ECOXGEAR ES08
ECOXGEAR SoundExtreme ES08 Subwoofer User Manual
Model: ES08 | Brand: ECOXGEAR
Introduction
This user manual provides comprehensive instructions for the installation, operation, and maintenance of your ECOXGEAR SoundExtreme ES08 Waterproof Bluetooth LED Backlit 8-inch Loaded Subwoofer Enclosure. Please read this manual thoroughly before using the product to ensure proper function and longevity.

The ECOXGEAR SoundExtreme ES08 Subwoofer, showcasing its robust design and illuminated speaker.
What's in the Box
Verify that all components are present before proceeding with installation:
- 1x SoundExtreme Subwoofer
- 1x 6.6-FT 12V DC Power Cable
- 1x 6.6-FT Remote Turn-on Cable
- 1x 6.6-FT 3.5mm Audio Cable
- 1x Wired Remote Gain Controller
- Vertical and Horizontal Mounting Brackets and Related Hardware
- User Manual (this document)

All components included with the SoundExtreme ES08 Subwoofer.
Setup and Installation
Mounting Options
The ES08 Subwoofer can be mounted either vertically or horizontally using the provided brackets. Choose the orientation that best suits your vehicle and space requirements.
Vertical Mounting

Vertical mounting template with dimensions.
Horizontal Mounting

Horizontal mounting template with dimensions.
Ensure the mounting surface is stable and secure. Use the provided hardware for installation. For detailed steps, refer to the included user guide's mounting section.
Power and Audio Connections
Connect the 12V DC Power Cable to your vehicle's power source. The ES08 features auto-on power modes, activating when audio, 12V DC power, or ignition switch is detected. Use the 3.5mm Audio Cable to connect the subwoofer's SUB-IN jack to any soundbar, amplifier, or stereo's wired LINE-OUT jack.

Rear panel of the ES08 Subwoofer with connection ports.
Operating Instructions
Controls and Adjustments
The ES08 Subwoofer features an intuitive control panel for managing audio settings and LED lights.

Control panel of the ES08 Subwoofer.
- Gain Control: Adjust the subwoofer's volume level.
- Crossover: Set the low pass filter between 20 Hz and 275 Hz to control the frequency range of the bass output.
- Phase: Adjust the phase to optimize bass integration with other speakers.
- LED Lights: Cycle through various multi-color LED options (solid green, red, white, blue), music sync, fading, or turn them off.
A wired remote gain controller is included for convenient on-the-fly volume adjustments.

The ES08 Subwoofer displaying its blue LED illumination.
EcoCast Compatibility
The ES08 Subwoofer is EcoCast compatible, allowing it to wirelessly connect with any other ECOXGEAR EcoCast enabled audio product for an expanded sound system.
Official product video demonstrating the features and use of the ECOXGEAR SoundExtreme ES08 Subwoofer, including its EcoCast compatibility, LED lights, and rugged design.
Maintenance
To ensure the longevity and optimal performance of your ECOXGEAR SoundExtreme ES08 Subwoofer, follow these maintenance guidelines:
- Cleaning: The subwoofer is waterproof and dustproof (IPX6 rated). It can be washed with a hose to remove mud, sand, or snow. Avoid using harsh chemicals or abrasive cleaners.
- Storage: When not in use for extended periods, store the subwoofer in a cool, dry place away from direct sunlight and extreme temperatures.
- Connections: Periodically check all cable connections to ensure they are secure and free from corrosion.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power/Subwoofer does not turn on. | Power cable not connected securely; No 12V DC power; Auto-on mode not triggered. | Check power cable connection. Verify 12V DC power supply. Ensure audio signal or ignition is active to trigger auto-on. |
| No sound or low bass output. | Audio cable not connected; Gain set too low; Crossover setting incorrect; Source device volume low. | Ensure 3.5mm audio cable is connected. Increase gain using the control panel or remote. Adjust crossover frequency. Increase volume on the connected audio source. |
| Distorted sound. | Gain set too high; Source audio is distorted. | Reduce the gain level. Check the audio source for distortion. |
| LED lights not working. | LED mode set to 'off'; Power issue. | Cycle through LED modes using the control panel. Ensure the subwoofer has power. |
| Cannot EcoCast pair. | Other EcoCast device not in pairing mode or out of range. | Ensure both devices are in EcoCast pairing mode and within range (up to 100 feet). |
Specifications
| Feature | Detail |
|---|---|
| Model Name | SoundExtreme ES08 Subwoofer |
| Speaker Type | Subwoofer |
| Subwoofer Diameter | 8 Inches |
| Peak Output Power | 500 Watts (250W RMS) |
| Amplifier Type | Built-in Class D |
| Water Resistance Level | IPX6 Waterproof & Dustproof |
| Connectivity Technology | Wireless (EcoCast), Wired (3.5mm AUX) |
| Bluetooth Range | Up to 100 Feet |
| Crossover Range | 20 Hz to 275 Hz |
| LED Lights | Multi-color (Green, Red, White, Blue), Music Sync, Fading |
| Power Source | 12V DC (Corded Electric) |
| Product Dimensions (D x W x H) | 13.9" x 8.9" x 9.1" |
| Item Weight | 16.9 Pounds |
| Compatible Devices | Smartphones, Tablets, Soundbars, Amplifiers, Stereos |
| Vehicle Service Type | ATV, Boat, Golf Cart, UTV |
Warranty and Support
The ECOXGEAR SoundExtreme ES08 Subwoofer comes with a limited warranty. For specific warranty terms and conditions, please refer to the warranty information provided with your product or visit the official ECOXGEAR website.
For technical support, troubleshooting assistance, or warranty claims, please contact ECOXGEAR customer service. Contact information can typically be found on the manufacturer's website or in the product packaging.
Online Resources:
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.


