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Tascam US-4x4 USB Audio/MIDI Interface (4 in, 4 out)

Features at a glance

  • High-quality Ultra-HDDA (High Definition Discrete Architecture) microphone pre-amps with ultra-low noise (EIN: –125 dBu)
  • NE5532 operational amplifier for audio input and output circuits
  • Recording at up to 96kHz/24-bit
  • Support for Mac and Windows operating systems
  • 4-in/4-out audio streaming from a PC connected via USB 2.0
  • Four XLR/TRS (mic/line) analogue inputs with phantom power
  • Input 1/2 selectable between line and instrument level
  • Wide input gain range of 57dB for dynamic microphones
  • Zero-latency monitoring (direct monitoring)
  • Four TRS analogue outputs
  • Two headphones outputs delivering 45 mW per channel
  • Independent level controls for line and phones output
  • MIDI input/output
  • Source of audio output can be selected on settings panel
  • Selectable input monitor mode (stereo/mono)
  • AC adapter included
  • USB Audio Compliance 2.0 for iOS connection
  • Standalone operation for practice sessions
  • Bundled with Cubase LE
  • DAW compatibility (Sonar, ProTools, Cubase, Live)
  • Rugged aluminum body
  • Angled industrial design for ease-of-use on a desktop

New features in Version 2.0

  • Notification function keeps you updated with the latest information for your product
  • Automatic update notification helps you to keep your software and firmware up to date (you can install new updates with the press of a button)
  • The settings panel has been redesigned for easier control including the ability to save custom settings for future use

As a 4-input/4-output USB audio/MIDI interface, the US-4x4 is perfect for music creation – and novice users in particular. It offers serious recording capabilities with 96 kHz/24-bit quality with easy-to-understand operation so users can make high-quality recordings as soon as the interface is connected.

Mic preamps are the key to audio quality, and the Ultra-HDDA mic preamps in the US-4x4 boasts –125 dBu EIN rating which means a very, very low noise floor. Because of the wide dynamic range, this interface can also be used with dynamic microphones in addition to condenser mics. This makes it ideal for a variety of applications from recording vocals, pianos and acoustic guitars.

The radical eye-catching angled design was crafted by a German designer, who has worked on numerous well-known devices used for music creation, and is optimized for ease of use on the desktop.

The newly designed driver software is easy to install, and easy to master by anyone. Operation has been tested with major DAW applications, so the user can choose their favourite DAW without concern. The US-4x4 can also be used as audio interface with iPads and other popular iOS devices by simply utilizing a genuine Apple Lightning-to-USB camera adapter (an AC adapter for use with iOS devices is already included as standard).

With the potential for future use with other DAWs and iOS devices, four microphone preamps for multi-mic setups and four configurable balanced outputs,

the US-4x4 is the ideal choice for the novice user requiring more than two audio channels.


Audio resolution
Sampling frequencies 44.1, 48, 88.2, 96 kHz
Quantization bit depth 16/24-bit
Analogue inputs
Mic inputs (balanced) XLR-3-31 equivalent
(1: GND, 2: HOT, 3: COLD)
  Input impedance 2.2 kΩ
  Rated input level −65 dBu (0.0004 Vrms) (gain knob at MAX)
  Rated input level −8 dBu (0.3090 Vrms) (gain knob at MIN)
  Maximum input level +8 dBu (1.9467 Vrms)
  Gain range 57 dB
Instrument inputs (unbalanced, MIC/LINE INST switch set to INST) 6.3-mm standard TS stereo jacks
(Tip: HOT, Sleeve: GND)
  Input impedance 1 MΩ or more
  Rated input level −63 dBV (0.0007 Vrms) (gain knob at MAX)
  Rated input level −6 dBV (0.5015 Vrms) (gain knob at MIN)
  Maximum input level +10 dBV (3.162 Vrms)
  Gain range 57 dB
Line inputs (balanced, MIC/LINE INST switch set to MIC/LINE) 6.3-mm standard TRS stereo jack
(Tip: HOT, Ring: COLD, Sleeve: GND)
  Input impedance 10 kΩ
  Rated input level −53 dBu (0.0017 Vrms) (gain knob at MAX)
  Rated input level +4 dBu (1.228 Vrms) (gain knob at MIN)
  Maximum input level +20 dBu (7.75 Vrms)
  Gain range 57 dB
Analogue outputs
Outputs (LINE OUT (BALANCED)) 6.3-mm standard TRS stereo jacks
(Tip: HOT, Ring: COLD, Sleeve: GND)
  Output impedance 110 Ω
  Rated output level +4 dBu (1.273 Vrms)
  Maximum output level +20 dBu (7.75 Vrms)
Headphone output (PHONES) 6.3-mm standard stereo jack
  Maximum output power 45 mW + 45 mW or higher
(THD+N 1% or less, into 32 Ω load)
Control inputs/outputs
MIDI IN connector 5-pin DIN
  Format MIDI standard
MIDI OUT connector 5-pin DIN
  Format MIDI standard
USB 4-pin USB B-type
  Transfer rate USB 2.0 High Speed (480 MBit/s)
Audio performance
Mic preamp EIN (Equivalent Input Noise) −127 dBu or less
(150 Ω termination, gain knob at MAX)
Frequency response (IN1-IN4 to LINE OUT (BALANCED) or Headphone (HP) output)
  20 Hz – 20 kHz +0 dB/–0.3 dB (–0.1 dB at 20 kHz) at fs = 44.1 kHz or 48 kHz, JEITA
20 Hz – 40 kHz +0 dB/–0.3 dB (–0.2 dB at 40 kHz) at fs = 88.2 kHz or 96 kHz, JEITA
S/N ratio 101 dB or higher
(MIC/LINE input to LINE OUT, gain knob at MIN, JEITA)
Distortion 0.003 % or less
(MIC/LINE input to LINE OUT, 1kHz sine wave, at nominal input level and maximum output level, JEITA)
Crosstalk 95 dB or more
(MIC/LINE input to LINE OUT, 1 kHz, JEITA)
Computer system requirements
  Computer hardware requirements Windows computer with a USB 2.0 port
  CPU/processor speed 2 GHz or faster dual core processor (x86)
  Memory 2 GB or more
CAUTION Operation of this unit was confirmed using standard computers that meet the above requirements. This does not guarantee operation with all computers that meet the above requirements. Even computers that meet the same system requirements might have processing capabilities that differ according to their settings and other operating conditions
  Computer hardware requirements Apple Mac computer with a USB 2.0 port
  CPU/processor speed 2 GHz or faster dual core processor
  Memory 2 GB or more
Supported audio drivers ASIO 2.0, WDM (MME)
Core Audio
Power supply and other specifications
Power supply Dedicated AC adapter (GPE248-120200-Z), DC 5 V
Power consumption 5 W
External dimensions (w × h × d) 296 mm × 65 mm × 160 mm
Weight 1.6 kg
Operating temperature range 5–35 °C
Bundled DAW software Cubase LE (for Mac and Windows)