Basslet Wearable Subwoofer

World’s first wearable subwoofer – built to make you smile.

The Basslet is a masterpiece of engineering. It puts the power and accuracy of a large sound system into a watch-sized device. It is completely silent to the outside world – and despite the size, it makes you feel like you are surrounded by sound. It combines sophisticated technology with a clean and timeless design that reflects the high standards in terms of quality, usability and comfort. The design supports a single purpose – feeling the music – without any distractions. Everything you see on the Basslet follows that purpose – it looks and feels instantly familiar.


Putting the power and accuracy of a large sound system into a watch-sized device.


The Basslet is packed with innovative technology. LoSound engine effortlessly recreates bass frequencies down to 10 Hz. It provides a bass-optimized frequency response and large dynamic range to handle low end peaks with extreme accuracy. The high precision of the LoSound engine results in a deep sound experience – creating the illusion of standing next to a subwoofer. The tech is based on an innovative voice-coil design with highly optimised magnetic flows which allows it to be extremely powerful yet remarkably compact.


Haltian took a working prototype to miniaturization and prepared it for mass-production. Lofelt collaborated closely with Haltian’s engineering team to add specialised expertise in antenna design, mechanics and hardware electronics.

We teamed up closely with Haltian to take our working prototype to miniaturization and prepare it for mass-production. Haltian helped us to make Basslet a masterpiece of engineering.

Daniel Büttner, Founder and CEO, LOFELT


Pasi Pentinpuro


Yrttipellontie 1D
90230 Oulu, Finland

Finland Capital area

Haltian Oy
Aalto University Campus
Metallimiehenkuja 10, 02150, Espoo


Switch board: +358 10 322 3400
Fax: +358 10 322 3499