Introduction
This manual provides essential instructions for the installation, operation, and maintenance of your PowerBass XL-650 Amplified Soundbar. Designed for powersports and golf cart applications, this soundbar delivers high-quality audio in challenging environments. Please read this manual thoroughly before use to ensure proper function and longevity of your device.
Safety Information
- Ensure all wiring is correctly connected to prevent electrical hazards.
- Do not expose the soundbar to extreme temperatures beyond its operational limits.
- Avoid disassembling the unit; refer servicing to qualified personnel.
- Securely mount the soundbar to prevent movement during vehicle operation.
- This product is IPX6 rated for water resistance; however, avoid submersion.
Package Contents
Verify that all items are present before beginning installation:
- PowerBass XL-650 Amplified Soundbar
- XL-SBSCLAMP Square Soundbar Clamps (for 0.75", 1.0", 1.25" square bars)
- Mounting Hardware
- Power/Ground Wiring Harness
- 3.5mm Auxiliary Input Cable

Image: The PowerBass XL-650 soundbar shown with its included square mounting clamps. The soundbar features a black grille and a central control panel.
Setup and Installation
1. Mounting the Soundbar
- Select Mounting Location: Choose a secure location on your golf cart or powersports vehicle that allows for optimal sound dispersion and does not obstruct visibility or vehicle operation.
- Attach Clamps: Use the provided XL-SBSCLAMP square clamps. Select the appropriate clamp size for your vehicle's square bars (0.75", 1.0", or 1.25"). Securely fasten the clamps to the soundbar using the included hardware.
- Mount to Vehicle: Position the soundbar with attached clamps onto the desired square bar. Tighten all mounting hardware to ensure the soundbar is firmly secured and will not vibrate or shift during use.

Image: A close-up view of the PowerBass XL-SBSCLAMP square soundbar clamps, designed for secure mounting on various bar sizes.
2. Wiring Connections
The XL-650 soundbar requires a 3-wire connection:
- Power (Red Wire): Connect to a constant 12V DC power source.
- Ground (Black Wire): Connect to a solid chassis ground point.
- Switched 12V Input (Blue Wire): Connect to a switched 12V source (e.g., ignition or a dedicated rocker switch) to allow the soundbar to turn on/off with your vehicle's power.
Ensure all connections are secure and insulated to prevent short circuits.
Operating Instructions

Image: The PowerBass XL-650 soundbar with its LED back-lit control panel visible, showing power, Bluetooth, track, and volume controls.
Control Panel Functions:
- Power Button: Press to turn the soundbar on or off.
- Bluetooth Button: Press to enter Bluetooth pairing mode.
- Play/Pause Button: Controls media playback.
- Track Skip Buttons (Forward/Backward): Navigates between tracks.
- Volume Up/Down Buttons: Adjusts the audio output level.
1. Bluetooth Pairing
- Ensure the soundbar is powered on.
- Press the Bluetooth button on the control panel. The Bluetooth indicator light will flash, indicating pairing mode.
- On your mobile device (smartphone, tablet), navigate to the Bluetooth settings.
- Select "PowerBass XL-650" from the list of available devices.
- Once connected, the Bluetooth indicator light will become solid. You can now stream audio wirelessly.
2. Auxiliary Input
For devices without Bluetooth, use the 3.5mm auxiliary input:
- Connect one end of a 3.5mm audio cable (not included) to the auxiliary input port on the soundbar.
- Connect the other end to the headphone jack or audio output of your device.
- The soundbar will automatically switch to auxiliary mode when a cable is detected.
Maintenance
- Cleaning: Use a soft, damp cloth to clean the exterior of the soundbar. Avoid harsh chemicals or abrasive cleaners.
- Connections: Periodically check all wiring connections for tightness and corrosion, especially in marine or off-road environments.
- Storage: If storing the vehicle for extended periods, ensure the soundbar is powered off and protected from extreme conditions.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Loose power/ground connection; Blown fuse; Switched 12V not active. | Check all wiring connections. Verify fuse integrity. Ensure the switched 12V source is active. |
| No Audio Output | Volume too low; Incorrect source selected; Device not paired (Bluetooth) or cable not connected (Aux). | Increase volume. Ensure correct input mode. Re-pair Bluetooth device or check Aux cable connection. |
| Bluetooth Disconnection | Device out of range; Interference. | Move device closer to the soundbar. Avoid sources of strong electromagnetic interference. |
Specifications

Image: An internal view of the PowerBass XL-650 soundbar, showcasing its four square poly cone woofers and two SD Mylar tweeters.
| Feature | Detail |
|---|---|
| Model | XL-650 |
| Speaker Configuration | 6 Speakers (4 x 3.5" Square Poly Cone Woofers, 2 x 1" SD Mylar Tweeters) |
| Amplifier Power | 250 Watts (RMS), 1000 Watts (Max) |
| Connectivity | Bluetooth, 3.5mm Auxiliary Input |
| Water Resistance Rating | IPX6 (Weatherproof) |
| Housing | Heavy Duty Extruded Aluminum |
| Control Panel | LED Back-lit |
| Input Voltage | 12 Volts DC |
| Item Weight | 15 Pounds |
| Mounting Type | Bar Mount (Square Clamps included for 0.75", 1.0", 1.25" bars) |
Note: Specifications are subject to change without notice.
Warranty Information
The PowerBass XL-650 Amplified Soundbar comes with a Limited Warranty. For specific terms and conditions, including duration and coverage details, please refer to the warranty card included with your product or visit the official PowerBass website. Keep your proof of purchase for warranty claims.
Customer Support
If you encounter any issues or have questions regarding your PowerBass XL-650 Soundbar that are not covered in this manual, please contact PowerBass customer support. Refer to the product packaging or the official PowerBass website for the most current contact information.





