The unique Fireface UFX II is the premier solution to transfer analog and digital audio data directly to a computer from practically any source.

Numerous unique features, well thought-out configuration dialogs, an industry-leading mixing engine and monitoring solution, professional DSP effects and class-leading analog circuits with latest digital converters put the Fireface UFX II at the very top of the range of computer-based audio interfaces.

Technical Specifications

Analog\nAD, Line In 1-8, rear \nResolution AD: 24 bit\nSignal to Noise ratio (SNR): 113 dB RMS unweighted, 116 dBA\nFrequency response @ 44.1 kHz, -0.1 dB: 5 Hz - 20.8 kHz\nFrequency response @ 96 kHz, -0.5 dB: 3 Hz - 45.8 kHz\nFrequency response @ 192 kHz, -1 dB: 2 Hz - 92 kHz\nTHD: < -110 dB, < 0.00032 %\nTHD+N: < -104 dB, < 0.00063 %\nChannel separation: > 110 dB\nMaximum input level: +19 dBu\nInput: 6.3 mm TRS jack, electronically balanced\nInput impedance: 8 kOhm unbalanced, 12 kOhm balanced\nInput sensitivity switchable to Lo Gain, +4 dBu\nInput level for 0 dBFS @ Lo Gain: +19 dBu\nInput level for 0 dBFS @ +4 dBu: +13 dBu\nVariable gain: 0 to +12 dB\nMinimum level for 0 dBFS: +1 dBu, -1.2 dBV\nMicrophone In 9-12, front \nAs AD, but:\nInput: XLR, electronically balanced\nInput impedance: 3.4 kOhm\nSignal to Noise ratio (SNR): 115 dB RMS unweighted, 118 dBA\nGain range: 75 dB\nMaximum input level, Gain 0 dB: +18 dBu\nMaximum input level, Gain 75 dB: -57 dBu\nCLIP LED: 0 dBFS SIG LED: -60 dBFS\nInstrument In 9-12, front \nAs AD, but:\nInput: 6.3 mm TS jack, unbalanced\nInput impedance: 1 MOhm\nSignal to Noise ratio (SNR): 114 dB RMS unweighted, 118 dBA\nGain range: 42 dB\nMaximum input level, Gain 8 dB: +21 dBu\nMaximum input level, Gain 50 dB: -21 dBu\nDA, Line Out 3-8, rear\nResolution: 24 bit\nDynamic range (DR): 115 dB RMS unweighted, 118 dBA\nFrequency response @ 44.1 kHz, -0.5 dB: 5 Hz - 20.8 kHz\nFrequency response @ 96 kHz, -0.5 dB: 5 Hz - 45 kHz\nFrequency response @ 192 kHz, -1 dB: 5 Hz - 89 kHz\nTHD: < -110 dB, < 0.00032 %\nTHD+N: < -104 dB, < 0.00063 %\nChannel separation: > 110 dB\nMaximum output level: +19 dBu\nOutput: 6.3 mm TRS jack, servo-balanced\nOutput impedance: 75 Ohm unbalanced, 150 Ohm balanced\nOutput level switchable Hi Gain, +4 dBu, -10 dBV\nOutput level at 0 dBFS @ Hi Gain: +19 dBu\nOutput level at 0 dBFS @ +4 dBu: +13 dBu\nOutput level at 0 dBFS @ -10 dBV: +2 dBV\nDA - Stereo Monitor Output XLR (1-2) \nAs DA, but:\nOutput: XLR, balanced\nOutput level switchable 24 dBu, Hi Gain, +4 dBu, -10 dBV\nOutput level at 0 dBFS @ 24 dBu: +24 dBu\nOutput level at 0 dBFS @ Hi Gain: +19 dBu\nOutput level at 0 dBFS @ +4 dBu: +13 dBu\nOutput level at 0 dBFS @ -10 dBV: +2 dBV\nDA - Stereo Monitor Output Phones (9-12)\nAs DA, but:\nOutput: 2 x 6.3 mm TRS stereo jack, unbalanced\nMaximum output level at 0 dBFS, High: +19 dBu\nMaximum output level at 0 dBFS, Low: +2 dBV\nOutput impedance: 2 Ohm\nMax power per channel @ 32 Ohm load, 0.1% THD: 210 mW (2.6 Vrms, +10.5 dBu)\nMIDI\n2 x MIDI I/O via 5-pin DIN jacks\nGalvanically isolated by optocoupled input\nHi-speed mode: Jitter and response time typically below 1 ms\nSeparate 128 byte FIFOs for input and output\nDigital\nClocks: Internal, ADAT, AES, MADI, word clock\nLow Jitter Design: < 1 ns in PLL mode, all inputs\nInternal clock: 800 ps Jitter, Random Spread Spectrum\nJitter suppression of external clocks: > 30 dB (2.4 kHz)\nEffective clock jitter influence on AD and DA conversion: near zero\nPLL ensures zero dropout, even at more than 100 ns jitter\nDigital Bitclock PLL for trouble-free varispeed ADAT operation\nSupported sample rates: 28 kHz up to 200 kHz

