X5i Titanium 

Extreme Fidelity 5-Driver 

In-Ear Headphones


X5i Titanium

Combining proprietary design, superior build quality and the unrivaled performance of our brand-new 5-driver hybrid configuration, the MAS X5i Titanium delivers exceptional sound suited for all kinds of music. Featuring extreme audio fidelity and musicality with incredibly wide 5Hz to 70KHz frequency response, the MAS X5i Titanium is awarded the Hi-Res Audio Headphone Certification by the Japan Audio Society.


​Brand-new 5-Driver Hybrid Configuration

The X5i Titanium's brand-new 5-Driver configuration features four custom Knowles Balanced Armature drivers plus one Titanium Dynamic driver to deliver exceptional sound. Thanks to MAS proprietary crossover design, the five drivers can work together well to perform their maximum potential, with an extremely coherent and extended frequency response.

Proprietary Acoustic Design

The Core Array Technology ™ aligns all acoustic components coaxially in the structure to increase efficiency, transfers sound waves more accurately and reduces distortion. The result is less sound degradation, finer detail and a spacious soundstage. The rigid composite acoustic structure of the X5i Titanium can also greatly reduce unwanted resonance to reproduce the purest sound possible.  


MAS Headphone Ecosystem

All MAS X-Series headphones and earbuds are compatible with separate MAS XX interchangeable headphone cables which offer a variety of purposed-built features to suit your specific needs.

Included MAS XX 3.5mm Cables include a remote cable which allows you to make calls and select tracks on your mobile devices and an upgraded silver-coated OFC cable which provides you with the maximum audio fidelity.

Optional MAS XX Cables

  • The MAS XX Bluetooth Cable connects to your iOS or Android mobile devices via Bluetooth.

  • The MAS XX Type-C Headphone Cable with Hi-Res Audio DAC connects to your mobile devices via USB Type-C port for enjoy high quality digital music and 7.1 channel 3D surround sound.


Designed for Discerning Listeners

The X5i Titanium is designed to meet the expectation of the most discerning listeners. The X5i Titanium not only can link your audio equipment like amplifiers to deliver the maximum high resolution sound but also can be driven even by your mobile devices like smartphones to deliver the audiophile grade sound through music streaming such as Spotify, YouTube, Apple Music and Google Music.   

Upgraded Audiophile Class Sliver-Coated OFC Cable 

The X5i Titanium comes with an upgraded audiophile class Oxygen-Free Copper (OFC) cable to connect to your audio equipment such as high-end media players and amplifiers to deliver the ultimate sound.

Remote Cable for Meeting and Communication

The remote cable allows you to make calls and select tracks on your iOS or Android mobile devices. Its high quality MEMS microphone delivers incredibly clear voice quality perfect for conference call and communication.

(Note: Please note that some mobile devices may not fully support the remote because of different Apps or operation systems.)

Superior Build Quality

Utilizing precision CNC metal parts, leather texture, special rust proof anti-fingerprint surface treatment and delicate handcrafted assembly, the X5i Titanium feature exquisite craftsmanship and superior build quality.

Ergonomic Design

Thanks to the compact 5-driver earbuds, 4 antibacterial silicon ear-tips, 3 memory foam ear-tips and 3 proprietary ear-wings, the X5i Titanium provides comfortable and steady fits even used for extended period. With the earbud magnet-clipping design and luxury hard-shield carrying case, the X5i Titanium is easy to carry and perfect for travelling. 


Please connect and disconnect the MMCX

cables vertically to the jacks or earbuds.


Driver Unit - 10mm Dynamic + 4 Balanced Armatures

Impedance - 12Ω

Frequency Response - 5-70,000Hz

Sensitivity - 105db/mW(@1kHz)

Accessory Kit

  • A silver-coated OFC cable

  • A remote cable with MEMS microphone

  • Four sets of anti-bacteria silicon ear tips(S/M/M/L)

  • Three sets of memory foam ear tips(S/M/L)

  • ​Three pairs of MAS XX Earwings(S/M/L)

  • A hard-shield carrying case

  • A soft carrying pouch

  • A product warranty card

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