Introduction
Thank you for choosing the Moman RS-H4P Motorcycle Helmet Headset. This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance and safety. Please read it carefully before use.
Safety Warnings and Product Care
- Keep the product in a dry, clean, dust-free environment.
- Keep corrosive chemicals, liquids, and heat sources away from the product to prevent mechanical damage.
- Use only a soft and dry cloth for cleaning the product.
- Malfunction may be caused by dropping or the impact of external force.
- Do not attempt to disassemble the product. Doing so voids the warranty. Please have the product checked or repaired by authorized technicians if any malfunctions happen.
- Failure to follow all instructions may result in mechanical damage. Warranty does not apply to human errors.
- Do not put the product into fire to avoid explosion.
- Keep the product away from sharp objects to avoid damage.
- If not used for a long time, store the product in a dry place.
Product Overview
Package Contents
The Moman RS-H4P package includes the following items:
- Moman H4Plus Wireless Headset x1
- Replaceable hard mic and soft mic speakers x1
- Back Clip x1
- Velcro installation package x1 (Speaker *4/ Hard Mic *2/Soft Mic *2)
- USB Cable x1 (Type-C Charging Cable)
- User Manual x1
- Hexagon Key x1
Device Diagram

Figure 1: Moman RS-H4P Headset with key features highlighted.
- Volume-/Previous Button
- Volume +/Next Button
- FM Radio Button
- Voice Assistant Activate Button
- On/Off Button/Play or Pause Button/Call Answer Button
- Indicator
- Charging Port
- Speaker/Microphone Interface
Product Video Overview
Video: An overview of the Moman RS-H4P Motorcycle Helmet Headset, showcasing its features and design.
Setup
Installation
Before installing the headphones, follow the Quick Manual instructions to connect your phone and listen to the sound and volume. If there is a large difference in sound effects and volume after installing it on the helmet, please adjust the position of the speaker in the helmet.
Method 1: Tape Installation
- Loosen the screws on the back clip and separate the two parts.
- Stick the provided tape near the lower edge of your helmet, then attach the inner part of the back clip on the tape.
- Slide the headset into the back clip slot and lock it firmly in place.
- Open the liner at the ear position and clean the EPS (Expanded Polystyrene) surface of the helmet, then stick the provided tape on both the left and right sides of the helmet.
- Attach the speaker on the fixed tape surface, and the speaker with the shorter cable should be placed close to the headset. Fix the microphone in place and arrange the helmet lining and cable.
- Insert the headset cable into the headset's jack, and secure the headset cable neatly inside the helmet.
Method 2: Clip Installation
- Slide the back clip from the lower edge of the helmet and secure it in place.
- Slide the headset into the back clip slot and lock it firmly.
Speaker and Microphone Installation (Common to both methods)
For both installation methods, ensure the speakers are positioned correctly for optimal audio. The speaker with the shorter cable should be closer to the headset unit. Secure the microphone and neatly arrange all cables within the helmet lining.

Figure 2: Illustration of the dual mounting options (clip-on and hook & loop) for the Moman RS-H4P headset.
Bluetooth Pairing
- Power on the device and wait for the RGB light to flash, indicating it has entered Bluetooth Mode.
- Enable Bluetooth on your phone and connect to the device named "MOMAN RS-H4P".
Voice Prompt: "Bluetooth Connected" upon successful pairing. The RGB light will become steady.
Operating Instructions
Power On/Off
Power On
Long press the On/Off button (5) for 3 seconds. The device will flash a green light, then the RGB light, and you will hear the voice prompt "Power On".
Power Off
Long press the On/Off button (5) for 3 seconds. The red light will be steady, then release the button to turn off the indicator. You will hear the voice prompt "Power Off".
Phone Control
Disconnect Bluetooth, then double-click the Voice Assistant Activate Button (4) to switch between Manual Answer Mode and Automatic Answer Mode. Voice Prompt: "Automatic Answer" / "Manual Answer".
Automatic Answering Mode
After entering Automatic Answer Mode, incoming calls will be automatically picked up after 10 seconds. Short press the On/Off button (5) to end the call.
Manual Answering Mode
After entering Manual Answering Mode, short press the On/Off button (5) to pick up or end a call. Long press the Voice Assistant Activate button (4) for 2 seconds to reject a call.
Redial Last Call
Double-click the On/Off button (5) to redial the last call.

