Focal Bathys MG Wireless Noise-Cancelling Headphones
User Manual and Product Information
Introduction
Focal Bathys MG embodies the essence of wireless listening, combining high-fidelity sound with active noise cancelling. Using magnesium speaker drivers with 'M' shaped domes, it delivers natural, dynamic, and extremely detailed sound, transforming every listening session into an immersive, captivating experience. With over 30 hours of battery life and a refined design inspired by Focal's high-end headphones, it combines premium materials (genuine leather, magnesium, and aluminium) with exceptional comfort. Lightweight and robust, Bathys MG is the ideal companion for anyone in search of sound perfection wherever they go.
This document provides comprehensive user information, including setup, operation, safety guidelines, and technical specifications.
Quick Start Guide
Get started quickly with your Focal Bathys MG headphones.
Package Contents
- 1x Bathys MG headphones
- 1x Carrying case
- 1x USB-C cable
- 1x Jack cable
- 1x Quick Start guide
Basic Operation
Powering On/Off: Slide the power button [⚙️] to the ON position to turn on the headphones. Slide to OFF to turn them off. The headphones will automatically enter standby mode after 15 minutes of inactivity in Bluetooth mode.
Pairing: To initiate pairing mode, press and hold the multifunction button [▶️/?] for 4 seconds. The logo will flash. Navigate to your device's Bluetooth settings and select "Focal Bathys MG" to connect.
Volume Control: Use the '+' [➕] and '-' [➖] buttons to adjust the volume.
Playback Control: The multifunction button [▶️/?] controls playback: press once for play/pause/answer call, twice for next track, three times for previous track.
ANC/Transparency Modes: Press the button on the left earcup to cycle through modes: Silent [?], Soft [?], Transparency [?️]. Press and hold for 2 seconds to change the noise reduction level.
USB DAC Mode: Connect the headphones using the USB-C cable and move the power switch to the DAC position for high-resolution audio.
Charging: Connect the USB-C cable to the headphones and a power source. The battery indicator light [?] flashes white while charging and stays solid white when fully charged.
Important Safety Instructions ⚠️
Please read these instructions carefully before using the product and keep them for future reference.
- Hearing Protection: Listening at high volumes can cause permanent hearing damage. Avoid prolonged exposure to volumes over 85 dB. Always start with the volume low and gradually increase it. Take regular breaks. If you experience tinnitus or hearing loss, stop using the headphones immediately and consult a doctor.
- Awareness: Do not use headphones in situations requiring full awareness of your surroundings, such as driving, cycling, or in heavy traffic. Active noise cancellation can reduce your perception of ambient sounds and warning signals.
- Children: Children under 14 should use the headphones under supervision.
- Usage: Do not use headphones for purposes other than their intended function, such as noise protection or aviation communication.
- Moisture/Heat: Do not expose headphones to moisture or immerse them in water. Avoid extreme heat (above 70°C) and cold (below -5°C).
- Repairs: Do not attempt to repair the device yourself. Have all servicing performed by a professional.
- Battery Safety: The product contains a lithium-ion battery. Do not disassemble, puncture, incinerate, or expose the battery to extreme temperatures or short-circuiting. Replace only with identical batteries from an authorized dealer. Use only certified Limited Power Supply (LPS) adapters.
- Medical Devices: The product contains magnetic components [?] that may interfere with pacemakers and implanted defibrillators. Consult your doctor if you have an implanted medical device.
- Disposal: Dispose of the product responsibly according to local regulations (♻️).
Key Features
- Active Noise Cancelling (ANC): Multiple modes (Silent [?], Soft [?]) to immerse yourself in sound or reduce ambient noise.
- Transparency Mode: Allows you to hear ambient sounds and have conversations without removing the headphones.
- Bluetooth® 5.2 Multipoint: Connect to two devices simultaneously for seamless switching. Supports SBC, AAC, aptX™ Adaptive, aptX™ audio codecs.
- USB DAC Mode: High-resolution audio playback up to 24-bit/192kHz.
- Magnesium Speaker Drivers: 1.57" (40mm) drivers made in France for natural, detailed sound reproduction.
- Long Battery Life: Over 30 hours of playback in Bluetooth® mode. Fast charging provides 5 hours of listening from a 15-minute charge.
- Premium Design: Genuine leather and microfibre headband, aluminium and magnesium construction for durability and lightness.
- Focal & Naim App: Control EQ settings, manage connections, and access updates.
- Voice Assistant Compatibility: Access Siri or Google Assistant.
Detailed Operation
Powering On, Off, and Standby
Slide the power switch [⚙️] to ON to power on. The headphones will attempt to connect to a previously paired device. To power off, slide the switch to OFF. If inactive for over 15 minutes in Bluetooth mode, they enter standby automatically.
Pairing and Connecting Devices
The headphones can store up to 8 devices. To enter pairing mode, press and hold the multifunction button [▶️/?] for 4 seconds until the logo flashes. On your source device, go to Bluetooth settings and select "Focal Bathys MG". For multipoint connection (two devices), pair the first device, then repeat the pairing process for the second device.
