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 10.9-10.14 only
For connection to Thunderbolt 3 ports please use the following adapters
Cable Matters Thunderbolt 3 to Thunderbolt or Thunderbolt 2 Adapter
Startech Thunderbolt 3 to Thunderbolt 2 Adapter
Internet connection or USB port (needed for driver installation)
macOS 10.15 Catalina Compatibility Info
Resident Audio Software cannot be installed on this operating system. To continue using your Resident Audio hardware, please do not update to macOS 10.15.
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