Figure 3: Hands-free convenience with AI voice assistant, automatic answer, and music control.
Music Control
- Pause/Play: Short press the On/Off button (5).
- Next Song: Short press the + button (2).
- Previous Song: Short press the - button (1).
- Volume Up: Long press the + button (2). (A "Boom Sound" indicates maximum volume).
- Volume Down: Long press the - button (1).
Activate Voice Assistant
Short press the Voice Assistant Activate button (4) to activate your phone's AI voice assistant (e.g., Siri, Google Assistant). You will hear a voice prompt confirming activation.

Figure 4: One-click activation of AI voice assistant for commands like calling, music control, and navigation.
FM Radio
- Turn On/Off: Double-click the FM button (3). Voice Prompt: "FM Radio".
- Station Scanning: Short press the FM button (3) to start or stop FM radio station scanning. The device can save up to 10 FM stations (76-108MHz). Re-scanning will delete previously saved stations.
- Next Station: Short press the + button (2).
- Previous Station: Short press the - button (1).
- Volume Up: Long press the + button (2). (A "Boom Sound" indicates maximum volume).
- Volume Down: Long press the - button (1).

Figure 5: Built-in FM radio allows saving up to 10 channels for entertainment on the go.
Charging
When the battery is low, the red light will flash, and you will hear the voice prompt "low battery, please charge". Connect the device to a power source using the provided Type-C charging cable.
- Charging Indicator: Red light is on when charging.
- Fully Charged Indicator: Light turns off when fully charged.
- Charging Voltage: 5V-0.5A

Figure 6: Battery specifications and charging indicators. Please power off before charging.
Language Settings
Disconnect Bluetooth, then double-press the + button (2) to switch between Japanese and English. Voice Prompt: "Japanese" / "English".
Reset
Long press the FM button (3) for 8 seconds to perform a factory reset. This will delete the pairing memory. The blue and red lights will flash simultaneously during the reset, and the RGB light will flash once the reset is complete.
Specifications
| Feature | Detail |
|---|---|
| Model | RS-H4P |
| Connection Distance with Mobile | 10m |
| Wireless Version | 5.1 |
| Wireless Name | MOMAN RS-H4P |
| Wireless Protocol | A2DP, AVRCP |
| Charging Port | Type-C |
| Battery | 3.7V/1000mAh Lithium Battery |
| Charging Time | 1.5H |
| Charging Voltage | 5V |
| Speaker Diameter | 40mm |
| Frequency Range | 2.4GHZ |
| Temperature Range | -20~50℃ |
Troubleshooting
FCC Compliance Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference.
- This device must accept any interference received, including interference that may cause undesired operation.
Common Issues & Solutions (General Advice)
- No Power: Ensure the device is fully charged. Check the charging cable and adapter.
- Cannot Pair: Make sure the headset is in Bluetooth pairing mode (RGB light flashing). Ensure your phone's Bluetooth is on and visible. Try resetting the headset (see Reset section).
- Poor Audio Quality / Low Volume: Adjust speaker position inside the helmet. Ensure the microphone is correctly positioned to reduce wind noise. Check the volume levels on both the headset and your connected device.
- Interference: Move away from other electronic devices that might cause interference. Refer to the FCC compliance statement for further guidance.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the headset. Do not use harsh chemicals or abrasive cleaners.
- Storage: When not in use for extended periods, store the headset in a dry, cool, and dust-free environment. Ensure it is fully charged before long-term storage to preserve battery life.
- Water Resistance: The device is IPX6 waterproof, meaning it can withstand strong jets of water. However, avoid submerging it in water. Ensure the charging port cover is securely closed when not charging to maintain water resistance.
User Tips
- Optimal Microphone Placement: For the best call clarity, especially at higher speeds, ensure the windproof soft/hard mic is positioned correctly to minimize wind noise.
- Glove-Friendly Operation: The enhanced button layout is designed for easy use with gloves. Familiarize yourself with button functions before riding.
- Helmet Protection: The Moman RS-H4P features a cushion pad to shield your helmet from scratches during installation, unlike some other designs.
- Secure Mounting: The unique design with screw adjustment for tightness ensures a secure fit, preventing the headset from coming loose during travel.
Warranty and Support
For any product inquiries, technical support, or warranty claims, please contact Moman (UK) Limited directly. Do not attempt to disassemble or repair the product yourself, as this will void the warranty.
Contact Information:
- Company: Moman (UK) Limited
- Address: Unit 25 Basepoint Business Centre, Aviation Park, West Christchurch, United Kingdom BH23 6NX
- Website: www.momanx.com
- Social Media: @MomanGlobal
- YouTube: https://moman.co/youtube