RME Digiface USB

The latest Plug and Play technology guarantees a simple installation, even for the inexperienced user. Numerous unique features as well as RME’s robust drivers enable a quick, efficient and comfortable operation of the Digiface USB. Its small size, weight and bus-powered operation make the Digiface USB extremely versatile and useful. It could even serve as simple headphone amp for mobile use.

Input Optical ADAT / SPDIF

• 4 x TOSLINK, format according to Alesis specification
• SPDIF compatible (IEC 60958)
• Standard: 32 channels 24 bit, up to 48 kHz
• Double Speed (S/MUX): 16 channels 24 bit 96 kHz
• Quad Speed (S/MUX4): 8 channels 24 bit 192 kHz
• Bitclock PLL ensures perfect synchronisation even in varispeed operation
• Lock range: 31.5 kHz – 50 kHz
• Jitter when synced to input signal: <1 ns

Output Optical ADAT / SPDIF

• 4 x TOSLINK, format according to Alesis specification
• SPDIF compatible (IEC 60958)
• Standard: 32 channels 24 bit, up to 48 kHz
• Double Speed (S/MUX): 16 channels 24 bit 96 kHz
• Quad Speed (S/MUX4): 8 channels 24 bit 192 kHz

Output Analog Phones 33/34

• Dynamic range (DR): 110 dB RMS unweighted, 113 dBA
• Frequency response @ 44.1 kHz, -0.5 dB: 0 Hz – 20.8 kHz
• Frequency response @ 96 kHz, -0.5 dB: 0 Hz – 45 kHz
• Frequency response @ 192 kHz, -1 dB: 0 Hz – 89 kHz
• THD@-1dBFS:-96dB,0.0016%
• THD+N @ -1 dBFS: -95 dB, 0.0017 %
• Channel separation: > 100 dB

Output: 6.3 mm TRS jack, unbalanced

• Output impedance: 2 Ohm
• Output level at 0 dBFS, 1 kOhm load: +9.5 dBu
• Max power @ 0.1% THD: 50 mW

Digital

• Clocks: Internal, ADAT In, SPDIF In
• Low Jitter Design: < 1 ns in PLL mode, all inputs
• Internal clock: 800 ps Jitter, Random Spread Spectrum
• Jitter suppression of external clocks: > 30 dB (2.4 kHz)
• Effective clock jitter influence on AD and DA conversion: near zero
• PLL ensures zero dropout, even at more than 100 ns jitter
• Supported sample rates: 28 kHz up to 200 kHz

General

• Power supply: USB bus power
• Typical power consumption: 1.2 Watts
• Current at 5 V bus power operation: 230 mA
• Max power consumption: below 2 Watts
• Dimensions (WxHxD): 128 x 22 x 55 mm (5.04″ x 0.87″ x 2.2″)
• Weight: 220 g (0.49 lbs)
• Temperature range: +5° up to +50° Celsius (41° F up to 122°F)
• Relative humidity: < 75%, non condensing