ROCKFORD FOSGATE
Rockford Fosgate Prime 250 Watt 4-Channel Amplifier
The Prime R250X4 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.
The Prime R250X4 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 selectable Punch Bass to tune low frequencies, variable crossovers to either protect your high frequency speakers or feeding only bass to your subwoofers.
- 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
- 1 Year Warranty
Remote Controls
-
Visual Indicators
Power/Protect LED
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
9 - 16 VDC
Recommended Fuse
(not included)
(not included)
50 A
Average Current Draw (13.8V Music)
20 A
Max. Current Draw (13.8V Sinewave)
40 A
Suggested Alternator
75 A
Dimensional Diagram
Dimensions (H x W x D)
1.98 x 6.77 x 11.22 (in)
5 x 17.2 x 28.5 (cm)
5 x 17.2 x 28.5 (cm)
Shipping Weight
7 Lbs. (3.17 Kg.)
CEA-2006 Compliant
CEA-2006 Power Rating40W x 4 @ 4Ω
≤1.0% THD+N
Number of Channels
4
Total Power
(Sum of Rated Power)
(Sum of Rated Power)
250 Watts RMS
Rated Power
(RMS Continuous Power)
(RMS Continuous Power)
40 Watts x 4 @ 4-Ohms
60 Watts x 4 @ 2-Ohms
125 Watts x 2 @ 4-Ohms Bridged
60 Watts x 4 @ 2-Ohms
125 Watts x 2 @ 4-Ohms Bridged
Dynamic Power
(PVC/PowerCube®)
(PVC/PowerCube®)
54 Watts x 4 @ 4-Ohms 0° Res
82 Watts x 4 @ 2-Ohms 0° Res
82 Watts x 4 @ 2-Ohms 0° Res
Bridgeable
Yes
Frequency Response
20Hz to 20kHz +/-1dB
Input Sensitivity
150 mV to 4 V
Circuit Topology Class
Class A/B
Efficiency (average)
64% @ 4-Ohm
Total Harmonic Distortion (THD+Noise)
4-Ohm: <1.0%
2-Ohm: <1.0%
2-Ohm: <1.0%
Signal Input
Low Level: 2 RCA Pair
High Level: 2 x 4-pin MOLEX
High Level: 2 x 4-pin MOLEX
Signal Output
-
Tone Controls
Punch Bass: 0dB/+6dB/+12dB @ 45Hz
Crossover Controls
Front Channels
High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth
Rear Channels
High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth
High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth
Rear Channels
High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth