Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your LETSACTIV M98 Wireless TV Headphones. Designed for enhanced home entertainment, these headphones offer a private listening experience with low latency audio, making them ideal for seniors and individuals with hearing impairments. Please read this manual thoroughly before use to ensure proper functionality and longevity of your device.
Safety Information
- Do not expose the device to extreme temperatures, humidity, or liquids.
- Avoid dropping or subjecting the device to strong impacts.
- Do not attempt to disassemble or repair the device yourself. Refer to qualified service personnel.
- Keep out of reach of children.
- Prolonged listening at high volumes may cause hearing damage. Adjust volume to a comfortable level.
Package Contents
Verify that all items are present in your package:
- 1x LETSACTIV M98 Wireless TV Headphones
- 1x Transmitter / Charging Station
- 1x 3.5mm Audio Cable
- 1x RCA Adapter Cable
- 1x Optical Audio Cable
- 1x USB-C Charging Cable
- 1x Power Adapter
- 1x User Manual
Product Overview
The LETSACTIV M98 system consists of wireless headphones and a transmitter that also functions as a charging station.
Headphone Components:
- Power/Volume Control: Located on the earcup for easy access.
- Charging Port: On the earcup for direct cable charging.
- LED Indicator: Displays power and connection status.
- Adjustable Headband: For a comfortable fit.
- Protein Leather Earcups: Designed for comfort and breathability.
Transmitter/Charging Station Components:
- Charging Pins: For docking the headphones.
- Power Input: Connects to the power adapter.
- Audio Inputs: Optical, AUX (3.5mm), RCA ports for connecting to a TV or other audio source.
- Status LED: Indicates transmitter power and connection status.
Setup
1. Powering the Transmitter
- Connect the provided power adapter to the transmitter's power input.
- Plug the power adapter into a wall outlet. The transmitter's status LED will illuminate.
2. Charging the Headphones
Before first use, fully charge the headphones.
- Using the Charging Station: Place the headphones onto the charging pins of the transmitter. Ensure the charging contacts align. The headphone LED will indicate charging status. A full charge takes approximately 2 hours.
- Direct Charging: Connect the USB-C charging cable to the headphone's charging port and a USB power source.
3. Connecting the Transmitter to your TV/Audio Source
The transmitter supports Optical, AUX (3.5mm), and RCA audio inputs. Choose the appropriate cable based on your TV's available output ports.
- Optical Connection (Recommended for best audio quality):
Connect one end of the optical audio cable to your TV's Optical Digital Audio Out port and the other end to the transmitter's Optical IN port. Ensure the protective caps are removed from the cable ends. - AUX (3.5mm) Connection:
Connect one end of the 3.5mm audio cable to your TV's 3.5mm Audio Out (headphone jack) and the other end to the transmitter's AUX IN port. - RCA Connection:
Connect the RCA adapter cable to your TV's RCA Audio Out ports (red and white). Then, connect the 3.5mm end of the RCA adapter cable to the transmitter's AUX IN port.
Important: After connecting, you may need to adjust your TV's audio output settings to send sound through the selected port (e.g., set audio output to 'External Speakers' or 'Optical Out').
4. Powering On and Automatic Pairing
The LETSACTIV M98 headphones are designed for 'Plug and Play' operation, meaning they should automatically pair with the transmitter once both are powered on.
- Ensure the transmitter is powered on and connected to your TV.
- Turn on the headphones by pressing and holding the Power button on the earcup.
- The headphones and transmitter will automatically establish a connection. The LED indicators on both devices will confirm a successful connection (refer to the LED indicator section in the full manual for specific light patterns).
Operating
Wearing the Headphones
Adjust the headband for a comfortable and secure fit. The protein leather earcups are designed for extended wear.
Volume Control
Use the volume control knob/buttons on the headphone earcup to adjust the listening volume to your preference. You can also control the TV's volume independently if your TV settings allow.
Low Latency Audio
The headphones utilize Bluetooth 5.2 technology to provide an ultra-low latency audio experience (less than 40ms). This ensures perfect synchronization between audio and video, preventing noticeable lip-sync delays.
Extended Connection Range
The wireless connection range extends up to 90 meters (295 feet), allowing you to move freely around your home without losing audio signal.
Battery Life
The headphones provide up to 45 hours of playtime on a single full charge. When not in use, simply place them on the charging station for convenient recharging.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the headphones and charging station. Do not use abrasive cleaners or solvents.
- Storage: When not in use for extended periods, store the headphones on the charging station or in a cool, dry place.
- Battery Care: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from headphones | Headphones not powered on; Not paired; TV audio output incorrect; Cable loose/incorrect. | Ensure headphones are on and charged. Check transmitter power. Verify TV audio output settings. Reconnect audio cables securely. |
| Audio delay/lip-sync issues | Rare, but can occur with certain TV settings or external devices. | Ensure no other Bluetooth devices are interfering. Check TV audio delay settings if available. Restart both devices. |
| Headphones not charging | Improper placement on charging station; Faulty cable/adapter. | Ensure headphones are correctly seated on the charging pins. Check USB-C cable and power adapter. |
| Poor sound quality/static | Out of range; Interference; Low battery. | Move closer to the transmitter. Avoid strong electromagnetic interference. Charge headphones fully. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | M98 |
| Connectivity Technology | Wireless (Bluetooth 5.2) |
| Wireless Communication Technology | Bluetooth |
| Audio Latency | < 40ms |
| Connection Range | Up to 90 meters (295 feet) |
| Battery Life | Up to 45 hours playtime |
| Charging Time | Approx. 2 hours (USB-C) |
| Battery Composition | Lithium-ion |
| Audio Inputs (Transmitter) | Optical, AUX 3.5mm, RCA |
| Ear Placement | Over-Ear (Circum-Aural) |
| Material | Premium Protein Leather (earcups) |
| Control Type | Volume Control, Push Button |
| Color | Pure Black |
| Compatible Devices | TVs, Smartphones, Laptops, Bluetooth-compatible devices |
Warranty and Support
LETSACTIV products are designed for reliability and performance. For warranty information, please refer to the documentation included with your purchase or contact LETSACTIV customer support.
If you encounter any issues or have questions not covered in this manual, please contact our customer support team for assistance. Contact details can typically be found on the product packaging or the official LETSACTIV website.