Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your Herdio HMS-60 3-inch waterproof marine speakers. Designed for durability and performance in various environments, these speakers deliver clear audio for your marine, powersports, or outdoor applications. Please read this manual thoroughly before use to ensure optimal performance and longevity of your speakers.
Product Features
- 3-Inch 2-Way Full Range Design: Equipped with a HIFI woofer for comprehensive sound reproduction.
- High Power Handling: Capable of handling a maximum of 140 Watts (per pair).
- IP44 Splash-Proof Protection: Constructed with water-resistant materials, including a polypropylene cone with rubber edge and molded ABS plastic basket, designed to withstand humid and salty environments.
- Compact and Easy Installation: Small design allows for versatile placement in various settings.
- Versatile Application: Suitable for yachts, ATVs, UTVs, golf carts, powersports vehicles, motorcycles, heavy-duty vehicles, spas, and hot tubs.
Package Contents
Upon unpacking, please verify that all items listed below are present and in good condition:
- 1 Pair of Herdio HMS-60 Marine Speakers
- Mounting Screws (Quantity: 8)
- Speaker Wires (6.5 feet)

Image: Complete assembly kit for Herdio HMS-60 speakers, showing two speakers, eight mounting screws, and two sets of speaker wires.
Setup and Installation
Proper installation is crucial for the performance and durability of your speakers. Follow these guidelines for a successful setup.
1. Speaker Dimensions and Mounting
The compact design of the HMS-60 speakers allows for flexible installation. Ensure you have adequate space and use the provided dimensions for precise cutting and mounting.
- Overall Diameter: 3.94 inches (10 cm)
- Mounting Hole Diameter: 2.95 inches (7.5 cm)
- Mounting Depth: 2.83 inches (7.2 cm)

Image: Diagram illustrating the total length, height, and total width dimensions for installing the Herdio HMS-60 speakers.
2. Wiring Connections
Connect the speaker wires to your audio source (e.g., amplifier, head unit). Ensure correct polarity: red wire to positive (+), black wire to negative (-).
Video: This video demonstrates the wiring process for the Herdio 3-inch marine waterproof speakers, showing how to connect the speaker cables to the speaker terminals and prepare for connection to an amplifier. Note: These speakers require an external amplifier (not included) to function.
Important: These are passive speakers and require an external amplifier to operate. This model does not include a built-in amplifier.
3. Secure Mounting
Once the wiring is complete, place the speakers into the prepared openings and secure them using the provided mounting screws. Ensure a tight fit to prevent vibration and maintain water resistance.
Operating Instructions
After successful installation, follow these steps to operate your speakers:
- Power On: Ensure your external amplifier or head unit is powered on.
- Connect Audio Source: Connect your desired audio source (e.g., MP3 player, smartphone, marine radio) to the amplifier.
- Adjust Volume: Start with the volume at a low level on your audio source and amplifier, then gradually increase to your desired listening level.
- Audio Output: The speakers provide stereo audio output.
Maintenance
To ensure the longevity and continued performance of your Herdio HMS-60 speakers, regular maintenance is recommended:
- Cleaning: Wipe the speaker grilles and housing with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners.
- Water Exposure: While the speakers are IP44 splash-proof, avoid prolonged submersion or direct high-pressure water jets.
- Inspection: Periodically check the mounting screws and wiring connections for any signs of loosening or corrosion. Tighten screws as needed.
- Environmental Protection: If possible, protect speakers from extreme weather conditions when not in use, especially during prolonged storage.
Troubleshooting
If you experience issues with your speakers, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speakers |
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| Distorted sound |
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| Intermittent sound |
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If problems persist after attempting these solutions, please contact Herdio customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | Herdio |
| Model Name | HMS-60 |
| Item Model Number | MXS-60BK |
| Speaker Type | Woofer (2-Way Full Range) |
| Speaker Size | 3 Inches |
| Material | Plastic (Polypropylene Cone with Rubber Edge, Molded ABS Plastic Basket) |
| Speaker Maximum Output Power | 140 Watts (Pair) |
| Frequency Response | 120Hz - 20Khz |
| SPL (1Watt/1Meter) | 80dB |
| Water Resistance Level | IP44 Splash-proof |
| Connectivity Technology | Coaxial |
| Audio Output Mode | Stereo |
| Mounting Type | Car Mount, Motorcycle Mount, Boat Mount |
| Item Weight | 1.72 pounds |
| Package Dimensions | 8.78 x 4.69 x 3.35 inches |
Warranty
The Herdio HMS-60 Marine Speakers come with a limited warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty card included in your product packaging or visit the official Herdio website. Keep your proof of purchase for any warranty claims.
Support
For technical support, troubleshooting assistance, or any inquiries regarding your Herdio HMS-60 speakers, please contact Herdio customer service through the following channels:
- Official Website: www.herdiotech.com (Check for contact information, FAQs, and additional resources)
- Email Support: Refer to your product packaging or official website for the most current email address.





