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Opus #1 High Definition & High-Resolution Audio Player

Feel The Sound by

Portable Mastering Quality Sound (MQS) Audio Player

High Definition & High-Resolution Audio Player

Feel the clearest Hi-Res Sound

  • 24bit / 192kHz High Resolution Sound
  • 32bit processor core
  • Cirrus Logic CS4398 x 2EA Dual DAC
  • ARM Cortex-A9 1.4GHz, Quad-Core CPU DDR3 1GB
  • SNR 115dB, THD+N 0.0007%, Crosstalk – 130dB, Output 2Vmrs
  • Low-clock-jitter sensitivity: 50ps(Typ)
  • 4inch TFT Wide Touch Display (480 x 800)
  • MP3, OGG, APE(Normal, High, Fast)
  • Internal Memory 32GB
  • External Micro SD Card Memory 200GB x 2EA
  • Enhanced ABS Solid Body and Tempered Glass

Sensation of distinct HD Sound

The Bit has created the most optimized solution for all music lovers to really feel what musicians feel and hear what they hear in Hi-fi & Hi-Res audio formats. The first, one and only Opus#1 will allow you to enjoy your favorite music in best sound quality up to 24bit/192kHz, providing unforgettable experience and unique sensations from the original sound. Don’t simply hear it, but Feel it.

ARM Cortex-A9 1.4GHz, Quad-Core CPU DDR3 1GB Android Operating System

Opus#1 is based on Android operation systems compatible with the ARM Cortex-A9, up to 1.4GHz with the Quad-Core CPU DDR3 1GB to express the best possible sound, providing bit to bit decoding and supporting wide variety of audio formats.

Complete stereo audio 24bit/192kHz Digital/analog converter (DAC) system.

Support up to24bit / 192Khz Bit to Bit Decoding & High Definition Audio Files


32bit processor core

Optimized For Speed,
Powerful & Unprecedented
levels of performance.

Available in 2 colors Black Gun Metal, Metallic Gold

4inch TFT Wide Touch Display (480 x 800)

Cirrus Logic CS4398 x 2EA 24 bit Pure Real Dual DAC

Optimized & Well balanced
2Channel Stereo Balanced Out

Powerful and Refined Sound Building Algorithm

TAPI channel mixing
Selectable fast and slow roll off digital interpolation filters

Advanced multibit Delta-Sigma modulator & architectur
Mismatch shaping technology that eliminates distortion
Low-clock-jitter sensitivity: 50ps(Typ)
Differential analog outputs

Huge Memory Expandability to ensure the best Sound Quality

High-Res Audio Player requires a huge storage space in order to store and play not compressed studio files. Opus#1 equipped with a 32GB internal memory which can be additionally extended up to 432GB by adding two 200GB microSD cards to its slots.

Support Internal Memory 32GB + External Micro SD Card Memory 200GB x 2EA

Up to Max. 432GB

Enhanced ABS Solid Body and Tempered Glass

Compact Opus#1 is ideally designed to fit in your pocket, allowing you to enjoy the clearest sound on your way. Logical, simple and user friendly interface guarantees fast and intuitive control of device. You also can rip the best benefits within this compact body by navigating through Previous-Play/pause-Next and Volume +/- buttons, ideally located to get a full control in your hand.

Intuitive, Easy, User Friendly UI

Wide Range of User Controllable Equalizer Settings

31.5Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, 16kHz by Each User EQ (User 1~3)

Quickly perform user’s favorite functions

Balance Adjustment by Jog & Shuttle

Quick adjustment and control left/right side of Earphone etc.

Co-working with the Best Sound Designers and Engineers from Korea

  • Laying out audio layers and sound optimization
  • Analyzing analog frequency response and tuning the sound
  • Blind Testing & Comparing sound layers with competitors’ products
  • Finalizing audio layers and Verification approaches for Tune A Sound System
  • Testing and Verification approaches for Tune A Sound of Future Lineup.

Cham-Ggot(Azalea) Studio, Seoul, South Korea

Sonic Korea Mastering Studio, Seoul, South Korea

General Specifications

4" TFT Touch Display(480*800)
CPU & Memory
ARM Cortex-A9 1.4GHz, Quad-Core Memory(RAM) : DDR3 1GB
Power, Play/Pause, FF, REW Vol+ / Vol-
Supported Audio Formats
WAV, FLAC, ALAC, AIFF, WMA, DSD, MP3, OGG, APE(Normal, High, Fast)
EQ & Effect
10Band (T.B.D) , NORMAL/USER1/2/3
Charge & Data Transfer
USB Micro-B input (for charging & data transfer (PC & MAC))
Connection Mode : MTP (Media Device)
Phone (3.5mm) / Optical Out (3.5mm) / Balanced Out(2.5mm, 4-pole support)
4,000mAh/3.7V Li-Polymer
Battery Life(Play) Time & Charge Time
Play: Approximately 10 hours(44.1KHz 16bit, Vol.75, 32ohm, LCD off),Charge: 4 hours
Built-in 32GB(OPTION:64G)
External microSD(Max 200GB) x2 Supports SDXC exFAT, NTFS
Clock source/ Jitter
Supported OS
Windows 7,8,(32/64bit), MAC OS x 10.9 or higher
72mm(W) * 112mm(H) * 18mm(D)

Audio Performance

CS4398 * 2EA(Dual DAC)
Support up to 24bit / 192KHz Bit to Bit Decoding
Frequency Response
±0.02dB(Condition: 20Hz~20KHz) Unbalanced & Balanced
±0.3dB(Condition: 10Hz~70KHz) Unbalanced & Balanced
Signal to Noise Ratio
114dB @ 1KHz, Unbalanced
115dB @ 1KHz, Balanced
130dB @ 1KHz,Unbalanced / 135dB @ 1KHz, Balanced
0.0007% @ 1KHz
Output Impedance
Balanced out 2.5mm(1ohm) / PHONES 3.5mm(2ohm)
Ouput Level
Unbalanced 2.1Vrms / Balanced 2.3Vrms(Condition No Load)
Volume Step
150 steps