Sound Devices USBPre 2 Portable 2x2 USB Audio Interface

BH #SOUSBPRE2 • MFR #USBPRE 2
Sound Devices
Sound Devices USBPre 2 Portable 2x2 USB Audio Interface
Key Features
  • Field Mixers & Location Sound Recordists
  • USB Type-A Connectivity
  • 2 Mic Preamps, 2 Line In, Stereo Aux In
  • Outs: 2 Headphone, 2 Mic/Line, 2 Aux
With topology from the award-winning 788T recorder, field-tested reliability, and class-compliant operation, the Sound Devices USBPre 2 portable 2x2 USB audio interface offers field mixers and location sound recordists a rugged, simple, and high-resolution device that connects professional microphones, line-level sources, consumer audio electronics, and S/PDIF digital sources with Mac, Windows, or Linux computer systems.
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Sound Devices USBPre 2 Overview

  • 1Description
  • 2Portable High-Resolution Audio Interface
  • 3Precision Microphone Preamplifiers
  • 4Computer Connectivity
  • 5Flexible I/O
  • 6Informative Metering
  • 7Field-Tested Reliability
  • 8Standalone Operation

With topology from the award-winning 788T recorder, field-tested reliability, and class-compliant operation, the Sound Devices USBPre 2 portable 2x2 USB audio interface offers field mixers and location sound recordists a rugged, simple, and high-resolution device that connects professional microphones, line-level sources, consumer audio electronics, and S/PDIF digital sources with Mac, Windows, or Linux computer systems.

From its two high-gain discrete-transistor microphone preamps to its 24-bit / 192 kHz converters, the USBPre 2 is made for quality you can take with you. Unlike most 2x2 interfaces, it boasts peak limiters, high-pass filters, and input pads to prevent overloads and ensure clean signal recording. Balanced XLR mic/line outputs, unbalanced RCA aux outputs, S/PDIF digital outs, and two headphone ports (1/4" and 3.5mm) give you the connectivity you need for optimal monitoring and routing. The USBPre 2 can even function in standalone mode for situations that require an additional mic preamp or AD/DA converter without a computer.

Portable High-Resolution Audio Interface

The USBPre 2 is a high-resolution, portable class-compliant USB audio interface for Mac- and Windows-based computers. It boasts professional sonic performance and flexible connectivity for dynamic/condenser microphones, line-level sources, consumer audio electronics, and S/PDIF digital sources.

Precision Microphone Preamplifiers

USBPre 2 includes two discrete-transistor microphone preamps with 24-bit converters and sampling rates up to 192 kHz. These preamplifiers provide immense gain up to 80 dBu and ultralow noise of -127 dB EIN. Their topology is shared with Sound Devices' award-winning 744T digital audio recorder. Peak limiters, high-pass filters, and a -15 dB pad provide overload protection. All analog-to-digital and digital-to-analog conversion is performed by the USBPre 2 for superior audio performance.

Computer Connectivity

The interface allows simple plug-and-play connection to computers running macOS, Windows, and Linux via the included USB Type-B to Type-A cable. There are no drivers to install for the USBPre 2 and there are no software-only features. All additional controls and settings are available on back panel DIP switches. The USB port also provides power to the unit, both when connected as an audio interface and when used in standalone operation.

As a class-compliant audio device, the USBPre 2 is limited to a maximum data rate of 24-bit / 48 kHz in Windows, Linux, and Mac OS versions 10.4 to 10.5.7. Mac OS 10.5.8 or later support the audio class 2.0 device and can address the USBPre 2 up to 24-bit / 192 kHz.

Flexible I/O

To ensure flexible input connectivity, the USBPre 2 offers balanced XLR mic inputs, balanced 1/4" line inputs, an unbalanced stereo RCA aux input, and stereo S/PDIF inputs (on coaxial and optical ports).

Its primary outputs include balanced mic- or line-level on XLR, unbalanced consumer line-level on RCA, and S/PDIF (on coaxial and optical ports). Additionally, there is an onboard headphone amplifier that feeds 1/4" and 3.5mm headphone outputs. Two output controls are provided—one controls the RCA aux and XLR main outputs, and the other controls the headphone outputs. The headphone output can be set to mono or stereo for monitoring convenience.

