Prime Harley-Davidson® 160 Watt 4-Channel System (1998-2013) R1-HD4-9813

The PRIME R1-HD4-9813 is a 4-channel 160 Watt speaker system designed specifically for motorcycles. "Closed loop" design precisely matches amplifier with speaker for optimized output and reliability.

• This model replaced by the HD9813RG-STAGE2 and HD9813SG-STAGE2

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The PRIME R1-HD4-9813 is a 4-channel 160 Watt complete kit designed specifically for 1998 - 2013 Harley-Davidson® motorcycles*. This "Closed loop" design is a precisely matched (using equalization and gain) amplifier and speaker system for optimized output and reliability. Includes pass-thru outputs for future expansion of audio system by sending signal down to another audio component.

Harley-Davidson® is a registered trademark of Harley-Davidson Motor Company.

  • Complete motorcycle kit
  • Fits 1998-2013 Harley-Davidson® factory 4-speaker systems
  • Optimized EQ, crossover and gain
  • Three position output level control
  • Pass-Thru output for future system expansion
  • 2/4 channel input switch
  • Extruded aluminum heatsink
  • Fan cooled
  • Short circuit protection
  • Thermal protection
  • Multiple mounting options
  • Includes all harnesses and hardware for full installation
  • 1 Year Warranty

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

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

Operating Voltage
9-16 VDC
Dimensions (H x W x D)
1.4 x 4.2 x 8.6 (in)
3.6 x 10.74 x 21.96 (cm)
Max. Current Draw (13.8V Sinewave)
14 A
Dimensional Diagram
CEA-2006 Compliant
CEA-2006 Guidelines
Ouput Level Control
Selectable -3dB, 0dB, +3dB
Internally Fan Cooled
Circuit Topology Class
Class A/B
Fuse Rating
15 A (mini ATM)
Speaker Diameter
5.25" (133 mm)
Rated Power
(RMS Continuous Power)
40 Watts x 4 @ 2-Ohm
Speaker Configuration
Number of Channels
Tone Controls
Signal Input
High Level: 4-pin harness
Power Input Connector
3-pin wiring harness
Power Wire Gauge
14 AWG
Remote Controls
Visual Indicators
Power (Blue)
Speaker Output Connector
wiring harness
Speaker Wire Gauge
18 AWG
Frequency Response
80Hz to 16kHz +/-1dB
Shipping Weight
11.5 Lbs.
(5.2 Kg.)
Dynamic Power
Efficiency (average)
Included In The Box
- 4-ch. Class-A/B Amp
- Four 5.25" Speakers
- Amp Mounting Bracket
- Power Harness
- Input Harness
- Output Harness
- Screws
- Zip Ties
- Velcro Pad
- Batwing Grille Badge
Average Current Draw (13.8V Music)
7 A
Nominal Impedance
(dB @ 1 watt/1 meter)
88 dB
Speaker Depth
2.10" (53.3 mm)
Total Power
(Sum of Rated Power)
160 Watts RMS
Crossover Controls
Internally Fixed
Signal Output
Pass-Thru: 4-pin harness
Heat Sink Type
Extruded Aluminum
Vehicle Compatibility

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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.

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