1. Introduction
Thank you for choosing the kebidumei Q58-MAX Motorcycle Helmet Intercom. This device is designed to enhance your riding experience with advanced communication and entertainment features. It supports two-person intercom, music sharing, FM radio, and more, all within a robust, waterproof design. Please read this manual carefully to ensure proper installation and operation.
2. Key Features
- Advanced Bluetooth 5.3: For stable and fast connections.
- 500m Two-Person Intercom: Clear communication between two riders.
- Music Sharing: Share audio with another rider.
- MicroSD Card Support: Play music directly from a 4-32GB MicroSD card (not included).
- FM Radio: Built-in stereo FM radio with one-touch station search and automatic storage.
- IP65 Waterproof: Fearless of dust and rain for worry-free travel.
- Long-lasting Battery: 1000mAh capacity provides up to 25 hours of continuous use (intercom/phone/music) and 480 hours of standby time.
- LCD Digital Display: Clear display for status and settings.
- Dual-core DSP: For multi-scene mixing and enhanced audio processing.
- EQ Personalized Sound: 6 preset sound effects (Natural, Rock, Popular, Classical, Jazz, Country).
- CVC+DSP Noise Reduction: Effectively reduces environmental noise for immersive sound.
- AI Voice Assistant: Double-tap to activate your smartphone's voice assistant.
- Flashlight: Integrated LED lighting for convenience.
- Automatic Call Answering: Option to enable or disable automatic answering of phone calls.


3. Package Contents
The Q58-MAX Intercom package includes the following items:
- Q58-Max Host Unit
- Type-C Charging Cable
- Headphones (Soft Microphone, Hard Microphone, or 2-in-1 Microphone, depending on selected variant)
- Clip-on Base
- Host Velcro
- Microphone Pole Velcro (x2)
- Adhesive
- User Manual



4. Setup and Installation
4.1 Choosing the Right Microphone
The Q58-MAX comes with different microphone types to suit various helmet designs:
- Soft Microphone: Ideal for full-face helmets where the microphone can be easily positioned inside the helmet.
- Hard Microphone: Best for open-face or half-helmets where the microphone needs to be rigid and extend towards the mouth.
- 2-in-1 Microphone: A versatile option suitable for most helmet types.
4.2 Mounting the Intercom Unit
The Q58-MAX supports a split installation method for simple, convenient, and secure attachment to your helmet.
- Attach the clip-on base to the side of your helmet. Ensure it is securely fastened.
- Use the provided adhesive or Velcro to further secure the base if needed.
- Slide the Q58-Max host unit onto the installed base until it clicks into place.
- Attach the host Velcro to the helmet and the unit for additional stability.

4.3 Connecting Headphones and Microphone
- Insert the headphone and microphone connector into the designated port on the Q58-Max unit (Speaker/Marker Connector).
- Position the speakers inside your helmet, aligning them with your ears for optimal sound.
- Position the microphone near your mouth, ensuring it is clear of obstructions for clear voice pickup. Use the microphone pole Velcro to secure it.
4.4 Initial Charging
Before first use, fully charge the Q58-MAX unit using the provided Type-C charging cable. Connect the cable to the charging port on the unit and a suitable USB power source. A full charge takes approximately 2 hours.
5. Operating Instructions
5.1 Button Functions Overview

| Button/Feature | Function |
|---|---|
| Power On/Off / Play/Pause / Answer/Hangup | Press and hold to power on/off. Short press to play/pause music or answer/hang up calls. |
| Previous Song / Volume Down | Short press for previous song. Long press to decrease volume. |
| Next Song / Volume Up | Short press for next song. Long press to increase volume. |
| Voice Assistant / Music Sharing | Double-tap to activate AI voice assistant. Long press to initiate music sharing. |
| Intercom Button | Short press to start/end intercom. |
| Mode Key | Cycles through Bluetooth mode, Micro SD card mode, FM radio mode, EQ Sound settings, and On/Off Illumination. |
| Illuminated Lamp | LED lighting for visibility. Controlled via Mode Key. |
| LCD Display | Shows current mode, battery level, FM frequency, track info, etc. |
| Micro SD Card Slot | Insert Micro SD card (4-32GB) for local music playback. |
| Charging Port | Type-C port for charging. |
5.2 Bluetooth Pairing
- Ensure the Q58-MAX is powered off.
- Press and hold the Power button until the LED indicator flashes rapidly, indicating pairing mode.
- On your smartphone or other Bluetooth device, search for "Q58-MAX" in the Bluetooth settings.
- Select "Q58-MAX" to pair. Once connected, the LED indicator will slow flash or turn solid.
5.3 Intercom Function
The Q58-MAX supports 500m two-person intercom. To initiate an intercom conversation with another Q58-MAX unit:
- Ensure both units are powered on and within range.
- Short press the Intercom button on one of the units.
- The units will attempt to connect. Once connected, you can communicate.
- To end the intercom, short press the Intercom button again.


