1. Product Overview
The Herdio 4 Inches Waterproof Marine Bluetooth Ceiling Speakers are designed for versatile audio enjoyment in various environments, including bathrooms, kitchens, outdoor spaces, campers, golf carts, and boats. These speakers feature an impressive bass sound and offer wireless connectivity via Bluetooth, with a coverage range of up to 20 meters. Their marine-grade construction ensures consistent sound quality regardless of weather conditions, making them suitable for both indoor and outdoor applications.

Image: The complete Herdio 4-inch waterproof marine Bluetooth ceiling speaker system, including two speakers, an amplifier, and a power supply.
The compact flush-mount design allows for simple and easy installation. Built-in high-definition digital effects ensure clear, pure, and premium sound with strong bass. The system includes two speakers, installation brackets with screws, a power supply, an amplifier, and a 12V DC cable.
2. What's in the Box
Upon opening the package, please verify that all the following components are included:
- Speakers x 2
- Install Bracket With Screws x 2 PCS
- Power Supply X 1PC
- Amplifier X 1PC
- 12V DC Cable X 1PC

Image: All components included in the Herdio speaker package, laid out for inspection.
3. Key Features
- Wired Connectivity: Features impressive bass sound and the ability to wirelessly connect to any device. The coverage can reach 20 meters, suitable for Bathroom, Living room, Kitchen, Swimming pool, Outdoor, Boat, Camper, RV, Hot Tub. You can also enjoy high-definition sound. (Note: For home installation, an AC adapter to convert DC12V to AC 110-240V is required.)
- Great Sound Quality: Built-in high-definition digital effect ensures clear, pure, and premium sound with strong bass.
- Marine Grade Rating: Marine-grade construction with IP66 waterproof certified rating for consistent sound quality regardless of weather conditions, allowing high-fidelity sound on your boat just as you do at home.
- Tiny Size for Easy Installation: Dimensions (4.88" (W) x 3.8"(H) x 1.37" (D)). Compact flush mount design for simple easy installation in boats, campers, UTVs, ATVs, motorcycles, and other applications.

Image: The speaker demonstrating its complete waterproof design, suitable for wet environments.

Image: The speaker's Bluetooth compatibility, allowing connection to various smart devices within a 20-meter range.
4. Technical Specifications
| Specification | Value |
|---|---|
| Brand | Herdio |
| Model Name | Herdio |
| Item Model Number | FBA-5104WBT |
| Speaker Type | Outdoor / Ceiling & In-Wall |
| Speaker Size | 4 Inches |
| Connectivity Technology | Bluetooth |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Range | 20 Meters |
| Maximum Output Power | 160 Watts |
| Impedance | 4 Ohm |
| Frequency Response | 100 Hz |
| Water Resistance Level | IP66 Waterproof Certified |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Product Dimensions | 5.91"D x 8.27"W x 4.72"H |
| Item Weight | 2.2 pounds (1 Kilogram) |
| Power Source | Corded Electric |
| Input Voltage | 240 Volts |
| Color | White |
5. Setup and Installation
The Herdio ceiling speakers are designed for flush mounting, offering a clean and integrated look. Follow these general steps for installation:
5.1. Installation Dimensions
Before cutting, ensure you have the correct dimensions for the speaker cutout. The compact design facilitates easy installation in various settings.

Image: Detailed diagram illustrating the required installation dimensions for the speaker, including diameter and depth.
5.2. Wiring Connection
Connect the speakers to the amplifier and power supply as shown in the diagram. Ensure correct polarity (positive to positive, negative to negative) for optimal sound performance.

Image: A clear wiring diagram demonstrating how to connect the speakers to the amplifier and power supply unit.
Important Note for Home Use: If you intend to install these speakers in a home environment, you will need an AC adapter to convert the standard AC 110-240V household power to DC 12V, as the system operates on 12V DC.
6. Operating Instructions
Once the speakers are installed and powered on, you can connect your audio device via Bluetooth.
6.1. Bluetooth Pairing
- Ensure the speaker system is powered on.
- On your smartphone, tablet, or other Bluetooth-enabled device, navigate to the Bluetooth settings.
- Search for available devices. The speaker system should appear as "Herdio" or a similar identifier.
- Select the speaker system to pair. Once paired, you will hear a confirmation tone, and your device will indicate a successful connection.

Image: A user controlling music playback on the Herdio ceiling speakers via a smartphone, demonstrating wireless operation.
6.2. Audio Playback
After successful pairing, you can play audio from your connected device. Adjust the volume directly from your device. The speakers are designed to deliver high-fidelity sound with strong bass.
7. Care and Maintenance
The Herdio speakers are built with a marine-grade IP66 waterproof rating, making them highly durable in various conditions. To ensure longevity and optimal performance:
- Cleaning: For general cleaning, wipe the speaker grilles and surfaces with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners, as these can damage the finish or internal components.
- Water Exposure: While waterproof, avoid submerging the speakers for extended periods. Ensure proper installation to prevent water ingress into the mounting area.
- Environmental Conditions: Although designed for outdoor and marine use, extreme temperatures or prolonged direct sunlight can affect the lifespan of any electronic device.
8. Troubleshooting
If you encounter issues with your Herdio speakers, refer to the following common troubleshooting steps:
- No Power:
- Check if the power supply is securely connected to both the amplifier and a working power outlet.
- Ensure the power outlet is functional.
- Verify that the 12V DC cable is properly connected to the amplifier.
- No Sound:
- Confirm that the speakers are correctly wired to the amplifier, paying attention to positive and negative terminals.
- Check the volume level on both your connected device and the amplifier (if applicable).
- Ensure your device is successfully paired via Bluetooth.
- Try playing audio from a different source or device to rule out source issues.
- Bluetooth Connection Issues:
- Make sure the speaker system is within the 20-meter Bluetooth range of your device.
- Turn off and on the Bluetooth function on your device, then try pairing again.
- Restart both your audio device and the speaker system.
- Clear previous Bluetooth pairings on your device and attempt to pair again.
9. Warranty and Support
The Herdio 4 Inches Waterproof Marine Bluetooth Ceiling Speakers come with a Limited Warranty. For specific details regarding warranty coverage, claims, or technical support, please refer to the official Herdio brand store or contact Herdio customer service directly.
You can visit the official Herdio store on Amazon for more information and support:





