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Tascam US-125M - USB Mixing Audio Interface

B&H # TAUS125M MFR # US-125M
Tascam US-125M - USB Mixing Audio Interface

Tascam US-125M - USB Mixing Audio Interface Angle View Top Front View Front View Back View

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Product Highlights

  • USB Interface
  • Mixer Functionality (+ Standalone)
  • Microphone Input (XLR, 1/4" and1/8" TRS)
  • Instrument Input
  • RCA Line I/O
  • Switchable Limiter (Microphone)
  • 16-bit/48kHz
  • USB Bus Powered
  • Mac OS X
  • Windows XP/Vista/7
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The US-125M from Tascam is an USB audio interface that also incorporates mixer functionality. The unit is capable of combining a microphone, instrument and a line source with a computer audio signal, and feeding the mix to a computer via USB.

The unit features level controls for all four sources and an output level control, along with signal and overload indicators. The microphone input has a switchable limiter. The USB-powered device is housed in a solid aluminum case, and can also be used as a simple stand-alone mixer.

USB audio interface with mixer functionality
Combines a microphone, instrument and line source with a computer audio signal and feeds the mix to your computer via USB
Ideal for broadcasting (live streaming) over the Internet
Four inputs with dedicated level controls:

Microphone input (balanced XLR/TRS on rear or unbalanced mini jack on front) with switchable
Limiter and signal/overload indicator
Guitar input (standard phone jack)
Stereo line input (RCA)
Stereo audio input from computer via USB
Stereo audio output to computer via USB or directly to RCA output jacks
Monitor output (RCA) and headphones output (mini-jack) with level control
Zero-latency hardware monitoring
Can be used as a simple standalone mixer
Operates using standard Windows (WDM) and Mac OS X (Core Audio) audio drivers
Audio resolution up to 16-bit/48kHz
USB 2.0 equipped (also supports USB 1.1)
USB-powered, no AC adapter required
Solid aluminum case
ADC 16-bit
DAC 16-bit
Sample Rates 32, 44.1 and 48kHz
Inputs 1 x XLR Microphone (rear)
1 x 1/4" TRS phone Microphone (rear)
1 x 1/8" TRS stereo mini Microphone (front)
1 x 1/4" TS phone Instrument (rear)
2 x RCA phono Line (rear)
Input Impedance Microphone (all): 2.2kΩ
Instrument: 1MΩ
Line: 10kΩ
Nominal Input Level Microphone (all): -64dBu to -44dBu, +/-3.0dB
Line: -15dBV, +/-2.0dB
Maximum Input Level Microphone (all): +28dBu, +/-3.0dB
Instrument: +6dBV, +/-2.0dB (2.0V)
Line: +21dBV, +/-2.0dB
Outputs 2 x RCA phono Line
1 x 1/8" TRS stereo mini Headphone
Output Impedance Line: 200Ω
Maximum Output Level Line: +3dBV, +/-2.0dB (+1.41Vrms)
Headphone: 15mW + 15mW (with 32Ω connection)
Other Connectors USB 2.0 Type B, 4-pin (supports USB 1.1)
Frequency Response 20Hz to 20kHz, +/-2.0dB (Mic->Line, Line->Line, Inst->Line, PC->Line)
Distortion Interface: Less than 0.1% (during direct monitoring, 1kHz, Mic In->Line Out)
ADC: 0.01%
DAC: 0.005%
Dynamic Range ADC: 89dB
DAC: 93dB
S/N Ratio ADC: 89dB
DAC: 96dB
Channel Separation ADC: 65dB
DAC: 92dB
Operating Temperature 41 to 95°F (5 to 35°C)
Power Requirements USB bus (1W consumption)
System Requirements Mac
OS X 10.3 or better
Core Audio driver

Windows XP, Vista, Windows 7
WDM driver
Dimensions (WxDxH) 5.9 x 4.8 x 1.7" (150 x 122 x 42mm)
Weight 17.6 oz (500g)
Tascam US-125M - USB Mixing Audio Interface
  • USB Cable
  • One (1) Year Warranty
  • Be the first to review this item


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