Specyfikacja Tascam US:
4 przedwzmacniacze Ultra-HDDA
4 wejścia mikrofonowo-liniowe XLR/TRS z zasilaniem phantomowym
4 zbalansowane wyjścia analogowe TRS
2 wyjścia słuchawkowe TRS
MIDI in/out
US-4x4 z zewnętrznym zasilaniem
Cyfrowe audio 24-bit / 96 kHz
57 dB gain’u na przedwzmacniaczach
Bezpośredni monitoring z przełącznikiem mono/stereo
Wybór źródła na wyjściu
Wyciszenie na wejściach
Wymiary 296 x 65 x 160 mm
Waga 1,6 kg.

US-4X4 SPECIFICATIONS                                                                                             Sampling frequency  44.1k/48k/88.2k/96kHz
Quantization bit rate  16/24bit
Analog audio inputs     
MIC IN   1-4
Connector  XLR-3-31(1:GND, 2:HOT, 3:COLD), BALANCED
Input impedance  2.2k ohms
Nominal input level     
GAIN:MAX   -65dBu (0.0004Vrms)
GAIN:MIN   -8dBu (0.3090Vrms)
Maximum input level
(GAIN:MIN )  +8dBu (1.9467Vrms)
Gain  57dB
INST IN  1-4
Connector  6.3mm(1/4")TS-jack(T：HOT, S：GND), UNBALANCED
(When set to "INST" at MIC/LINE.INST switch)
Input impedance     1M ohms
Nominal input level     
GAIN:MAX  -63dBV(0.0007Vrms)
GAIN:MIN  -6dBV(0.5015Vrms)
Maximum input level
(GAIN:MIN ) +10dBV(3.162Vrms)
Gain  57dB
LINE IN   IN 1-4
Connector  6.3mm(1/4")TRS-jack(T：HOT, R：COLD, S：GND), BALANCED
(When set to "MIC/LINE" at MIC/LINE.INST switch)
Input impedance  10k ohms
Nominal input level     
GAIN:MAX -53dBu(0.0017Vrms)
GAIN:MIN +4dBu(1.228Vrms)
Maximum input level
(GAIN:MIN )  +20dBu(7.75Vrms)
Gain  57dB
Analog audio outputs     
LINE OUT     
Connector  6.3mm(1/4")TRS-jack(T：HOT, R：COLD, S：GND), BALANCED
Output impedance     110ohms
Nominal output level  +4dBu (1.273Vrms)
Maximum output level  +20dBu (7.75Vrms)
PHONES     
Connector  6.3mm (1/4") stereo phone jack
Maximum output level    45mW+45mW or more
(THD+N 0.1% or less, 32ohms loaded)
MIDI IN/OUT      
Connector  Din 5-pin
Format  Standard MIDI format
USB     
Connector  USB B type 4-pin
Format     USB2.0 HIGH SPEED
Power           
When connected PC/When connected iOS       Dedicated AC adapter
(GPE248-120200-Z, included)
Power consumption  5W

Operating temperature 5 to 35˚C
Bundled software
 Cakewalk SONAR X3 LE
Ableton Live 9 Lite
Accessories  USB cable, SONAR X3 LE license card, Live 9 Lite license card, User's manual, warranty card  AC adapter(GPE248-120200-Z), USB cable, SONAR X3 LE license card, Live 9 Lite license card, User's manual, warranty card
Audio performance
Frequency response     
LINE OUT(BALANCED)     
44.1k/48k Hz   20Hz to 20kHz, +0dB/-0.1dB
88.2k/96k Hz   20Hz to 40kHz, +0dB/-0.2dB
PHONES     
44.1k/48k Hz   20Hz to 20kHz, +0dB/-0.5dB
88.2k/96k Hz   20Hz to 40kHz, +0dB/-2dB
THD  0.003% or less
S/N ratio  101dB or more
Crosstalk  95dB or more
EIN  -127dBu or less

Computer system requirements
Windows
OS Windows 7(32-bit SP1, 64-bit SP1),
Windows 8.0(32-bit, 64-bit), Windows 8.1(32-bit, 64-bit)

Compatible computers  Apple Macintosh computer with a USB 2.0 port
CPU type/speed  Dual core/2 GHz or faster
Memory 2GB or more
DRIVER Core Audio, Core MIDI