Digital Inputs\nAES/EBU\n1 x XLR, transformer-balanced, galvanically isolated, according to AES3-1992\nHigh-sensitivity input stage (< 0.3 Vpp) SPDIF compatible (IEC 60958)\nAccepts Consumer and Professional format\nLock range: 27 kHz - 200 kHz\nJitter when synced to input signal: < 1 ns\nJitter suppression: > 30 dB (2.4 kHz)\nADAT Optical\n2 x TOSLINK, format according to Alesis specification\nStandard: 2 x 8 channels 24 bit, up to 48 kHz\nDouble Speed (S/MUX): 2 x 4 channels 24 bit 96 kHz\nQuad Speed (S/MUX4): 2 x 2 channels 24 bit 192 kHz\nBitclock PLL ensures perfect synchronisation even in varispeed operation\nLock range: 31.5 kHz - 50 kHz Jitter when synced to input signal: < 1\nSPDIF optical (ADAT2)\n1 x optical, according to IEC 60958\nAccepts Consumer and Professional format\nLock range: 27 kHz - 200 kHz\nJitter when synced to input signal: < 1 ns\nJitter suppression: > 30 dB (2.4 kHz)\nWord Clock\nBNC\nInternal termination 75 Ohm switchable\nAutomatic Double/Quad Speed detection and internal conversion to Single Speed\nSteadyClock guarantees super low jitter synchronization even in varispeed operation\nNot affected by DC-offsets within the network\nSignal Adaptation Circuit: signal refresh through auto-center and hysteresis\nOvervoltage protection\nLevel range: 1.0 Vpp - 5.6 Vpp\nLock Range: 27 kHz - 200 kHz\nJitter when synced to input signal: < 1 ns\nJitter suppression: > 30 dB (2.4 kHz)

Digital Outputs\nAES/EBU\nXLR, transformer-balanced, galvanically isolated, according to AES3-1992\nOutput level Professional 4.5 Vpp, Consumer 2.6 Vpp\nFormat Professional according to AES3-1992 Amendment 4\nFormat Consumer (SPDIF) according to IEC 60958\nSingle Wire mode, sample rate 28 kHz up to 200 kHz\nADAT\n2 x TOSLINK\nStandard: 2 x 8 channels 24 bit, up to 48 kHz\nDouble Speed (S/MUX): 2 x 4 channels 24 bit 96 kHz\nQuad Speed (S/MUX4): 2 x 2 channels 24 bit 192 kHz\nSPDIF optical (ADAT2)\nFormat Consumer (SPDIF) according to IEC 60958\nSample rate 28 kHz up to 200 kHz\nWord Clock\nBNC\nMax. output voltage: 5 Vpp\nOutput voltage @ 75 Ohm termination: 4.0 Vpp\nOutput impedance: 10 Ohm\nFrequency range: 27 kHz - 200 kHz

General\nPower supply: Internal switching PSU, 100 - 240 V AC, 36 Watts\nIdle power consumption: 19 Watts\nTypical power consumption: 22-25 Watts\nDimensions including rack ears (WxHxD): 483 x 44 x 210 mm (19" x 1.73" x 8.5")\nDimensions without rack ears (WxHxD): 440 x 44 x 210 mm (17.3" x 1.73" x 8.3")\nTotal depth: 240 mm (9.4â€)\nWeight: 3 kg ( 6.6 lbs)\nTemperature range: +5 up to +50 Celsius (41 F up to 122F)\nRelative humidity: < 75%, non condensing