Introduction
Thank you for choosing Herdio 5.25 Inch Indoor Outdoor Bluetooth Speakers. This manual provides essential information for the proper setup, operation, and maintenance of your new speaker system. Designed for versatile use, these waterproof speakers deliver superior sound quality for various environments, including patios, decks, garages, and indoor spaces. Please read this manual thoroughly before installation and use to ensure optimal performance and longevity of your product.
Safety Information
- Ensure all connections are secure before powering on the speakers.
- Do not expose the power adapter to water or extreme moisture.
- Avoid placing speakers near heat sources or in direct sunlight for prolonged periods.
- Use only the provided power adapter and speaker cables.
- For outdoor installation, ensure speakers are mounted securely to prevent falling.
- Do not attempt to disassemble or repair the speakers yourself. Refer to qualified service personnel.
What's in the Box
- 5.25 Inch Outdoor Bluetooth Speakers (x2)
- 12V5A Power Adapter (x1)
- 5M Speaker Cable (x1)
- Mounting Brackets and Hardware
- User Manual (x1)

Image: Contents of the Herdio speaker package, showing two black speakers.
Product Overview & Features
The Herdio HOS-501BTB speakers are designed for high-fidelity audio in both indoor and outdoor settings. Key features include:
- Superior Sound: Equipped with a 1.0” PEI dome tweeter and a 5.25” aluminum injection cone woofer for rich, clear audio.
- Waterproof Construction: Marine-grade waterproof design ensures durability against the elements.
- Versatile Mounting: Easy-install swivel brackets allow for up to 120-degree range of motion and 90-degree front facial rotation, enabling flexible placement.
- Easy Installation: Speed-lock mounting brackets facilitate quick and secure vertical or horizontal installation.
- Bluetooth Connectivity: Seamless wireless audio streaming from compatible devices.

Image: Close-up of the speaker's internal components, highlighting the woofer and tweeter.

Image: Detail of the versatile swivel bracket for flexible speaker positioning.
Setup Guide
1. Mounting the Speakers
The speakers come with speed-lock mounting brackets for easy installation. These brackets allow for both vertical and horizontal orientation.
- Remove the Bracket: Turn the knob on the side of the speaker to detach the mounting bracket.
- Fix the Bracket: Securely attach the bracket to your desired surface (wall, ceiling, or post) using appropriate nails or screws (not included, depending on surface material).
- Attach the Speaker: Slide the speaker onto the fixed bracket and tighten the knob to secure it in place.
- Adjust Angle: Loosen the knobs slightly to adjust the speaker's angle for optimal sound direction, then re-tighten.

Image: Diagram showing the dimensions of the speaker and various mounting points on the bracket.
2. Wiring and Power Connection
One speaker is 'Active' (receives power and Bluetooth signal), and the other is 'Passive' (receives audio signal from the Active speaker).
- Connect Speaker Cable to Active Speaker: Connect the provided 5M speaker cable (red positive, black negative) to the corresponding terminals on the Active speaker.
- Connect Speaker Cable to Passive Speaker: Route the other end of the 5M speaker cable to the Passive speaker and connect it to its terminals.
- Plug in Power Supply: Connect the 12V5A power adapter to the Active speaker's power input, then plug the adapter into a power outlet.

Image: Visual guide demonstrating how to connect the active and passive speakers, and the power supply.
3. Bluetooth Pairing
Once powered on, the active speaker's blue light will blink, indicating it's in pairing mode.
- Activate Bluetooth: On your smartphone, tablet, or other Bluetooth-enabled device, go to the Bluetooth settings.
- Scan for Devices: Search for available Bluetooth devices.
- Select "HOS-501BTB": Choose "HOS-501BTB" from the list of devices. The speaker will confirm connection with an audible prompt, and the blue light will become constant.
Your speakers are now ready to play audio wirelessly.
Video: A detailed demonstration of setting up and pairing the Herdio 5.25 Inch Outdoor Bluetooth Speakers.
Operating Instructions
Once paired, you can control your music directly from your connected device. Adjust volume, skip tracks, and pause playback using your phone or tablet's media controls.
Video: Short demonstration of the Herdio speakers playing music in an outdoor patio setting.
Maintenance
- Cleaning: Wipe the speaker surfaces with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners.
- Weather Protection: While waterproof, prolonged exposure to extreme weather conditions (e.g., heavy snow, direct torrential rain) should be minimized for extended product life.
- Storage: If storing for extended periods, especially in harsh climates, consider covering the speakers or bringing them indoors.

Image: Herdio speakers demonstrating their waterproof design in a light rain scenario.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power adapter not connected or faulty. | Ensure power adapter is securely plugged into speaker and outlet. Check outlet functionality. |
| No Bluetooth connection | Speaker not in pairing mode; device Bluetooth off; too far from speaker. | Ensure speaker's blue light is blinking. Turn device Bluetooth off/on. Move device closer to speaker (within 65 feet). |
| No sound | Volume too low; incorrect wiring; device not playing audio. | Increase volume on both speaker and device. Check speaker cable connections (red to red, black to black). Ensure audio is playing on your device. |
| Distorted sound | Volume too high; poor Bluetooth signal. | Reduce volume. Move device closer to speaker. |
Specifications
| Feature | Detail |
|---|---|
| Model | HOS-501BTB |
| Speaker Type | Indoor/Outdoor Bluetooth Speakers |
| Speaker Size | 5.25 Inches |
| Tweeter Diameter | 1.0 Inch (PEI Dome) |
| Speaker Power Output | 300 Watts (Total) |
| Connectivity Technology | Bluetooth |
| Wireless Range | Up to 65 Feet |
| Water Resistance Level | Waterproof (Marine Grade) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Product Dimensions (L x W x H) | 9.57" x 7.28" x 6.57" (243mm x 185mm x 167mm) |
| Item Weight | 8.8 pounds (4 kg) |
| Included Components | 2 Speakers, 1 Power Adapter, 1 Speaker Cable |
Warranty and Support
Herdio prides itself on customer satisfaction and offers a 1-Year Limited Warranty on this product. For any technical questions or support needs, please contact our Professional Customer Support team. We are happy to help!
For more information or to contact support, please visit the official Herdio Store: Herdio Store on Amazon





