Rockford Fosgate - R1-HD4-9813 - Prime 160 Watt 4-Channel Motorcycle System

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Prime 160 Watt 4-Channel Motorcycle System

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.

  • 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 Standard Warranty


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.

*Not compatible with some CVO™ and Screaming Eagle™ Harley-Davidson motorcycle models.

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



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

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