Opus#1s 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.
Opus#1s maximizes the advantages of the CS43198 DAC performance while retaining the sound of the audio-opus series praised by users, enhancing ultra low range and high range sound compared to the existing Opus#1 .
You can enjoy more dynamic sound.
The powerful output of 3.4Vrms, which is not comparable to other DAPs of the same grade, enables you to enjoy powerful sound anytime and anywhere. Unbalance output also has enough 3.1Vrms to enjoy perfect sound with any earphone / headphone.
Model Opus#1S Opus#1
DAC Cirrus Logic CS43198 x 2 Cirrus Logic CS4398 x 2
Output Bal. 3.4Vrms
Unbal. 3.1Vrms Bal. 2.3Vrms
SNR Bal. 125dB @1KHz
Unbal. 123dB @1KHz Bal. 115dB @1kHz
Unbal. 114dB @1kHz
Crosstalk Bal. 142dB @1KHz
Unbal. 140dB @1KHz Bal. 135dB @1kHz
Unbal. 130dB @1kHz
THD+N Bal. 0.0005%@1KHz
Unbal . 0.0007% @1KHz Bal. 0.0007% @ 1kHz
Unbal. 0.0007% @ 1kHz
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