Features at a glance

  • Near-zero latency for virtually instantaneous recording and playback
  • Support for high resolution 24-bit/96kHz audio  
  • Four channels of I/O 
  • Four combo XLR / ¼" inputs, each with input gain controls and three-color wraparound LEDs
  • Four balanced TRS ¼" outputs 
  • Dedicated headphone output and secondary headphone output
  • Input mix control to blend live signal with computer playback 
  • Master "Big Knob" output control
  • Smart Monitoring automatically switches between stereo and mono
  • High quality mic preamps and ADA converters 
  • Phantom power allows use of condenser microphones
  • Bus-powered (no need for AC or batteries)
  • Compatible with Thunderbolt™ equipped Mac and Windows computers*
  • Thunderbolt cable included
  • Comes with all required software drivers 
  • Lightweight and portable
  • Sturdy aluminum/acrylic chassis ensures roadworthiness 

System requirements

Windows Computers

  • Thunderbolt equipped system running Windows 8.0 (please see https://thunderbolttechnology.net/products for a list of Intel Certified Thunderbolt Computers and motherboards)
  • Internet connection or USB port (needed for driver installation)

Macintosh Computers

  • Thunderbolt equipped system running OSX 10.9-10.12
  • Internet connection or USB port (needed for driver installation)

Specifications

 

Connectors

Input | 4 x Combo XLR mic / balanced ¼" TRS, line / instrument level

Output | 4 x balanced ¼” TRS line-level

 1 x stereo ¼" headphone output

 (optional second headphone output via Output 3)

MIDI |  Input / Output

Thunderbolt port |  1 (bus-powered)


Controls

Trim | 4 (1 per channel) with 0 to +35 dBu mic gain range

LED clip indicator |  5 (1 per channel and 1 for Input Mix)

Line / Instrument switch |  2 (Inputs 1 & 2 / 3 & 4)

Phantom Power |  On/Off +48V (global for all channels)

Input Mix |  Blends live input signal with computer output signal 

Big Knob | Controls headphone level and monitoring level (Stereo Mix mode only)


Preamplifiers

Microphone

Connector | XLR Female

Input Impedance | 1.5k Ohm

Dynamic Range | > 92dB

Gain Range | +15dB ~ +60dB (45dB range)

Maximum Input at Minimum Gain | -1dBu

Equivalent Input Noise | -124dBu (Gain +60dB @150 ohm termination)

Total Harmonic Distortion + Noise | > 0.009% (@1kHz, -1dBFS)

Line

Connector | TRS 1/4” Phone

Input Impedance | 9.2k Ohm

Dynamic Range | > 95dB

Gain Range | +0dB ~ +45dB

Maximum Input at Minimum Gain | +15dBu

Total Harmonic Distortion + Noise | > 0.008%

Instrument

Connector | TS 1/4” Phone

Input Impedance | 1000k Ohm

Dynamic Range | > 91dB

Gain Range | +0dB ~ +45dB

Maximum Input at Minimum Gain | +15dBu

Total Harmonic Distortion + Noise | > 0.01%


Audio

Bit resolution | 24-bit

Sampling rates | 44.1, 48, 88.2, 96 kHz

Supports | ASIO, Core Audio, Windows Audio Session API (Windows 8)


Hardware            

Preamps |  2 per channel, mic / instrument

Chassis |  Aluminum/Acrylic 

A/D/A converters | More than 100dB dynamic range

Smart Monitoring | Stereo or Mono, selected by Line/Instrument switch

Stereo Mix mode | All inputs and outputs to Outputs 1 & 2 plus Output 3

Multichannel mode | 4 individual output channels  

Dimensions | 10.6 x 4.4 x 1.8 in.

Weight | 2.3 lbs


What's included

  • T4 Audio interface
  • Thunderbolt™ cable (0.5m / 19.5 in)
  • USB card with T-Series driver
  • QuickStart guide