Rockford Fosgate R300X4 300 Watt 4 Channel Amplifier

Rockford Fosgate R300X4 300 Watt 4 Channel Amplifier

Rockford Fosgate

  • $188.99
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Number of Channels: 4
Rated Power
(RMS Continuous Power): 50 Watts x 4 @ 4-Ohm
75 Watts x 4 @ 2-Ohm
150 Watts x 2 @ 4-Ohm Bridged
Total Power
(Sum of Rated Power): 300 Watts RMS
Dynamic Power
(PVC/PowerCube®): 76 Watts x 4 @ 4-Ohms 0° Res
100 Watts x 4 @ 2-Ohms 0° Res
Bridgeable: Yes
Frequency Response: 20Hz to 20kHz +/-1dB
Efficiency (average): 69% @ 4-Ohm
Total Harmonic Distortion (THD+Noise): 4-Ohm: <1.0%
2-Ohm: <1.0%
Crossover Controls: Front Channels
High-Pass/Low-Pass (HP/LP): 50-250Hz @ 12dB/octave Butterworth

Rear Channels
High-Pass/Low-Pass (HP/LP): 50-250Hz @ 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
Input Sensitivity: 150 mV - 4 V
Signal Input: Low Level: 2 RCA pair
Signal Output: -
Power Input Connector: Screw terminal

12dB/octave Butterworth crossover
0/6/12 dB On Board Punch EQ Control
2/4 channel input switch
High Level Input (4-pin)
Separate Front and Rear Gain Control
Real time output and power supply thermal sensing
Cast aluminum heatsink
4 Gauge power/ground connectors
MOSFET power supply
Over current protection
Short circuit protection
Muted turn on


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