Focal FOAHALNOMB0B000
Focal Bathys High-Fidelity Bluetooth Noise Cancelling Headphones User Manual
Model: FOAHALNOMB0B000
Introduction
The Focal Bathys are high-fidelity Bluetooth noise-cancelling headphones designed to deliver detailed, precise, and dynamic sound reproduction. Featuring Aluminium-Magnesium 'M'-shaped dome speaker drivers made in France, these headphones offer an immersive listening experience with over 30 hours of battery life and advanced active noise cancelling technology. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Bathys headphones.

Image: Focal Bathys headphones in Black/Gray, showcasing their sleek design and premium build quality.
Setup
1. Charging Your Headphones
Before first use, fully charge your Bathys headphones. Connect the supplied USB-C cable to the headphone's USB-C port and the other end to a compatible USB power source. A full charge provides over 30 hours of listening time with Bluetooth and active noise cancelling enabled. Fast charging is supported, providing 5 extra listening hours in 15 minutes.
2. Bluetooth Pairing
- Ensure the headphones are powered on.
- Activate Bluetooth on your audio device (smartphone, tablet, computer).
- On the Bathys headphones, press and hold the Bluetooth pairing button until the LED indicator flashes, indicating pairing mode.
- Select 'Focal Bathys' from the list of available devices on your audio device.
- Once connected, the LED indicator will show a solid light. The Bathys support Bluetooth 5.1 Multipoint connectivity, allowing connection to two devices simultaneously.
3. Wired Connection
The Bathys headphones can also be used with a wired connection via the 3.5mm jack or USB-C. Use the included cables for optimal performance. The USB-C connection supports DAC mode for high-resolution audio playback.
Operating Instructions
Controls Overview
The Bathys headphones feature intuitive controls located on the earcups for easy management of audio playback, calls, and noise cancellation modes.

Image: Detailed view of the control buttons on the right earcup of the Focal Bathys headphones, including volume, multi-function, and ANC/Transparency mode switches.
- Power Button: Press and hold to power on/off.
- Volume Buttons (+/-): Adjust playback volume.
- Multi-function Button: Single press for play/pause or answer/end calls. Double press for next track. Triple press for previous track.
- Noise Cancelling/Transparency Mode Switch: Toggle between two optimized noise-cancelling modes (Silent, Soft) and a Transparency mode.
- DAC/OFF/ON Switch: Select between DAC mode (wired USB-C), Off, or On (Bluetooth/wired 3.5mm).
Noise Cancellation and Transparency
The Bathys headphones offer advanced active noise cancelling technology to immerse you in your music by reducing ambient noise. The transparency mode allows you to hear your surroundings without removing the headphones, ideal for situational awareness.

Image: A person wearing Focal Bathys headphones inside an airplane, demonstrating their use for noise cancellation during travel.
Maintenance
Cleaning
To maintain the quality and appearance of your Bathys headphones:
- Wipe the surfaces with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, solvents, or strong detergents.
- For the refined real leather and microfiber headband and earpads, gently wipe with a slightly damp cloth if necessary, then dry immediately. Earpads are easily replaceable.
Storage
When not in use, store your Bathys headphones in the provided protective case. This helps prevent scratches, dust accumulation, and damage during transport.

Image: Focal Bathys headphones neatly stored in their durable protective case, alongside the included cables.
Troubleshooting
If you encounter issues with your Focal Bathys headphones, refer to the following common solutions:
- No Power: Ensure the headphones are fully charged. Connect to a power source and allow a few minutes before attempting to power on.
- Cannot Pair Bluetooth: Ensure the headphones are in pairing mode (flashing LED). Turn off and on Bluetooth on your device. Move closer to the headphones (within 15 meters).
- No Sound: Check volume levels on both headphones and the connected device. Ensure the correct input mode (Bluetooth, 3.5mm, USB-C DAC) is selected.
- Noise Cancellation Issues: Ensure the ANC mode is correctly selected. Check for proper fit of the earcups to ensure a good seal.
- Distorted Sound: Try reducing the volume. Ensure there are no strong interference sources nearby. Test with a different audio source or cable.
For persistent issues, please visit the official Focal support website for further assistance.
Specifications
| Feature | Specification |
|---|---|
| Model Name | FBATHYS |
| Connectivity Technology | Wireless (Bluetooth 5.1 Multipoint), Wired (3.5 mm Jack, USB-C) |
| Noise Control | Active Noise Cancellation |
| Frequency Range | 15Hz to 22kHz |
| Impedance | 80 Ohm |
| Battery Life | Over 30 Hours (Bluetooth + ANC) |
| Charging Time | 30 Hours (Full Charge) |
| Item Weight | 2.61 pounds (1.19 Kilograms) |
| Product Dimensions | 9.45 x 8.46 x 3.35 inches |
| Included Components | Cable, Protective Case |
| Material | Microfiber (Headband/Earpads) |
Warranty and Support
Focal products are manufactured to the highest standards and come with a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official Focal website for detailed warranty terms and conditions specific to your region.
For technical support, product registration, or to find authorized service centers, please visit the Focal support page:
Ensure you have your model number (FOAHALNOMB0B000) and proof of purchase available when contacting support.
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