Features
World’s smallest USB audio interface that supports both ASIO and DSDHigh-quality audio playback from Roland’s newly-developed S1LKi audio engine
Native playback of 2.8 MHz DSD audio
Ultra-compact four-channel audio output
High-powered 158 mW + 158 mW (at 40 ohm load) headphone amp
Supports ASIO and Core Audio; designed for low-latency operation
SYSTEMNumber of Audio Playback ChannelsPCM format: 4 channels / 2channels (selectable by "Output Mode")
DSD format: 2 channels
Signal ProcessingPCM format
PC interface: 32 bits
DA Conversion *1: 1 bit, 32 bits
*1 When "S1LKi Mode" is valid, DA conversion operates on 1 bit.
DSD format
PC interface: 1 bit
DA Conversion: 1 bit
Sampling RatePCM format
PC interface: 352.8 kHz *2, 192 kHz, 176.4 kHz, 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz
DA Conversion *3: 3.072 MHz, 2.8224 MHz, 192 kHz, 176.4 kHz
*2 If the sampling rate is 352.8 kHz, the number of channels is limited to two channels, and playback is possible only via ASIO/Core Audio.
*3 When "S1LKi Mode" is valid, DA conversion operates on 3.072 MHz or 2.8224 MHz.
DSD format:
PC interface: 5.6448 MHz *4, 2.8224 MHz
DA Conversion: 2.8224 MHz
*4 5.6448 MHz DSD data is down-converted to 2.8224 MHz for playback.DSD Format Playback MethodDoP version 1.0InterfaceHi-Speed USBConnectorsPHONES jack: Stereo miniature phone type
PHONES/LINE jack: Stereo miniature phone type
USB port: USB Type micro B
CHARACTERISTICSPHONES, PHONES/LINENominal Output Level: -4 dBu
Maximum Output Level: +14 dBu
Maximum Output Power:
158 mW + 158 mW (L + R, 40 ohms)
44 mW + 44 mW (L + R, 300 ohms)
Headroom: 18 dB
Frequency Response:
192.0 kHz: 20 Hz–60 kHz (+0/-0.4 dB), 20 Hz–90 kHz (+0/-3 dB)
176.4 kHz: 20 Hz–60 kHz (+0/-0.5 dB), 20 Hz–80 kHz (+0/-2 dB)
96.0 kHz: 20 Hz–44 kHz (+0/-0.2 dB)
88.2 kHz: 20 Hz–40 kHz (+0/-0.2 dB)
48.0 kHz: 20 Hz–22 kHz (+0/-0.2 dB)
44.1 kHz: 20 Hz–20 kHz (+0/-0.2 dB)
Residual Noise Level: -101 dBu typ. (IHF-A)
Dynamic Range: 115 dB typ.
OTHERSPower SupplyUSB Bus PowerCurrent Draw500 mA