

ROCKFORD FOSGATE
Rockford Fosgate Prime 500 Watt Class-D Mono Amplifier
The Prime R500X1D is a 500 watt mono amplifier using efficient Class-D circuit topology. This amplifier is capable of running a 2-Ohm load and includes on-board Punch Bass and remote Punch Level Control.
The R500X1D 500-watt amplifier also includes:
Are you ready for a dedicated subwoofer amplifier for your car or truck? The Prime R500X1D is the perfect companion for any Car Audio Fanatic getting into mobile audio who wants a two-amplifier system: one amp running mids/highs and the second running subwoofers. This class D mono amplifier features variable Punch Bass, variable crossovers, Pass-Thru jacks to daisy chain another amplifier, and a remote Punch Level Control for mounting under the dash or the center console.
- 12dB/octave Butterworth crossover
- RCA pass-thru outputs
- On-board Punch EQ with +18dB boost @ 45Hz
- High level inputs
- Remote PLC (Punch Level Control)
- 0°/180° Phase Switch
- 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
Punch Level Control:
When connected is linked to "gain control" to provide remote output level
When connected is linked to "gain control" to provide remote output level
Visual Indicators
Power
Protect
Protect
Power Wire Gauge
4 AWG
Power Input Connector
Screw Terminal
Speaker Wire Gauge
8 AWG
Speaker Output Connector
Screw Terminal
Cooling
Convection
Heatsink
Operating Voltage
9 - 16 VDC
Recommended Fuse
(not included)
(not included)
50 A
Average Current Draw (13.8V Music)
25 A
Max. Current Draw (13.8V Sinewave)
50 A
Suggested Alternator
75 A
Dimensional Diagram
Dimensions (H x W x D)
1.98 x 6.77 x 8.5 (in)
5.02 x 17.19 x 21.59 (cm)
5.02 x 17.19 x 21.59 (cm)
Shipping Weight
5.1 Lbs. (2.31 Kg.)
CEA-2006 Compliant

300W x 1 @ 4Ω
≤1.0% THD+N
Number of Channels
1
Total Power
(Sum of Rated Power)
(Sum of Rated Power)
500 Watts RMS
Rated Power
(RMS Continuous Power)
(RMS Continuous Power)
300 Watts x 1 @ 4-Ohms
500 Watts x 1 @ 2-Ohms
500 Watts x 1 @ 2-Ohms
Dynamic Power
(PVC/PowerCube®)
(PVC/PowerCube®)
333 Watts x 1 @ 4-Ohms 0° Res
647 Watts x 1 @ 2-Ohms 0° Res
647 Watts x 1 @ 2-Ohms 0° Res
Bridgeable
No
Frequency Response
20Hz to 250Hz +/-1dB
Input Sensitivity
150 mV to 4 V
Circuit Topology Class
Class D
Efficiency (average)
89% @ 4-Ohm
Total Harmonic Distortion (THD+Noise)
4-Ohm: <1.0%
2-Ohm: <1.0%
2-Ohm: <1.0%
Signal Input
High Level: 4-pin molex
Low Level: 1 RCA Pair
Low Level: 1 RCA Pair
Signal Output
Low Level: 1 RCA Pair
Tone Controls
Punch Bass: 0dB to +12dB @ 45Hz
Phase Control: Variable 0° to 180°
Phase Control: Variable 0° to 180°
Crossover Controls
Low-Pass (LP): 50Hz to 250Hz @ 12dB/octave Butterworth