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Focal Bathys MG specifications and in-depth review

Focal Bathys MG

Manufacturer: Focal

The Focal Bathys MG is an over-ear headphone that combines wireless and wired connectivity in a foldable, travel-ready design. Weighing 350 g and supplied with a travel bag, it is built for use on the move without sacrificing build quality. Active noise cancellation is supported alongside a passive noise-isolating construction, giving listeners two layers of sound isolation in a closed-back form factor.

On the connectivity side, the Bathys MG runs Bluetooth 5.2 with support for aptX Adaptive and AAC codecs, covering a maximum wireless range of 10 m, while multipoint pairing allows simultaneous connection to two devices. The 40 mm neodymium driver operates across a frequency range of 10 Hz to 22,000 Hz at 32 Ohms impedance. Power comes from a 1,060 mAh rechargeable battery rated at 30 hours of playback, rechargeable via USB Type-C in approximately 1.5 hours. Two noise-canceling microphones handle calls and voice input, and an ambient sound mode lets external audio through when needed.

Pros
  • Supports both wireless and wired operation, offering flexibility depending on the listening situation
  • Active noise cancellation is complemented by passive noise isolation, providing two layers of sound blocking
  • 30 hours of battery life with a relatively short 1.5-hour charge time via USB Type-C
  • Foldable design paired with an included travel bag makes it practical for travel
  • aptX Adaptive and aptX codec support alongside Bluetooth 5.2 enables higher-quality wireless audio transmission
  • Multipoint connection allows simultaneous pairing with two devices without switching manually
Cons
  • No in/on-ear detection means playback does not pause automatically when the headphones are removed
  • Wireless charging is not supported, requiring a cable for every recharge
  • Bluetooth range is limited to 10 m, which may be restrictive in larger spaces
  • No NFC or fast pairing support, making the initial connection process more manual
  • Spatial audio is not supported, limiting immersive listening options
  • No mute function is available during calls or voice use
Who is this for?

This headphone suits commuters, frequent travelers, and office users who benefit from its foldable design, included travel bag, and active noise cancellation — all of which make it practical in noisy, on-the-go environments. The 30-hour battery life and USB Type-C charging make it a reliable companion for long days or extended trips, while multipoint connectivity appeals to users who regularly switch between a phone and a laptop without wanting to manually re-pair each time.

Who is this NOT for?

Users who prioritize spatial or immersive audio experiences will find this headphone lacking, as spatial audio is not supported. Those who frequently set their headphones down mid-listening may be frustrated by the absence of in/on-ear detection, which would otherwise pause playback automatically. Additionally, anyone who relies on quick, cable-free charging or needs reliable connectivity across larger spaces will be limited by the lack of wireless charging and the 10 m Bluetooth range ceiling.

Design:

Fit Over-ear
weight 350 g
has a detachable cable ✓
water resistance None
can be folded ✓
is designed for kids ✕
has a tangle free cable ✓
travel bag is included ✓
has an open-back design ✕
cable length 1.2 m
has stereo speakers ✓

The Focal Bathys MG is an over-ear headphone with a foldable design and a weight of 350 g, making it well-suited for travel, especially since a travel bag is included in the box. It uses a closed-back construction with stereo speakers and connects via a 1.2 m detachable, tangle-free cable when used in wired mode. The headphones offer no water resistance, and are not intended for children. There is no open-back design, keeping the listening experience self-contained.

Sound quality:

has active noise cancellation (ANC) ✓
lowest frequency 10 Hz
highest frequency 22000 Hz
driver unit size 40 mm
impedance 32 Ohms
supports spatial audio ✕
has a neodymium magnet ✓
has passive noise reduction ✓

The Focal Bathys MG uses a 40 mm neodymium driver with an impedance of 32 Ohms and a frequency range spanning 10 Hz to 22,000 Hz. It features both active noise cancellation and passive noise reduction, offering two complementary layers of sound isolation. Spatial audio is not supported on this model.

Power:

Battery life 30 hours
charge time 1.5 hours
Has USB Type-C ✓
has a battery level indicator ✓
has wireless charging ✕
battery power 1060 mAh
Has a solar power battery ✕
has a rechargeable battery ✓
has a removable battery ✕

The Focal Bathys MG is equipped with a 1,060 mAh rechargeable battery offering 30 hours of battery life, with a full charge taking approximately 1.5 hours via USB Type-C. A battery level indicator is built in so remaining charge is easy to monitor. The battery is not removable, and neither wireless charging nor solar charging is supported.

Connectivity:

connectivity Wireless & wired
Bluetooth version 5.2
has aptX Adaptive ✓
has aptX ✓
has LDAC ✕
has LDHC ✕
has Bluetooth LE Audio ✕
has aptX Low Latency ✕
has aptX HD ✕
has aptX Lossless ✕
has AAC ✓
has Auracast ✕
maximum Bluetooth range 10 m
has fast pairing ✕
supports Bluetooth pairing using NFC ✕

The Focal Bathys MG supports both wireless and wired connectivity, with the wireless side handled by Bluetooth 5.2 across a maximum range of 10 m. Supported audio codecs include aptX Adaptive, aptX, and AAC, while LDAC, LDHC, aptX HD, aptX Low Latency, aptX Lossless, and Bluetooth LE Audio are not available. Auracast broadcast audio is also absent, and the headphones do not offer fast pairing or NFC-based pairing.

Features:

has a noise-canceling microphone ✓
has ambient sound mode ✓
has in/on-ear detection ✕
number of microphones 2
has a mute function ✕
multipoint count 2
control panel placed on a device ✓
can be used as a headset ✓
Has an in-line control panel ✕

The Focal Bathys MG can be used as a headset, equipped with two noise-canceling microphones and an ambient sound mode that allows environmental audio to pass through when needed. Controls are handled via an on-device panel rather than an in-line cable control, and multipoint connectivity supports up to two simultaneous device connections. In/on-ear detection and a mute function are not included.

Final Verdict

The Focal Bathys MG is a well-specified over-ear headphone built around a practical combination of noise cancellation, wireless flexibility, and travel-ready design. Its 30-hour battery life paired with aptX Adaptive Bluetooth 5.2 makes it a capable daily driver for commuters and frequent travelers who value both audio quality and convenience. While the absence of features like in/on-ear detection, spatial audio, and wireless charging leaves some gaps that attentive users will notice, the overall specification set is coherent and purposeful. For listeners who need reliable sound isolation, dual-device connectivity, and a portable form factor in a single package, the Bathys MG delivers a focused and well-rounded feature set.

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