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Rockford Fosgate Prime R300-4 300-Watt
Multi-Channel Amplifier
Price :
Check Price
Average Customer Rating
4.7 out of 5
Product Feature
q Four-channel amplifier delivers 75 watts at 2 ohms,
50 watts at 4 ohms, 150 watts at 4 ohms bridged
mono
q Selectable high-pass crossover at 80Hz or variable
low pass crossover at 50Hz-250Hz, both with
12dB/octave slope
q Punch Bass adjustable bass level control of
0dB/+6dB/+12dB centered at 45Hz
q RCA inputs for signal level input and pass-through
jacks for system building
q The input gain control is preset to match the
output of most source units
q Read more
Product Description
Rockford Fosgate Prime 300 Watt Multi-channel amplifer with on-board adjustable crossover, gain control.
Amplifier features unregulated power supply, and on board Punch bass. CEA Certified RMS Power Rating 50
watts x4 @ 4 Ohms, 75 watts x4 @ 2 Ohms, 150 watts x2 @ 4 Ohms Briged. Visit www.RockfordFosgate.com 24
hours a day for technical support or call (800)669-9899 M-F 7 am to 5 pm MST. Read more
Product Description
Rockford Fosgate amplification at an unbelievable value. The R300-4 4-channel amplifier is so versatile, it will
be the only amplifier your system needs. Full-range or component speakers on the front channels and a single
R1S410 10" or R1S412 12" woofer bridged/mono on the rear. Consider your system clean, loud and done.

2. Rockford Fosgate Prime Series
Amplification
A new generation of performance geared
toward the "novice" car audio enthusiast or first
time buyer. The Prime series amplifiers feature
legendary Rockford Fosgate power, controls,
and functions while fitting into any budget. Now
more than ever, it's easy to get Rockford
Fosgate amplifier DNA into your car audio
system.
Rockford Fosgate amplification at an unbelievable value.
Click to enlarge.
RCA inputs and pass-through jacks.
Click to enlarge.
R300-4 Features
Power and Protect LEDs
The Protect LED illuminates if a short circuit or to low of an impedance is detected at the speaker connections.
The amplifier will automatically shut down if this occurs.
RCA Input Jacks
The industry standard RCA jacks provide an easy connection for signal level input. They are nickel-plated to
resist the signal degradation caused by corrosion.
Gain Control
The input gain control is preset to match the output of most source units.
Crossover Switch
Selectable switch for 80Hz High-Pass (HP), All Pass (AP), or Low-Pass (LP) operation.
Variable Crossover (Low Pass Only)
A built-in 12dB/octave Butterworth filter with a crossover point variable from 50Hz to 250Hz.

3. Punch Bass
The Punch Bass control provides a bass boost up to 12dB @ 45Hz. Adjustable between 0dB, +6dB and +12dB.
R300-4 Specifications
Number of Channels: 4
Rated Power: 50 Watts RMS x 4 @ 4-Ohms
75 Watts RMS x 4 @ 2-Ohms
150 Watts RMS x 2 @ 4-Ohms Bridged/Mon
Total Power: 300 Watts
Dynamic Power: Front Channels:
62 Watts x 2 @ 4-Ohms 0 degrees Res
98 Watts x 2 @ 2-Ohms 0 degrees Res
Front Channels:
61 Watts x 2 @ 4-Ohms 0 degrees Res
89 Watts x 2 @ 2-Ohms 0 degrees Res
Bridgeable: Yes
Efficiency (average): 59% @ 4-Ohm
49% @ 2-Ohm
Crossover Controls: Front Channels
High-Pass (HP): 80Hz @ 12dB/octave Butterworth
Low-Pass (LP): 50Hz-250Hz @ 12dB/octave Butterworth
Rear Channels
High-Pass (HP): 80Hz @ 12dB/octave Butterworth
Low-Pass (LP): 50Hz-250Hz @ 12dB/octave Butterworth
Tone Controls: Front Channels
Punch Bass: 0dB/+6dB/+12dB @ 45Hz
Rear Channels
Punch Bass: 0dB/+6dB/+12dB @ 45Hz
Function works when crossover in (LP) position
Signal Input: Low Level: 2 RCA pair
Signal Output: n/a
Power Input Connector: Screw terminal barrier strip
Power Wire Gauge: 4 AWG
Speaker Output Connector: Screw terminal barrier strip
Speaker Wire Gauge: 8 AWG
Heat Sink Type: Extruded aluminum
Cooling: Convection
Remote Controls: n/a
Visual Indicators: Power
Protect
Circuit Topology Class: Class A/B

4. Frequency Response: 20Hz to 20kHz +/- 1dB
Shipping Weight: TBA
Dimensions (HxWxL): 2.40 x 7.67 x 17.09 (in)
6.10 x 19.49 x 43.40 (cm)
Thirty Years of Rockford Fosgate
Rockford Fosgate products have been designed and engineered in Tempe, Arizona since the beginning.
Rockford's 30 year reputation is grounded in engineering and manufacturing some of the finest audio products
in the world. The company's no-compromise approach has yielded patented iconic products such as the Punch
EQ, Punch 45 amplifier and the 3Sixty integrated signal processor. Today, Rockford's new products push the
performance envelope even further. Each new product is a step forward--they sound bigger, they play louder,
and run longer. Rockford never settles for "good enough."
The 2010 product line represents the company's core philosophy. Rockfords new amplifiers, speakers and
subwoofers have raised the bar on the competition.
What's in the Box
Rockford Fosgate Prime R300-4 150 Watt Stereo Amplifier, User's Manual
Need More Amp?
Step up to the Punch Series P400-4 or the Power Series T400-4 (both 400-watt multi-channel amps) or check
out the many other Rockford options.
Rockford Fosgate Prime Series Amplification
Rockford Fosgate Prime R150-2 150 Watt Rockford Fosgate Prime R300-4 300 Watt Rockford Fosgate Prime R250-1 250 Watt Rockford Fosgate Prime R500-1 500 Watt Rockford Fosgate Prime R1000-1D 1000
Stereo Amplifier Multi Channel Amplifier Mono Amplifier Mono Amplifier Watt Mono Amplifier
Read more
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