Introduction
The KEF Mu7 Noise Cancelling Wireless Headphones are designed to provide high-resolution audio with advanced noise cancellation. This manual provides instructions for the proper setup, operation, and maintenance of your Mu7 headphones.
Package Contents
Please verify that all items are present in your package:
- KEF Mu7 Noise Cancelling Wireless Headphones
- Audio Cable
- Protective Case
- USB-C Charging Cable
Product Overview
Familiarize yourself with the components of your KEF Mu7 headphones.
Image: The KEF Mu7 headphones in charcoal grey, showcasing their minimalist design and over-ear cups.
Image: A side view of the KEF Mu7 headphones, highlighting the control buttons and ports located on the right earcup.
Image: An illustration of the KEF Mu7 headphones emphasizing key features such as clear voice capture (cVc), Bluetooth 5.1 connectivity, and ergonomic design.
Image: The KEF Mu7 headphones displayed with icons indicating Smart Active Noise Cancellation and an extended battery life of approximately 40 hours.
Image: The KEF Mu7 headphones neatly folded and stored within their compact protective case, ready for travel.
Image: An illustration showcasing the KEF Mu7 headphones' features, including rapid charging, Qualcomm aptX HD audio support, and clear voice capture (cVc).
Setup
1. Charging the Headphones
Before first use, fully charge your KEF Mu7 headphones. A full charge provides up to 40 hours of use with Bluetooth and Active Noise Cancellation enabled.
- Connect the supplied USB-C charging cable to the charging port on the headphones.
- Connect the other end of the cable to a USB power source (e.g., computer, wall adapter).
- The LED indicator will show charging status.
- For quick charging, 15 minutes of charging provides approximately 8 hours of playback.
2. Bluetooth Pairing
To connect your KEF Mu7 headphones to a device wirelessly:
- Ensure the headphones are charged and powered off.
- Press and hold the Power button until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, computer), go to Bluetooth settings and enable Bluetooth.
- Select "KEF Mu7" from the list of available devices.
- Once connected, the LED indicator will turn solid blue.
- The headphones support Bluetooth 5.1 for stable connectivity up to 10 meters.
3. Wired Connection
For a wired connection, use the provided 3.5mm audio cable:
- Connect one end of the 3.5mm audio cable to the audio jack on the headphones.
- Connect the other end to the 3.5mm audio output of your device.
- The headphones will operate in passive mode when connected via cable, and battery power is not required for basic audio playback.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power button for 2 seconds. The LED will light up.
- Power Off: Press and hold the Power button for 3 seconds. The LED will turn off.
Controls (Touch and Button)
The KEF Mu7 headphones feature intuitive touch controls on the earcup and physical buttons for various functions.
- Playback Control: Use the touch surface for play/pause, skip track forward/backward.
- Volume Control: Adjust volume using the dedicated volume buttons or touch gestures.
- Call Management: Answer/end calls with a single tap on the touch surface. Reject calls by pressing and holding.
- Active Noise Cancellation (ANC): Press the ANC button to cycle through ANC modes (On, Off, Ambient Mode). Smart Active Noise Cancellation adapts to your environment.
Music Playback
Once connected via Bluetooth or wired, you can control your music directly from the headphones or your connected device.
- Play/Pause: Tap the center of the touch control panel.
- Next Track: Swipe forward on the touch control panel.
- Previous Track: Swipe backward on the touch control panel.
- Volume Up: Swipe up on the touch control panel or use the volume up button.
- Volume Down: Swipe down on the touch control panel or use the volume down button.
Maintenance
Cleaning
- Wipe the headphones with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, solvents, or spray cleaners.
- Avoid getting moisture into any openings.
Storage
- When not in use, store the headphones in their protective case to prevent damage.
- Store in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are fully charged. Connect to a power source using the USB-C cable. |
| Cannot pair via Bluetooth. |
|
| No sound or low volume. |
|
| Active Noise Cancellation not working effectively. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | MU7 |
| Connectivity Technology | Bluetooth, Wired, Wireless |
| Wireless Communication Technology | Bluetooth 5.1 |
| Bluetooth Range | 10 Meters |
| Noise Control | Active Noise Cancellation |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 40 Millimeters |
| Frequency Range | 20 Hz - 20,000 Hz |
| Battery Life | Up to 40 Hours (with Bluetooth and ANC) |
| Charging Time | 15 minutes for 8 hours playback (Fast Charging) |
| Control Method | Touch, Button |
| Headphones Jack | 3.5 mm Jack |
| Material | Leather (earcups/headband) |
| Item Weight | 2.2 pounds (approximately 1 Kilogram) |
| Product Dimensions | 10.63 x 9.45 x 3.54 inches |
| UPC | 637203047473 |
Warranty and Support
KEF products are designed and manufactured to the highest quality standards. For warranty information and technical support, please refer to the official KEF website or contact KEF customer service.
- Online Support: Visit the official KEF website for FAQs, product registration, and support resources.
- Customer Service: Contact KEF customer service for assistance with product issues or warranty claims.
Please retain your proof of purchase for warranty purposes.
