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FiiO QX13 attaches magnetically to smartphones, adds two headphone jacks and 900 mW amplifier

FiiO's latest headphone amplifier features a carbon fiber housing. (Image source: FiiO)
FiiO's latest headphone amplifier features a carbon fiber housing. (Image source: FiiO)
FiiO has just launched the QX13, a compact headphone amplifier and DAC that can be magnetically attached to smartphones, adding both a 3.5 mm and a balanced 4.4 mm headphone connection.

Fewer and fewer smartphones have a dedicated headphone jack nowadays, so users have to use either wireless Bluetooth headphones or purchase a dongle. With the QX13, FiiO now aims to offer a particularly compact, yet high-quality headphone amplifier that can be attached to the back of smartphones using integrated magnets.

These magnets are MagSafe and Qi2 compatible, so the gadget can be attached to Apple iPhones, the HMD Skyline, Qi2 protective cases and many current Android smartphones. After connecting the FiiO QX13 to a smartphone via a USB-C cable, users can connect wired headphones either via a 3.5 mm or a balanced 4.4 mm headphone jack. The amplifier reaches an output of up to 570 mW per channel in mobile mode and 900 mW in desktop mode.
 


Equipped with an ESS Sabre Pro (ES9027PRO) DAC chip, the QX13 is designed to deliver high audio quality, capable of decoding music up to 32-bit at 768 kHz or DSD512. The 6.4 x 3 x 1.3-centimeter case is made of carbon or aluminum, depending on the color, and weighs between 33 and 39 grams. The 1.99-inch IPS panel on the front provides information about the set volume and the quality of the music being played.

Price and availability

The FiiO QX13 headphone amplifier and DAC will soon be available at select retailers for $219 / £219 / €239. Further information about the features can be found on the FiiO website.
 

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2025 07 > FiiO QX13 attaches magnetically to smartphones, adds two headphone jacks and 900 mW amplifier
Hannes Brecher, 2025-07-17 (Update: 2025-07-17)