Rockford Fosgate R1-HD4-9813Prime Harley-Davidson® 160 Watt 4-Channel System (1998-2013)
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
Highlights
- 1 Year Warranty
- Extruded aluminum heatsink
- Thermal protection
- Complete motorcycle kit
Key specs
Full specs- Rated Power (RMS Continuous Power)
- 40 Watts x 4 @ 2-Ohm
- Operating Voltage
- 9-16 VDC
- Fuse Rating
- 15 A (mini ATM)
- Speaker Diameter
- 5.25" (133 mm)
- Speaker Configuration
- 2-way
- Number of Channels
- 4
- Tone Controls
- —
- Power Input Connector
- 3-pin wiring harness
Key specs
Full specs- Rated Power (RMS Continuous Power)
- 40 Watts x 4 @ 2-Ohm
- Operating Voltage
- 9-16 VDC
- Fuse Rating
- 15 A (mini ATM)
- Speaker Diameter
- 5.25" (133 mm)
Highlights
Overview- 1 Year Warranty
- Extruded aluminum heatsink
- Thermal protection
Overview
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
Highlights
Key features
- 1 Year Warranty
- Extruded aluminum heatsink
- Thermal protection
- Complete motorcycle kit
- Multiple mounting options
- Includes all harnesses and hardware for full installation
- 2/4 channel input switch
- Pass-Thru output for future system expansion
- Three position output level control
- Optimized EQ, crossover and gain
- Fan cooled
- Short circuit protection
More info
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.
Technologies

Class-A/B
Class-A topologies area great for sound quality but can require alot of current. Class-B designs are great for
Specs
Specifications
33
| Rated Power (RMS Continuous Power) | 40 Watts x 4 @ 2-Ohm |
| Operating Voltage | 9-16 VDC |
| Fuse Rating | 15 A (mini ATM) |
| Speaker Diameter | 5.25" (133 mm) |
| Speaker Configuration | 2-way |
| Number of Channels | 4 |
| Tone Controls | — |
| Power Input Connector | 3-pin wiring harness |
| Power Wire Gauge | 14 AWG |
| Signal Input | High Level: 4-pin harness |
| Remote Controls | — |
| Visual Indicators | Power (Blue) Protect |
| Speaker Output Connector | wiring harness |
| Speaker Wire Gauge | 18 AWG |
| Frequency Response | 80Hz to 16kHz +/-1dB |
| Shipping Weight | 11.5 Lbs. (5.2 Kg.) |
| Efficiency (average) | — |
| Dynamic Power (PVC/PowerCube®) | — |
| Ouput Level Control | Selectable -3dB, 0dB, +3dB |
| Max. Current Draw (13.8V Sinewave) | 14 A |
| Signal Output | Pass-Thru: 4-pin harness |
| Nominal Impedance | 2-Ohms |
| Sensitivity(dB @ 1 watt/1 meter) | 88 dB |
| Speaker Depth | 2.10" (53.3 mm) |
| Heat Sink Type | Extruded Aluminum |
| Cooling | Internally Fan Cooled |
| Total Power (Sum of Rated Power) | 160 Watts RMS |
| 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 |
| Bridgeable | — |
| Average Current Draw (13.8V Music) | 7 A |
| Circuit Topology Class | Class A/B |
| Crossover Controls | Internally Fixed |
| Dimensions (H x W x D) | 1.4 x 4.2 x 8.6 (in) 3.6 x 10.74 x 21.96 (cm) |
What's in the box
| Qty | Part number | Item details |
|---|---|---|
| — | — | - 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 |
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Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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