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FiiO UTWS5 2025 - Bluetooth adapter for in-ear headphones with MMCX or 0.78 2-pin

High-quality in-ear headphones that normally rely on a cable and are equipped with an MMCX connector or 0.78 2-pin connector can be equipped for Bluetooth with the new FiiO UTWS5 2025 True Wireless Bluetooth Amplifier. This is the second generation of this exciting solution from FiiO Electronics Technology Co. Ltd.

Story Highlights
  • The new FiiO UTWS5 2025 True Wireless Bluetooth Amplifier is designed as a universal solution for upgrading in-ear headphones with Bluetooth.

For years, many HiFi enthusiasts have relied on high-quality in-ear headphones for music playback on the go, although these often rely on a cable. Sometimes you have invested a lot of money in them and they still work perfectly, so even if you favour wireless solutions due to their greater convenience in everyday use, you don’t want to discard them just yet.

The Chinese specialist for personal audio devices FiiO Electronics Technology Co. Ltd. has already come up with solutions to this problem with the FiiO UTWS Series. A variety of in-ear headphones with detachable cables could be equipped for Bluetooth. It all began with the FiiO UTWS1 True Wireless Bluetooth Module and FiiO UTWS3 True Wireless Bluetooth Amplifier, followed in November 2021 by the FiiO UTWS5 True Wireless Bluetooth Amplifier, which is now available in the latest generation.

FiiO UTWS5 2025 True Wireless Bluetooth Amplifier – The latest generation

Now FiiO Electronics Technology Co. Ltd. presents the latest generation of this solution with the FiiO UTWS5 2025 True Wireless Bluetooth Amplifier, once again a tool that turns almost any high-quality wired in-ear headphones into a wireless version, at least if the cable is detachable and the earbuds have a so-called MMCX connector or 0.78 2-pin connector.

Adapter for the wireless use of in-ear headphones

The FiiO UTWS5 2025 True Wireless Bluetooth Amplifiers are designed so that they are simply connected to the earbuds via MMCX connector or 0.78 2-pin connector, i.e. there are two modules, one for the left and one for the right.

The adapters are designed to be very flat and lightweight. The bracket is inserted behind the ear from the front, whereby the entire electronics are then fixed behind the ear and this special shape guarantees a secure hold in all situations.

The manufacturer promises comfortable use, whereby this solution is naturally resistant to moisture in accordance with IPX4 and can therefore even be used for sports in all weather conditions.

Qualcomm QCC5141 with Qualcomm Snapdragon Sound and AKM AK4332 DAC

At the heart of the FiiO UTWS5 2025 True Wireless Bluetooth Amplifier is a QCC5141 with Qualcomm Snapdragon Sound from Qualcomm Inc., a Bluetooth module according to Bluetooth 5.2 that supports SBC and AAC as well as aptX, aptX Adaptive, LDAC and LHDC. This enables signal transmission at up to 24 bit and 96 kHz, provided this is also offered by the source device. Speech is transmitted via the integrated microphones at up to 32 kHz, so that clear voice quality is always guaranteed when using this solution as a hands-free device.

For signal conversion as well as adequate, high-performance control of the in-ear headphones, the developers rely on an AKM AK4332 DAC from Asahi Kasei Microdevices Corporation for each channel, whereby not only the D/A converter but also the integrated OP amp is used as the output stage.

The new FiiO UTWS5 2025 True Wireless Bluetooth Amplifier can be configured using the FiiO Control App, which provides a 10-band parametric equaliser, for example. It should also be mentioned that the FiiO UTWS5 2025 True Wireless Bluetooth Amplifier can be connected to two source devices simultaneously via Bluetooth Multipoint Connection in order to switch seamlessly between them.

Wireless charging via transport box

What is new is that the transport box, which is part of the scope of delivery, now has wireless charging. Compared to its predecessor, the FiiO UTWS5 2025 True Wireless Bluetooth Amplifier no longer has any contacts that could corrode in the long term.

The Bluetooth adapter switches off automatically as soon as it is placed in the charging case and is automatically activated as soon as it is removed from the case.

Of course, the charging case is designed to accommodate the FiiO UTWS5 2025 True Wireless Bluetooth Amplifier including in-ear headphones, which should be mentioned for the sake of completeness.

Prices and availability

The new FiiO UTWS5 2025 True Wireless Bluetooth Amplifier should be available from specialist retailers in the next few days. The recommended retail price is listed at € 174,90. When purchasing, you will of course have to decide whether to choose the version for MMCX connector or 0.78 2-pin connector.

Getting to the point

The solutions of the FiiO UTWS Series have already been convincing as solutions that equipped in-ear headphones with MMCX connector or 0.78 2-pin connector as an alternative to the cable with Bluetooth. Now, with the new FiiO UTWS5 2025 True Wireless Bluetooth Amplifier, the latest generation of this product line from FiiO Electronics Technology Co. Ltd. is available, which has once again been improved in relevant details compared to its predecessors.

ProductFiiO UTWS5 2025 True Wireless Bluetooth Amplifier
Price€ 174,90
BrandFiiO
ManufacturerFiiO Electronics Technology Co. Ltd.
DistributionNT Global Distribution GmbH
More about this manufacturer at HIFI BLOG

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Michael Holzinger

Michael Holzinger, founder and editor-in-chief of HiFi BLOG and sempre-audio.at, has been working for years as a journalist in the fields of IT, photography, telecommunications and consumer electronics.

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