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Latest News (Jan 11, 201)

Formosa21 announces aim iPair – Dual Output Portable Headphone Amplifier

Taipei, Taiwan, January 6, 2011 – Formosa21, Inc. (F21), a world
leader in the design and manufacturing of professional multimedia products today announced the launch of their next generation Portable Headphone Amplifier with bass enhancement named iPair.
Equipped with two audio-out ports, iPair enhances the bass response dramatically.
With the simple and stylish outlook, it targets on the modern gadget users who

demand high definition sound qualify and music sharing on the go. With built-in
rechargeable Lithium Polymer battery, iPair is a perfect travel mate that provides
more than 12 hours of listening on a single recharge.

Giving the needed power boost to drive high-end headphones, the iPair is ideal for
any portable media player or music phone including iPod / iPhone / MP3 / MP4,
Samsung, Blackberry, HTC and other smart phones. Plug & play with wire
management design provides users a simple way to enjoy favorite music with friends.
F21 will showcase the iPair at the 2011 International CES show which runs January
6~9 in Las Vegas, at Hilton Pavilion, No. 46006.


  • Two Headphone Outputs allow sharing music on the road.
  • Spliter design gives the best enjoyment of sharing music with your love one
  • Increases 120% of original audio output level, and better bass signal
  • Two LED indicators, orange indicates charging and blue indicates in-use
  • Prolongs battery life of your music player
  • Supports earphones with 16 ~ 150 ohms impedance
  • The built-in rechargeable Lithium Polymer battery allows over 12 hours of
    continuous playback
  • Automatically Power ON/OFF switch with anti-pop circuits
  • Slim & portable design gives mobile users trouble-free carry
  • Mini-USB charger port can be used with any USB power source


  • Output: 50 mW (32 ohms loading)
  • Headphone impendence: 16 ~ 150 ohms
  • SNR: 100 dB (A Weighted); Distortion: < 0.03%
  • Frequency Response: 10 Hz - 100 kHz
  • On/Off Switch: automatically power-on by inserting 3.5mm plug into the Line-Inand automatically power-off by removing this 3.5mm plug
  • Built-in 120mAh Lithium-Polymer battery provides over 12 hours of playback
  • Fully-charge time: about 2 hours via mini USB charging port
  • Fast-charge time: about 30 minutes (provide up to 4 hours of playback)
  • Dimension: 38 x 38 x 12.4 mm / 1.5” x 1.5” x 0.49”
  • Weight: 15.5g / 0.54 oz



Copyright©2004 Formosa 21, Inc. All right reserved.

License : Dolby Digital RTCE, Dolby Earphone and Pro Logic IIX driver is manufactured under license from Dolby Laboratories.