Opus 3 Digital Audio Player Review

Official Product Information

  • Body :
    Tempered Aluminum [Metal Body]
  • Display :
    4” IPS Touch Display (480*800)
  • Dimensions :
  • Weight :

General Specifications

CPU & RAMARM Cortex-A9 1.4GHz,  Quad-Core & DDR3 1GB
Display4″ TFT Touch Display(480*800) IPS PANEL
Supported Audio FormatsWAV, FLAC, ALAC, AIFF, WMA, MP3, OGG,APE(Normal, High, Fast), native DSD(DFF,DSF)
Sample ratePCM : 16kHz ~ 192Hz (8/16/24bits per Sample)
DSD Native:  DSD64(1bit 2.8MHz, Stereo),
DSD128(1bit 5.6MHz, Stereo),
DSD256(1bit 11.2MHz, Stereo)
EQ & EffectEQ:10Band NORMAL/USER1/2/3/4/5
InputUSB Micro-B input (for charging & data transfer (PC & MAC))
Connection Mode : MTP (Media Device)
OutputsPhone (3.5mm) / Optical Out (3.5mm)
Balanced Out(2.5mm, 4-pole support)
Wi-Fi802.11 b/g/n (2.4GHz)
BluetoothV4.0 (A2DP, AVRCP)
Feature EnhancementsFirmware upgrades supported (OTA)
Battery4,000mAh/3.7V Li-Polymer
Battery Life(Play) Time & Charge TimePlay: Approximately 8.5 hours.
Charge:4 hours
MemoryBuilt-in 64GB
External microSD (up to 256GB) / Supports SDXC (exFAT, NTFS)
Clock source / Jitter50ps(Typ)
OSCustomized Android 5.1.1
Supported OSWindows 7,8,10 (32/64bit), MAC OS x 10.9 and up
Audio Performance
DACBurr-Brown PCM1792A
DecodingSupport up to 24bit / 192kHz Bit to Bit Decoding
Frequency Response±0.026dB(Condition: 20Hz~20KHz) Unbalanced & Balanced
±0.3dB(Condition: 10Hz~70KHz) Unbalanced & Balanced
Signal to Noise Ratio114dB @ 1KHz, Unbalanced
114dB @ 1KHz, Balanced
Crosstalk130dB @ 1KHz,Unbalanced /  135dB @ 1KHz, Balanced
THD+N0.0009% @ 1KHz
Output ImpedanceBalanced out 2.5mm(1ohm) / Phone 3.5mm(2ohm)
Ouput LevelBalance 3.0Vrms / Unbalance 2.5Vrms(Condition No Load)
Volume Step150 steps
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