5.4 Music Playback and Sharing
From Bluetooth Device: Once paired, music from your smartphone will play automatically. Use the Previous/Next Song and Volume Up/Down buttons to control playback.
From MicroSD Card: Insert a MicroSD card (4-32GB, formatted FAT32) with MP3 files into the slot. Use the Mode Key to switch to Micro SD card mode. Playback will begin automatically. Use the Previous/Next Song and Volume Up/Down buttons to control playback.


Music Sharing: Long press the Voice Assistant/Music Sharing button to share your music with a connected intercom unit. Both riders can then listen to the same audio.

5.5 FM Radio
Use the Mode Key to switch to FM radio mode. Short press the Voice Assistant/Music Sharing button for one-touch station search. The device will automatically store available stations. Use the Previous/Next Song buttons to cycle through stored stations.

5.6 AI Voice Assistant
Double-tap the Voice Assistant/Music Sharing button to activate your smartphone's AI voice assistant (e.g., Siri, Google Assistant).

5.7 Multi-scene Mixing
The dual-core DSP allows for multi-scene mixing, enabling you to listen to music, receive navigation instructions, and talk via intercom or phone calls simultaneously with clear sound quality.

5.8 EQ Personalized Sound
Cycle through the 6 preset sound effects (Natural, Rock, Popular, Classical, Jazz, Country) using the Mode Key to find your preferred audio style.

6. Maintenance
6.1 Cleaning
- Wipe the unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Ensure all ports are dry before charging or using in wet conditions.
6.2 Battery Care
- Charge the device regularly, even if not in use, to maintain battery health.
- Avoid exposing the device to extreme temperatures, which can degrade battery performance.
6.3 Waterproofing
The Q58-MAX is IP65 rated, meaning it is protected against dust ingress and low-pressure water jets from any direction. While it is robust against rain, avoid submerging it in water for extended periods.

7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device won't power on | Low battery; Device malfunction | Charge the device fully. If still unresponsive, contact support. |
| Cannot pair with phone | Device not in pairing mode; Bluetooth off on phone; Interference | Ensure device is in pairing mode (rapid flashing LED). Turn phone's Bluetooth off/on. Move away from other Bluetooth devices. |
| Intercom not connecting | Units out of range; Intercom mode not activated; Interference | Ensure units are within 500m. Press the Intercom button on both units. Reduce interference. |
| No sound from speakers | Volume too low; Speakers disconnected; Faulty speakers | Increase volume. Check speaker connection. Test with another audio source if possible. |
| Microphone not working | Microphone disconnected; Obstruction; Faulty microphone | Check microphone connection. Ensure microphone is positioned correctly. |
| Poor sound quality / Noise | Environmental noise; Microphone placement; Interference | CVC+DSP noise reduction is active, but extreme noise may still affect quality. Adjust microphone position. Move away from strong electromagnetic fields. |
| MicroSD card not recognized | Incorrect format; Card not inserted properly; Corrupted card | Ensure card is FAT32 formatted (4-32GB). Reinsert card. Try a different card. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | Q58-MAX Bluetooth Motorcycle Helmet Intercom |
| Bluetooth Version | 5.3 |
| Maximum Intercom Distance | 500m (two-person) |
| Maximum Number of Speakers | 2 |
| Waterproof Rating | IP65 |
| Battery Capacity | 1000mAh |
| Continuous Use Time | Up to 25 hours (intercom/phone/music) |
| Standby Time | Up to 480 hours |
| Charging Time | Approx. 2 hours |
| Charging Port | Type-C |
| Micro SD Card Support | 4-32GB (FAT32 format, not included) |
| Noise Reduction | CVC+DSP |
| Special Functions | FM Radio, Universal Pairing, Music Sharing, Voice Control, LED Lighting |
| Applicable Helmet Type | Half Helmet, Modular Motocross, Open Face, Full Face, Flip Up Helmet, Vintage Armor |
| External Testing Certification | CE |
| Power Supply Mode | Built-in Battery |



9. User Tips
- For optimal audio quality, ensure speakers are positioned directly over your ears and the microphone is close to your mouth, away from direct wind.
- Regularly check the battery level on the LCD display to avoid unexpected power loss during rides.
- When using the MicroSD card, ensure your music files are in a compatible format (e.g., MP3) and the card is properly formatted.
- Practice using the buttons while stationary to become familiar with their functions before riding.
- Keep the firmware updated if new versions become available (check manufacturer's website for details).
10. Warranty and Support
The kebidumei Q58-MAX Intercom is designed for durability and performance. For any technical issues, troubleshooting assistance beyond this manual, or warranty claims, please contact your retailer or the manufacturer's customer support directly. Please retain your proof of purchase for warranty purposes.





