TASCAM US-144 9 – Specifications and performanceAudio performanceSignal-to-noise ratioLINE IN (through ADC and DAC) to LINEOUT> 96 dB (A-weighted, TRIM=min., inputimpedance at 40 Ω)LINE IN (through direct monitor) to LINEOUT> 100 dB (A-weighted, TRIM=min., inputimpedance 40 Ω)Total harmonic distortion (THD+N, 22 Hz to 22 kHz)LINE IN (through ADC and DAC) to LINEOUT< 0.006% (1 kHz sine +20 dBu input,TRIM=min.)LINE IN (through direct monitor) to LINEOUT< 0.0.04% (1 kHz sine +20 dBu input,TRIM=min.)Other characteristicsDigital audioA/D Conversion (AK5381) 24-bit/96 kHz, 27.6 samples delayD/A Conversion (AK4384) 24-bit/96 kHz, 19.3 samples delayMIDIMIDI IN and MIDI OUT ports (DIN 5-pin) Conform to MIDI standardsUSBUSB port (down stream connector) USB 2.0 FormatHost computer compatibilityOperating systemWindows Windows XPMacintosh Mac OS 10.3.9 or laterCommunication USB 2.0Audio/MIDI interfaceprotocolsWindows ASIO, ASIO2, GSIF2, WDMMacintosh CoreAudio, CoreMIDI (OS X)Bundled software Cubase LE (for Windows or Macintosh),Gigastudio 3 LE (Windows only)