Boult Audio Fluid X Pro

Name: Boult Audio Fluid X Pro
Brand: Boult Audio
SKU: 4051

Manufacturer: Boult Audio

The Boult Audio Fluid X Pro are over-ear wireless headphones designed for extended listening sessions, combining a foldable build with a detachable, tangle-free cable for practical everyday use. Weighing 205 g, the headphones support both wired and wireless operation, and include an on-device control panel along with ambient sound mode for situational awareness. Active noise cancellation is built in, complemented by passive noise isolation for a more enclosed listening experience.

On the technical side, the Fluid X Pro use 40 mm drivers with neodymium magnets and cover a frequency range of 20 Hz to 20,000 Hz. Bluetooth 5.4 handles wireless connectivity with a stated range of up to 10 m, while USB Type-C handles charging of the built-in rechargeable battery, which is rated at 60 hours of playback. The headphones also feature a noise-canceling microphone, making them usable as a headset, and include a battery level indicator. A one-year warranty is provided.

Pros

The 60-hour battery life means the headphones can go extended periods between charges without interruption
Foldable build combined with a detachable cable makes the headphones easier to pack and transport
Both active noise cancellation and passive noise isolation work together to reduce ambient sound from two angles
The on-device control panel and noise-canceling microphone make the headphones functional for calls without needing a separate device
USB Type-C charging is a widely used standard, making it straightforward to find a compatible cable
Bluetooth 5.4 is a relatively current wireless version, and wired use is also supported as a fallback

Cons

No water resistance of any kind, limiting use in rain or high-humidity environments
The absence of advanced audio codecs such as aptX, AAC, or LDAC restricts wireless audio quality options
No fast pairing or NFC pairing support means connecting to a new device requires manual setup each time
In-ear detection is not available, so music will not automatically pause when the headphones are removed
The maximum Bluetooth range of 10 m is relatively limited for a wireless headphone
No mute function is available, which can be inconvenient during calls

Who is this for?

The Boult Audio Fluid X Pro is well-suited to users who spend long hours on calls or in meetings, thanks to its noise-canceling microphone and headset functionality combined with on-device controls. The 60-hour battery life makes it a practical choice for frequent travelers or commuters who need reliable playback across multiple days without recharging. The foldable design, detachable cable, and dual wired and wireless connectivity also make it a reasonable fit for those who move between environments regularly and want flexible usage options.

Who is this NOT for?

Users who prioritize high-resolution wireless audio will find this product limiting, as it lacks support for advanced codecs such as aptX, AAC, or LDAC, which restricts the quality of wireless audio transmission. The absence of water resistance makes it unsuitable for outdoor workouts, running, or use in wet or humid conditions. Additionally, audiophiles or users seeking immersive listening experiences will be disappointed by the lack of spatial audio support.

Design:

Fit	Over-ear
weight	205 g
has a detachable cable	✓
water resistance	None
can be folded	✓
is designed for kids	✕
has a tangle free cable	✓
has an open-back design	✕
has stereo speakers	✓

The Boult Audio Fluid X Pro feature an over-ear fit and weigh 205 g, making them a reasonably compact option for daily use. The closed-back design incorporates stereo speakers and the headphones can be folded, which aids portability and storage. Both the detachable and tangle-free cable add to the practical design, allowing for flexible use in wired mode. Water resistance is not provided, and the headphones are not intended for children.

Sound quality:

has active noise cancellation (ANC)	✓
lowest frequency	20 Hz
highest frequency	20000 Hz
driver unit size	40 mm
supports spatial audio	✕
has a neodymium magnet	✓
has passive noise reduction	✓

The Boult Audio Fluid X Pro are equipped with 40 mm drivers backed by neodymium magnets, covering a frequency range of 20 Hz to 20,000 Hz. Both active noise cancellation and passive noise reduction are supported, giving the headphones two layers of ambient sound blocking. Spatial audio is not available on this model.

Power:

Battery life	60 hours
Has USB Type-C	✓
has a battery level indicator	✓
has wireless charging	✕
Has a solar power battery	✕
has a rechargeable battery	✓
has a removable battery	✕

The Boult Audio Fluid X Pro house a built-in rechargeable battery rated at 60 hours of battery life, with a battery level indicator included to help track remaining charge. Charging is handled via USB Type-C, while wireless charging and solar charging are not supported. The battery is not removable.

Connectivity:

connectivity	Wireless & wired
Bluetooth version	5.4
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 Boult Audio Fluid X Pro support both wireless and wired connectivity, with the wireless side handled by Bluetooth 5.4 at a maximum range of 10 m. Advanced audio codecs including aptX, aptX HD, aptX Adaptive, aptX Low Latency, aptX Lossless, AAC, LDAC, and LDHC are not supported, and the headphones also lack Bluetooth LE Audio and Auracast. Fast pairing and NFC-based pairing are not available on this model.

Features:

has a noise-canceling microphone	✓
has ambient sound mode	✓
has in/on-ear detection	✕
has a mute function	✕
control panel placed on a device	✓
can be used as a headset	✓
Has an in-line control panel	✕
warranty period	1 years

The Boult Audio Fluid X Pro can be used as a headset, supported by a noise-canceling microphone and an on-device control panel for managing calls and playback. An ambient sound mode is included, allowing users to let in environmental audio when needed. In-ear detection and a mute function are not available, and controls are handled solely on the headphones themselves with no in-line cable remote. The headphones come with a one-year warranty.

Final Verdict

The Boult Audio Fluid X Pro positions itself as a practical over-ear headphone for users who value endurance and versatility over audiophile-grade wireless performance. Its 60-hour battery life, combined with active noise cancellation, passive noise isolation, and a foldable wired/wireless design, gives it a strong foundation for everyday commuting, office use, and extended listening. The lack of high-resolution codec support and water resistance does narrow its appeal for more demanding use cases, but for users whose primary needs revolve around long battery life, call functionality, and reliable noise reduction, the Boult Audio Fluid X Pro delivers a well-rounded and capable feature set.