Audio Modes
- Bluetooth®: Ensure the power switch is ON. Automatic pairing on first use.
- Jack: Use the supplied 1.2m (3.9ft) 3.5mm jack cable. Connect it to the right earcup. The power switch must be ON. Bluetooth disconnects when the jack cable is plugged in.
- USB DAC: Use the supplied 1.2m (3.9ft) USB-C cable [?] and move the power switch to the DAC position. This mode supports high-resolution audio.
Playback Controls
- Play/Pause/Answer/End Call: Press multifunction button [▶️/?] once.
- Next Track: Press multifunction button twice.
- Previous Track: Press multifunction button three times.
- Increase Volume: Press '+' [➕] button.
- Decrease Volume: Press '-' [➖] button.
Charging the Headphones
Connect the USB-C cable to the headphones and a power source (5V-2000mA recommended for fast charging). The battery indicator light [?] shows charging status. Full charge takes approximately 1.5 hours (with 2A adapter) and provides up to 30 hours of listening time.
Active Noise Reduction (ANC) and Transparency Mode
Press the button on the left earcup to cycle through modes:
- Silent [?]: Maximum noise reduction.
- Soft [?]: Reduces low-frequency noises, allows some ambient sound.
- Transparency [?️]: Allows ambient sounds and conversations without removing headphones.
Press and hold the ANC button for 2 seconds to change the ANC level within the selected mode.
Voice Assistants
Press the button on the right earcup [?️] to activate your device's voice assistant (e.g., Siri, Google Assistant).
Telephone Communications
When a call is received, playback pauses. Answer/end calls by pressing the multifunction button [▶️/?] once. Reject calls by pressing and holding the multifunction button for 2 seconds.
Product Lighting
LEDs on the earcups indicate status. These can be controlled via the Focal & Naim app.
- Searching for device: LEDs flash
- Pairing mode: LEDs flash slowly
- Connected: LEDs light up
- Battery charging: USB LED flashes white
- Battery charged: USB LED lights up white
- Jack mode: LEDs light up 50%
- USB-C mode: LEDs light up 50%
- OFF: LEDs switched off
Replacing Earpads
Earpads can be detached by carefully pulling them to release the 6 clips. Ensure correct reattachment for optimal sound and ANC. Replace only with the specified model from an authorized dealer.
Cleaning and Storage
Clean with a soft, dry cloth. For stains on leather, consult a specialist. Store flat in the carrying case when not in use. Fully charge the battery every 3 months if stored for extended periods.
Firmware Updates & Factory Reset
Use the Focal & Naim app to update firmware. To restore factory settings, press and hold the "ANC" and "Transparency" buttons for 8 seconds. For a forced shutdown, press "+", "-" and "ANC" buttons simultaneously.
Technical Specifications
Feature | Specification |
---|---|
Type | Closed-back wireless headphones, active, noise cancelling |
Bluetooth® Technology | 5.2 Multipoint |
Bluetooth® Range | > 15m (50ft) |
Bluetooth® Frequency Band | 2402 - 2480MHz |
Audio Codecs | SBC, AAC, aptX™ Adaptive, aptX™ |
Battery Life | 30h (Bluetooth® Noise Cancelling), 35h (Jack mode), 42h (USB DAC mode) |
Other Functions | Google Fast Pair, Voice Assistants |
Drivers | 1.57" (40mm) Magnesium speaker drivers with 'M' shaped domes, made in France |
Frequency Response | 10Hz to 22kHz |
Harmonic Distortion Rate | <0.2% @1kHz |
Battery Type | Lithium-ion 1060mAh |
Power Supply (Charging) | 5V-2000mA (LPS certified) |
Microphones | 8 (Clear Voice® technology) |
Weight | 350g (0.77lbs) |
Carrying Case Dimensions | 9.5 x 8.3 x 2.8" (24 x 21 x 7cm) |
Control Application | Focal & Naim (iOS and Android compatible) |
Connections | Bluetooth®, 3.5mm Jack, USB Type-C® [?] |
Compliance and Trademarks
This product complies with applicable European regulations and directives (2014/53/EU) and UK regulations. It meets FCC Part 15 requirements and ISED (Canada) standards for radio frequency emissions and exposure. Markings related to country certifications and manufacturer information are located under the earpads.
Trademarks: Qualcomm®, aptX™, aptX™ Adaptive are trademarks of Qualcomm Incorporated. Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. Use of the "Made for Apple" badge signifies compliance with Apple performance standards. Apple, iPhone, iPad, etc., are trademarks of Apple Inc.
Disposal: Dispose of this product responsibly according to local recycling guidelines (♻️).
Warranty
Focal products are covered by a warranty provided by the official Focal distributor in your country, adhering to local legal warranty terms.
Register your product online at: www.focal.com/warranty