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Green, Return to the essence, The Renaissance of technology
we hope one day earth is free from harmful materials, and nothing is made without care of the nature

The environmental protection has been carried out not only in design and manufacturing but also in packaging and operations. The core values of Lab 4GD are:

Like an uphill battle, change is difficult, but Lab 4GD believes doing the right thing for good deeds will ripple throughout the world. Believers like us and friends in industries will be working hard to make earth a better place now and for generations to come.


It is our mission to design and create long-lasting products with environmentally friendly materials. What we believe is circular economy. Every single component in our design is carefully examined if it can be easily repaired, reused and recycled.


Center in humanity, we inherit the good from our ancestors and carry on creating a product for what it should be in essence.  We believe we are part of human society where we learn from and giving back to maintain the harmony in it.


Technology and traditional craftsmanship can be embodied in not only useful but also beautiful products.

the greenest portable High-Resolution Audio Player carrying over 400 years of craftsmanship from Japan

HINN sets the new standard of high-quality materials and components composing a Hi-Fi player which puts sustainability and recyclability in the highest priority.


Each component can be easily disassembled, replaced and upgraded to prolong the life of HINN.


The Hi-Res audio output from the beautiful crafted HINN produce a harmony listening experience which rarely exist in such devices.

  • Pure copper enclosure: 400-year ancient coloring techniques create four stunning looks and feels. Each enclosure is crafted from a pure copper block via precision CNC milling and colored by hand in Takaoka, Japan.

  • Easy-to-eyes paper-like display from E ink.

  • Highest quality Maxell Li-ion battery

  • Up to 2TB internal flash storage – reliable media from world-leading manufacturers such as SanDisk, Kingston, and Samsung

  • Security IC with AES-256 encryption

  • PowerTune TI codec with miniDSP

  • Class-G TI headphone amplifier

  • Dual-core ON Semiconductor audio processor

  • Digital RDS FM receiver supporting worldwide band (64~108 MHz)

  • Eco-sustainable wood veneer from Italy

Technical specifications
  • Display: 2.84 inch, 600 x 480, 270 dpi

  • High-resolution audio: 24bit/192kHz

  • Music storage: 32GB/64GB (upgradable up to 2TB)

  • Li-ion battery: 1020 mAh

  • Connectivity: USB-C / 3.5mm gold plated headphone jack / LINE IN

  • Dimension: 89 x 58 x 10.8 (mm)

  • Weight: 73 g (copper 103 g)

  • Audio format support: MP3, M4A, AAC, WAV, FLAC (24bit,192kHz), WMA

  • 2016/8 Lab 4GD, LLC was established in the heart of Silicon Valley

  • 2018/8 Lab 4GD Co., Ltd was founded in Taipei

  • 2019/1 Lab 4GD Japan K.K. was established in Yokohama


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