Herdio HCS528-16BT-4CH-US
Herdio 5.25 Inch Bluetooth Ceiling Speakers Instruction Manual
Model: HCS528-16BT-4CH-US
Brand: Herdio
Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your Herdio 5.25 Inch Bluetooth Ceiling Speakers with Wall Mount Amplifier Receiver. Please read this manual thoroughly before using the product to ensure proper functionality and safety. Keep this manual for future reference.

Image: Overview of the Herdio 5.25 Inch Bluetooth Ceiling Speakers and the accompanying wall mount amplifier.
What's in the Box
Verify that all components are present in the package:
- 4 x 5.25" Ceiling Speakers
- 1 x HWA-16BT-US Wall Mount Amplifier Receiver
- 2 x Speaker Connection Wires
- 1 x PWR-12V3A-US Power Adapter
- 1 x Herdio Owner's Manual (this document)

Image: Diagram illustrating all items included in the product package.
Setup and Installation
The Herdio ceiling speakers are designed for flush mounting in ceilings or walls. The wall-mounted amplifier provides convenient control and connectivity.
1. Speaker Placement
Plan the optimal placement for your four ceiling speakers to ensure balanced sound distribution in your desired area (e.g., living room, kitchen, office). Ensure there is sufficient clearance behind the mounting surface for the speaker depth.

Image: Illustration of the flush mount design and various application environments for the speakers.
2. Cutting the Mounting Holes
Using the provided template (if available, or refer to the cut-out diameter in specifications), carefully mark and cut circular holes in your ceiling or wall. The cut-out diameter is approximately 7.3 inches (18.5 cm).

Image: Rear view of a ceiling speaker, highlighting the spring-loaded mounting clips for easy installation.
3. Wiring the Speakers
Connect the speaker wires to the terminals on the back of each speaker. Ensure correct polarity (+ to + and - to -). Run the speaker wires through the ceiling/wall to the location of the wall mount amplifier.

Image: Detailed connection diagram for the 4-channel amplifier, showing speaker output terminal connectors.

Image: Visual guide for connecting the speakers to the amplifier, indicating positive and negative terminals.
4. Installing the Speakers
Insert each speaker into its respective mounting hole. The spring-loaded clips will secure the speaker in place. Ensure the speaker grille is flush with the ceiling/wall surface.
5. Installing the Wall Mount Amplifier
Install the HWA-16BT-US wall mount amplifier into a standard wall gang box. Connect the speaker wires to the amplifier's output terminals. Connect the power adapter (PWR-12V3A-US) to the DC 12V input on the amplifier and plug it into a power outlet.

Image: Front view of the wall plate amplifier, showing the AUX IN port and other controls.
Operating Instructions
The wall mount amplifier provides multiple input options and controls for your audio system.

Image: Detailed diagram of the amplifier's control panel, indicating functions of each button and port.
1. Power On/Off and Volume Control
Rotate the large knob on the amplifier to turn the unit ON/OFF and adjust the master volume. The Power LED will illuminate when the unit is on.
2. Input Selection
Use the input selection switch to choose between Bluetooth (BT), AUX, or MIC input modes.
3. Bluetooth Connectivity
- Switch the input selector to "BT". The Bluetooth Signal LED will blink, indicating pairing mode.
- On your smart device (smartphone, tablet, PC), search for Bluetooth devices and select "Herdio" or "HWA-16BT".
- Once connected, the Bluetooth Signal LED will remain solid. You can now stream audio wirelessly. The wireless range is approximately 30+ feet (10 meters).
4. AUX Input
Connect an external audio device (e.g., MP3 player, TV) to the 3.5mm AUX IN jack using a standard audio cable. Switch the input selector to "AUX" to play audio from this source.
5. USB Input
Insert a USB flash drive into the USB port for media playback. This port also functions as a charging port (5V/1A) for your devices. Switch the input selector to "USB" to play audio from the USB drive.
6. Microphone Input
Connect a microphone to the 1/4" MIC IN jack for paging or announcements. Adjust the microphone volume as needed. This input is active when the input selector is set to MIC.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your Herdio ceiling speakers and amplifier.
- Cleaning: Use a soft, dry cloth to clean the speaker grilles and amplifier faceplate. Do not use harsh chemicals or abrasive cleaners.
- Environment: While the speakers are made of durable ABS material and are suitable for high humidity environments, avoid direct exposure to water or extreme temperatures.
- Connections: Periodically check all wiring connections to ensure they are secure and free from corrosion.
Troubleshooting
If you encounter issues with your Herdio speaker system, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speakers |
|
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| Bluetooth not connecting |
|
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| Poor sound quality (distortion, low volume) |
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Specifications
Key technical specifications for the Herdio 5.25 Inch Bluetooth Ceiling Speakers and Amplifier:
| Feature | Detail |
|---|---|
| Model Name | HCS528-16BT-4CH-US |
| Speaker Type | 2-Way Full Range, Tweeter |
| Speaker Size | 5.25 Inches (Woofer and Tweeter Diameter) |
| Speaker Maximum Output Power | 600 Watts (Total for 4 speakers, 150W each) |
| Amplifier Power Output | 100 Watt Peak, 40 Watt RMS x 4 Ch. @ 4 Ohm |
| Impedance | 8 Ohm |
| Connectivity Technology | Bluetooth 5.0 |
| Wireless Range | 30+ Feet (10 Meters) |
| Audio Output Mode | Stereo |
| Mounting Type | Ceiling Mount, Wall Mount |
| Product Dimensions (Speaker) | 8.46"D x 7.3"W x 4.33"H (21.5cm Diameter, 18.5cm Cut-out, 11cm Depth) |
| Product Dimensions (Amplifier) | 4.5"H x 2.75"W (11.43cm H x 6.89cm W) |
| Material | Metal, Plastic (ABS Environmental Protection Material) |
| Special Features | Dustproof, Multi Room Audio, Noise Canceling, Shockproof, Waterproof (Speakers) |
| Power Source | Corded Electric (DC 12V) |
| Included Components | 4x Ceiling Speakers, HWA-16BT-US Amplifier, 2x Speaker Cables, PWR-12V3A-US Power Adapter, Owner's Manual |

Image: Diagram showing the dimensions of the ceiling speakers and the wall mount amplifier.
Warranty Information
The Herdio 5.25 Inch Bluetooth Ceiling Speakers and Wall Mount Amplifier come with a Limited Warranty. For specific details regarding the duration and terms of your warranty, please refer to the warranty card included in your package or contact Herdio customer support.
Support
For further assistance, technical support, or inquiries regarding your Herdio product, please visit the official Herdio website or contact their customer service department. Contact information can typically be found on the product packaging or the brand's official online presence.
Online Resources: www.herdiotech.com
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