The Tascam US-4x4HR delivers professional-grade connectivity with 4 XLR mic inputs and 4 TRS line inputs, plus dedicated guitar inputs on channels 1-2. Built-in MIDI IN/OUT ports expand creative possibilities, while integrated loopback functionality and native OBS support streamline podcast and live streaming workflows. Operating at up to 192 kHz, the enhanced audio circuit ensures pristine signal integrity across all channels. Intuitive controls, refined industrial design, and included software bundles make this interface an accessible yet capable solution for content creators and audio professionals alike.
- 4-in/4-out USB audio interface
- Supports up to 24-bit/ 192kHz audio formats
- Improved TASCAM driver with selectable buffer size from 4 samples provides low-latency and stability (Windows: TASCAM native driver)
- 4 XLR/TRS combo inputs equipped with Ultra HDDA mic preamps and +48V phantom power
- Combo TRS line inputs with guitar input support on IN1-2
- TRS line outputs 1-2/3-4
- Two headphone outputs
- Equipped with MIDI IN/OUT terminals
Spec Description
| Sampling frequency | 44.1k/48k/88.2k/96k/176.4k/192k Hz |
| Quantization bit rate | 24bit |
| Analog audio inputs | |
| MIC IN | IN 1 / IN 2, IN 3 / IN 4 |
| Connector | XLR-3-31(1:GND, 2:HOT, 3:COLD), BALANCED |
| Input impedance | 2.2k ohms |
| Maximum input level (GAIN:MIN) |
+9dBu (2.183Vrms) |
| Gain | 56dB |
| INST IN | IN 1 / IN 2 |
| 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 or more |
| Maximum input level (GAIN:MIN) |
+10dBV(3.162Vrms) |
| Gain | 56dB |
| LINE IN | IN 1 / IN 2, IN 3 / IN 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 |
| Maximum input level (GAIN:MIN) |
+20dBu(7.746Vrms) |
| Gain | 56dB |
| Analog audio outputs | |
| LINE OUT | 1-2, 3-4 |
| Connector | 6.3mm(1/4″)TRS-jack(T：HOT, R：COLD, S：GND), BALANCED |
| Output impedance | 210 ohms |
| Nominal output level | +4dBu (1.228Vrms) |
| Maximum output level | +20dBu (7.746Vrms) |
| PHONES | |
| Connector | 6.3mm(1/4″) stereo phone jack |
| Maximum output level | 45mW+45mW or more (THD+N 0.1% or less, 32ohms loaded) |
| Output impedance | 51.5ohms |
| Working impedance | 16ohms to 600ohms |
| MIDI IN /OUT | |
| Connector | Din 5-pin |
| Format | Standard MIDI format |
| USB | |
| Connector | USB Type-C |
| Format | USB2.0 HIGH SPEED (480Mbps) |
| Power | |
| When connected PC | USB bus powered AC Adapter (TASCAM PS-P1220E, included) |
| When connected iOS/iPadOS | AC Adapter (TASCAM PS-P1220E, included) |
| Power consumption | 2.25W |
| Dimensions | 296(W) × 65(H) × 160(D)mm (including protrusions) |
| Weight | 3.53lb (1.6kg) |
| Operating temperature | 5 to 35°C |
| Accessories | AC adapter(TASCAM PS-P1220E), USB cable (Type-A to Type-C), Set of DAW software installation guides, Set of DAW plug-in software installation guides, Owner’s Manual (including warranty) |
Audio Performance
| Mic amp EIN (equivalent input noise) | -128dBu or lower |
| Frequency response | |
| MIC / LINE IN | |
| 44.1k/48k Hz | 20Hz to 20kHz, +0dB/-0.4dB(JEITA) |
| 88.2k/96k Hz | 20Hz to 40kHz, +0dB/-0.4dB(JEITA) |
| LINE OUT | |
| 44.1k/48k Hz | 20Hz to 40kHz, +0.2dB/-0.1dB(JEITA) |
| 88.2k/96k Hz | 20Hz to 40kHz, +0.2dB/-0.4dB(JEITA) |
| THD + N | 0.0013% (MIC IN, 1kHz sine wave, -5dBFS input, GAIN knob at minimum, 20kHz SPCL LPF) |
| 0.0011% (LINE IN, 1kHz sine wave, -5dBFS input, GAIN knob at minimum, 20kHz SPCL LPF) | |
| 0.0012% (LINE OUT, 1kHz sine wave, -4dBFS input, MONITOR knob at maximum, 20kHz SPCL LPF) | |
| S/N ratio | 110dB (MIC IN, GAIN knob at minimum, 20kHz SPCL LPF+A-Weight) |
| 108dB (LINE IN, GAIN knob at minimum, 20kHz SPCL LPF+A-Weight)) | |
| 110dB (LINE OUT, MONITOR knob at maximum, 20kHz SPCL LPF+A-Weight) | |
| Crosstalk | 95dB or more (MIC/LINE IN to LINE OUT, 1kHz sine wave, GAIN knob at minimum) |
Computer system requirements
Windows
| Compatible computers | Windows computer with a USB 2.0 (or higher) port |
| CPU type/speed | 2GHz or faster dual core processor (x86) |
| Memory | 2GB or more |
| Driver | ASIO2.0, WDM, MIDI |
Mac
| Compatible computers | Mac with a USB 2.0 (or higher) port |
| CPU type/speed | 2GHz or faster dual core processor |
| Memory | 2GB or more |
| Driver | Core Audio, Core MIDI |
* Verified with Intel and Apple Silicon (M1 and M2) hardware
iOS/iPadOS divice
| Driver | Core Audio |
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