Introduction
Thank you for choosing the Muse M-928 BTY Jobsite Radio. This robust and versatile radio is designed to provide reliable audio and charging capabilities in demanding work environments. With its IP64 rating, it is resistant to dust and splashes, ensuring durability. Enjoy your favorite music via Bluetooth, FM radio, or AUX input, and benefit from the integrated charger and USB-C port for convenient power solutions.

Figure 1: Muse M-928 BTY Jobsite Radio. This image shows the front of the radio, highlighting its robust black and yellow casing, the display, and control buttons.

Figure 2: Key Features of the Muse M-928 BTY. This image illustrates various features like NFC, Hands-free, Stereo Pairing, PLL Radio, 30 FM Presets, Alarm, USB-C Charging, IP64 Dust Splash Proof, Shock Proof, 8H Playtime, Power Cord Roll, AUX In Jack, and a Storage Compartment, with water splashing on the radio to emphasize its IP64 rating.
Setup
1. Unpacking
- Carefully remove the radio and all accessories from the packaging.
- Verify that all components listed in the "Specifications" section are present.
- Retain the packaging for future transport or storage.
2. Powering On and Charging
The Muse M-928 BTY features an integrated charger, allowing you to power the radio and charge its internal battery simultaneously without needing to remove the battery.
- Locate the power cord.
- Plug the power cord into the radio's power input.
- Connect the other end of the power cord to a suitable electrical outlet.
- The radio will begin charging automatically. The battery can be charged even while the radio is in operation.

Figure 3: USB-C Charging and IP64 Design. This image shows the radio's storage compartment with a smartphone connected to the USB-C port for charging, and a separate inset demonstrating the radio's splash-resistant IP64 design.
Operating Instructions
1. Power On/Off
- Press the Power button (usually marked with ⑁) to turn the radio on or off.
2. FM Radio Operation
- Switch to FM mode using the Mode button.
- Extend the antenna for optimal reception.
- Use the Tuning knob or buttons to scan for stations.
- To save a preset, tune to the desired station, then press and hold the Preset button until the display indicates it's saved.
- The radio supports 30 preset FM stations.
3. Bluetooth Pairing
Stream audio wirelessly from your mobile devices.
- Press the Mode button to select Bluetooth mode. The display will show "BT" or a Bluetooth icon, and the radio will enter pairing mode.
- On your mobile device, enable Bluetooth and search for available devices.
- Select "MUSE M-928 BTY" from the list.
- Once paired, the radio will confirm the connection, and you can start streaming audio.
Stereo Pairing (TWS)
For an enhanced stereo sound experience, you can pair two Muse M-928 BTY radios together.
- Ensure both radios are powered on and in Bluetooth mode, but not yet paired with any device.
- On one radio (this will be the primary unit), press and hold the Stereo Pair button (refer to your radio's control panel for exact button).
- The primary radio will search for the secondary radio. Once connected, both radios will indicate successful stereo pairing.
- Now, connect your mobile device to the primary radio via Bluetooth as described above. Audio will play in stereo through both units.

Figure 4: Connectivity and Performance Features. This image highlights key features such as Bluetooth streaming, stereo pairing capability for two speakers, 8 hours of battery life, and a PLL radio with 30 preset FM stations.
4. AUX Input
Connect external audio devices using the AUX input.
- Connect a 3.5mm audio cable (not included) from your external device's headphone jack to the radio's AUX IN port.
- Press the Mode button to select AUX mode.
- Control playback and volume from your external device.
5. USB-C Charging for External Devices
The integrated USB-C port allows you to charge compatible external devices, such as smartphones, directly from the radio.
- Open the protective cover for the USB-C port (located in the storage compartment).
- Connect your device to the USB-C port using a compatible cable.
- Charging will begin automatically.
6. Handle and Mounting Options
The radio features a large handle for easy portability and various adjustment surfaces for both vertical and horizontal mounting, ensuring optimal placement in any work environment.
Maintenance
1. Cleaning
Due to its IP64 rating, the radio is dust and splash resistant, making it easy to clean.
- Ensure the protective covers for ports (like USB-C) are securely closed before cleaning.
- Wipe the exterior with a damp cloth. For stubborn dirt, a mild soap solution can be used.
- Do not use abrasive cleaners or solvents, as these may damage the surface.
- Do not immerse the radio in water.
2. Storage
- When not in use for extended periods, store the radio in a cool, dry place.
- Ensure the battery is partially charged (around 50%) before long-term storage to prolong battery life.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power / Radio does not turn on | Battery is depleted; Power cord not connected; Power outlet issue. | Connect the radio to a power outlet and allow it to charge. Check the power cord connection and the power outlet. |
| No sound | Volume too low; Mute activated; Incorrect source selected. | Increase the volume. Check if the radio is muted. Ensure the correct input mode (FM, Bluetooth, AUX) is selected. |
| Poor FM reception | Antenna not extended; Weak signal; Interference. | Fully extend the telescopic antenna. Try repositioning the radio. Avoid placing near other electronic devices that may cause interference. |
| Bluetooth not pairing | Radio not in pairing mode; Device too far; Already paired with another device. | Ensure the radio is in Bluetooth pairing mode. Move your device closer to the radio. Disconnect from other Bluetooth devices. Restart both the radio and your mobile device. |
| External device not charging via USB-C | Cable issue; Device incompatibility; Radio not powered on. | Check the USB-C cable. Ensure your device is compatible with USB-C charging. Make sure the radio is powered on or connected to a power source. |
Specifications
| Brand | MUSE |
| Model Number | M-928 BTY (Internal: 321300) |
| Color | Black/Yellow |
| Connectivity Technology | Bluetooth, Auxiliary (AUX) |
| Special Features | USB-C port for external device charging, Rechargeable, IP64 Dust & Splash Resistant, Stereo Pairing |
| Compatible Devices | Headphones, Speakers, MP3 Players, Laptops, Smartphones, Tablets, Earphones |
| Product Dimensions | 16L x 32.6W x 24.8H cm |
| Tuning Technology | FM |
| Supported Radio Bands | FM |
| Power Source | Electric Cable (Integrated Charger) |
| Included Components | Power Adapter, User Manual |
| Battery Life | Approximately 8 hours |

Figure 5: Product Dimensions. This technical drawing provides the length (351mm), width (160mm), and height (248mm) of the Muse M-928 BTY Jobsite Radio.
Warranty and Support
Warranty information for the Muse M-928 BTY Jobsite Radio is not explicitly provided in the available product data. For details regarding warranty coverage, duration, and claims, please refer to the documentation included with your purchase or contact the manufacturer directly.
Customer Support
If you encounter any issues not covered in the troubleshooting section or require further assistance, please contact Muse customer support. Contact details can typically be found on the manufacturer's official website or in the product packaging.
- Manufacturer: Muse
- Website: (Please refer to product packaging or search online for official Muse support)
Spare parts availability and software update guarantees are not available according to the provided information.





