Waterproof Motorcycle Bluetooth Stereo System
Thank you for choosing the GoHawk RD8-X Waterproof Motorcycle Bluetooth Stereo System. This manual provides detailed instructions for the proper installation, operation, and maintenance of your new audio system. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.
IMPORTANT NOTES:
Please verify that all items listed below are included in your package:

Image: All components included in the GoHawk RD8-X package, along with a wiring diagram.
The GoHawk RD8-X is a compact and powerful audio system designed for powersports vehicles. It features a full-body aluminum housing for durability and advanced IP56 water resistance. The system integrates two high-performance 2.5" full-range speakers and a 300W peak power amplifier. A hidden LED display shows FM radio frequency and mode functions.

Image: The GoHawk RD8-X soundbar mounted on a motorcycle handlebar, displaying a radio frequency.

Image: The GoHawk RD8-X unit with visual indicators for its key features: Bluetooth Wireless, FM Radio, USB Port, and AUX IN.

Image: A close-up view highlighting the durable aluminum housing of the GoHawk RD8-X speaker.
The GoHawk RD8-X is designed for handlebar mounting. The mounting clamps support handlebar sizes from 7/8" to 1.25". The overall 5.5" long mounting hardware allows for horizontal and vertical adjustment to fit various handlebar shapes.

Image: Diagram illustrating the adjustable mounting mechanism of the GoHawk RD8-X, showing how the speaker can be angled.

Image: Technical drawing showing the dimensions of the GoHawk RD8-X speaker (8.5" L x 2.75" Diameter) and its mounting hardware (5.5" L, clamps for 7/8" to 1 1/4" handlebars).
The system comes with all necessary wiring for easy installation. It requires a standard 12V power connection.

Image: A close-up view of the braided cable connected to the GoHawk RD8-X, indicating durable wiring.
The GoHawk RD8-X features a backlit 4-button design for easy navigation of system functions.
The system supports Bluetooth 5.0 for wireless music streaming.
The built-in FM radio allows you to listen to your favorite stations.
The unit supports music playback from a USB drive.
Connect external audio devices using the 3.5mm AUX-in jack.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Loose power connection; No 12V power from vehicle. | Check all power cable connections. Ensure vehicle's 12V power source is active. |
| No sound | Volume too low; Incorrect mode selected; Device not connected properly. | Increase volume. Verify correct mode (Bluetooth, FM, USB, AUX). Reconnect Bluetooth device or AUX cable. |
| Poor FM radio reception | Antenna not connected; Weak signal. | Ensure external antenna is securely connected. Try repositioning the antenna or moving to an area with better signal. |
| Bluetooth not pairing | Unit not in pairing mode; Device too far; Bluetooth already connected to another device. | Ensure unit is in Bluetooth mode. Move device closer to the unit. Disconnect from other Bluetooth devices. |
| USB playback not working | USB drive not formatted correctly; Incompatible file types; USB drive damaged. | Ensure USB drive is formatted to FAT32. Use supported audio file types. Try a different USB drive. |
| Feature | Specification |
|---|---|
| Model Name | RD8-X Black |
| Input Voltage | DC 12V |
| Rated Power | 2*12W @ 4Ω |
| Peak Power | 300W |
| Channel | 2.0 Stereo |
| Bluetooth Version | 5.0 |
| Bluetooth Transmission Range | >15m (49 ft) |
| USB Support | USB Drive (Music Playback) |
| USB Charging | No |
| Built-in FM Radio | Yes |
| Antenna Connector | SMA |
| 3.5mm AUX-in | Yes |
| Speaker Size | 2.5" Built-in Full-Range |
| Number of Speakers | 2 |
| Overall Speaker Dimensions | 8.5" L x 2.75" Diameter |
| Handlebar Clamp Size | 7/8" to 1 1/4" |
| Mounting Hardware Stem Length | 5.5" L |
| Material | Aluminum |
| Water Resistance Level | IP56 |
| Item Weight | 2 Pounds |
The GoHawk RD8-X comes with a limited warranty. Please refer to the warranty card included in your package or contact GoHawk customer support for specific details regarding warranty coverage and terms.
For any questions, technical assistance, or warranty claims, please contact GoHawk USA customer support. Refer to the contact information provided in your product packaging or visit the official GoHawk website for support resources.
![]() |
GoHawk RE8/RE9-X Powersports Amplified Soundbar User Manual & Installation Guide Comprehensive user manual and installation guide for the GoHawk RE8 and RE9-X Powersports Amplified Soundbars. Features include Bluetooth, USB, AUX, FM radio, and LED lighting. Includes specifications, troubleshooting, warranty, and FCC compliance. |
![]() |
GoHawk WING Series Powersports Stereo System User Manual Comprehensive user manual for the GoHawk WING-R40F, WING-R60F, and WING-R80F Powersports Stereo Systems. Includes installation guides, wiring instructions, operation details, features, troubleshooting, specifications, and warranty information. |
![]() |
GoHawk TJ4-Q/TN4-Q Powersports Amplified Stereo System User Manual User manual for the GoHawk TJ4-Q/TN4-Q Powersports Amplified Stereo System, detailing contents, features, installation, and operation. |
![]() |
GoHawk Titan1600 Powersports Stereo System User Manual User manual for the GoHawk Titan1600 Powersports Stereo System, covering installation, operation, features, troubleshooting, specifications, and warranty information. |