketing ratings.

    P.O.W.E.R.

    Power supply and output design that allows the amplifier to increase power output as voltage increases.

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    P.O.W.E.R.

    Power supply and output design that allows the amplifier to increase power output as voltage increases.

    Class A/B
    Class A/B

    An amplifier topology with the best of both worlds; a Class A preamp and Class B ...

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    Class A/B
    Class A/B

    An amplifier topology with the best of both worlds; a Class A preamp and Class B output stage.

    Specifications
    CEA-2006 Compliant
    CEA-2006 Guidelines
    Number of Channels
    4
    Total Power
    (Sum of Rated Power)
    250 Watts RMS
    Rated Power
    (RMS Continuous Power)
    40 Watts x 4 @ 4-Ohms
    65 Watts x 4 @ 2-Ohms
    125 Watts x 2 @ 4-Ohms Bridged
    Dynamic Power
    (PVC/PowerCube®)
    Bridgeable
    Yes
    Frequency Response
    20Hz to 20kHz +/-1dB
    Input Sensitivity
    Circuit Topology Class
    Class A/B
    Efficiency (average)
    60% @ 4-Ohm
    55% @ 2-Ohm
    Total Harmonic Distortion (Thd+Noise)
    Signal Input
    Low Level: 2 RCA Pair
    Signal Output
    n/a
    Tone Controls
    Punch Bass: 0dB/+6dB/+12dB @ 45Hz
    Crossover Controls
    Front Channels
    High-Pass (HP): 80Hz Fixed @ 12dB/octave Butterworth
    Low-Pass (LP): 50Hz-250Hz @ 12dB/octave Butterworth

    Rear Channels
    High-Pass (HP): 80Hz Fixed @ 12dB/octave Butterworth
    Low-Pass (LP): 50Hz-250Hz @ 12dB/octave Butterworth
    Remote Controls
    n/a
    Visual Indicators
    Power
    Protect
    Power Wire Gauge
    4 AWG
    Power Input Connector
    Barrier Strip
    Speaker Wire Gauge
    8 AWG
    Speaker Output Connector
    Barrier Strip
    Cooling
    Convection
    Heatsink
    Operating Voltage
    Recommended Fuse
    (Not Included)
    Average Current Draw (13.8V Music)
    Max. Current Draw (13.8V Sinewave)
    Suggested Alternator
    Dimensional Diagram
    Dimensions (H x W x D)
    2.4 x 7.7 x 11.6 (in)
    6.1cm x 19.6cm x 29.4cm (cm)
    Shipping Weight
    6 Lbs.
    (2.72 Kg.)
    Compatibility
    Support

    Knowledge Base Articles


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    Return Authorization

    Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate. You are responsible for shipment of product to Rockford.


    View Process

    Return Authorization Process



    Diagnose First

    Prior to requesting an RA, try to diagnose the failure. Many products we receive are sent back with No Trouble Found, usually due to incorrect installation. Use our RFTECH:Knowledge Base for troubleshooting assistance.



    Contact Customer Support

    Please call us during normal business hours at 1-800-669-9899 (option #1) and be prepared with the following information:

    • First and Last Name with complete Shipping Address
    • Product Name (T0D415)
    • Serial Number (12 or 13 digit number)
    • Failure Diagnosis (no output, no power LED, etc.)
    • Scanned copy of Original Receipt emailed to cs.support@rockfordcorp.com (dealer name, purchase date, and item purchased must be legible)
    • Credit/Debit Card (if paying for out-of-warranty claims)
    • No money orders or checks.


    Shipping Instructions

    When shipping your product, your package MUST have the following information:

    • RA# Printed Outside of Box (as large as possible)
    • Copy of Original Receipt


    Shipping Address

    Ship your product (UPS or FedEx preferred) to the following:


    Rockford/ AJR International
    300 Regency DR
    Glendale Heights, IL 60139
    RA#:_______________________
    Accessories

    8 AWG Complete Installation Kit

    RFK8X
    read more...

    4 AWG Positive/Negative Battery Terminal

    RFDB4
    read more...
    Wiring Wizard

    Available Wiring Diagrams

    Please consult your amplifier owner's manual for lowest recommended impedance.





















    Speaker Polarity

    Your woofer may use one of the following to identify (+/-) terminals.

    Positive +

    Red Post

    Purple (4Ω)

    Red (8Ω)

    Negative -

    Black Post

    No Dot

    No Dot

    FAQ

    Determining power needed for speakers

    Prevent blowing your subwoofers

    Temperature differences between subwoofer voice coil types

    Differences between SVC and DVC subwoofers

    Speaker Polarity

    Your woofer may use one of the following to identify (+/-) terminals.

    Positive +

    Red Post

    Purple (4Ω)

    Red (8Ω)

    Negative -

    Black Post

    No Dot

    No Dot

    FAQ

    Determining power needed for speakers

    Prevent blowing your subwoofers

    Temperature differences between subwoofer voice coil types

    Differences between SVC and DVC subwoofers

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