Informative Metering

Accurate signal level metering is essential for any sound engineer. The USBPre 2 includes a 23-segment, multicolor LED meter for precise level indication. The meter is switchable between input signal metering and playback signal metering and it indicates both VU and peak (PPM) ballistics.

Field-Tested Reliability

Like all Sound Devices products, the USBPre 2 is designed to stand up to the most demanding environments. Its extruded aluminum chassis and panels, machined knobs, metal connectors, and laser-etched nomenclature are designed to hold up to years of abuse.

Standalone Operation

The USBPre 2 can be used in standalone mode where it operates as a high-quality portable microphone preamplifier and analog-to-digital converter. Digital signals connected to the USBPre 2 are converted to analog and available at the headphone, XLR, and RCA outputs. Standalone operation requires the unit to be connected to a USB power source. Standalone mode is a great option when an additional microphone preamplifer, A-D converter, or D-A converter is required.
UPC: 859108005505

Sound Devices USBPre 2 Specs

Form FactorTabletop
Display2 x Multi-Segment LED Meter
Channels of I/OAnalog:
2 Inputs / 2 Outputs
Digital:
2 Inputs / 2 Outputs
Max Sample Rate/Resolution192 kHz / 24-Bit
Number of Mic Preamps2
Input Level Adjustment2 x Knob
Solo/MuteNone
PadMic:
-15 dB (Switchable per Channel)
High-Pass FilterMic Input:
80 Hz, 12 dB/Octave
Expansion SlotsNone
Connectivity
Analog Audio I/O2 x XLR 3-Pin Balanced Mic Input
2 x 1/4" TRS Balanced Line Input
1 x Stereo RCA Coaxial Unbalanced Aux Input
1 x 1/4" TRS Unbalanced Headphone Output
1 x 1/8" / 3.5 mm TRS Unbalanced Headphone Output
2 x XLR 3-Pin Balanced Mic/Line Output
1 x Stereo RCA Coaxial Unbalanced Aux Output
Phantom Power+48 V, Selectable On/Off (Selectable on Individual Inputs)
Phantom Power Current10 mA per Channel
Digital Audio I/O1 x TOSLINK Optical S/PDIF Input
1 x TOSLINK Optical S/PDIF Output
1 x RCA Coaxial S/PDIF Input
1 x RCA Coaxial S/PDIF Output
Host Connection / USB1 x USB Type-B (Class-Compliant USB 2.0)
USB (Non-Host)None
Sync I/ONone
Network I/ONone
MIDI I/ONone
Wireless ConnectivityNone
Memory Card SlotNone
Performance
Frequency Response10 Hz to 40 kHz ±0.5 dB (at 96 kHz, 1 kHz)
Gain/Trim RangeMic Inputs:
Up to +80 dBu
Line Inputs:
Up to +30 dBu
Max Input LevelMic Inputs:
-10 dBu
+4 dBu (with Pad)
Line Inputs:
+28 dBu
Aux Inputs:
+9 dBu
Max Output LevelAux Outputs:
+8 dBu
Headphone Outputs:
+11 dBu
XLR Outputs:
+18 dBu (Balanced)
ImpedanceAux Inputs:
80 Kilohms (Balanced)
Aux Outputs:
660 Ohms (Balanced)
Line Inputs:
60 Kilohms (Balanced)
Mic Inputs:
4 Kilohms (Balanced)
XLR Outputs:
500 Ohms (Balanced, Line Level)
5 Ohms (Balanced, Mic Level)
Dynamic RangeA/D Converters:
114 dB (A-Weighted, 22 Hz to 22 kHz)
D/A Converters:
112 dB (A-Weighted, 22 Hz to 22 kHz)
THD+NSystem:
0.05%
Aux Outputs:
0.009%
Headphone Outputs:
0.05%
EINMic Inputs:
-127 dBu (150-Ohm Source)
Digital Audio
Sample Rates8 / 16 / 32 / 44.1 / 48 / 96 / 192 kHz
Sample Rate ConversionNone
Bit Depths8 / 16 / 24-Bit
Sync SourcesInternal or S/PDIF
Compatibility
OS CompatibilitymacOS 10.4 or Later
Windows XP
Windows Vista
Windows 7 (32-Bit, 64-Bit)
Linux 2.6.0 or Later
Included SoftwareNone
Compatible Software (Not Included)Any Core Audio (Mac) Compliant Software
Supported Drivers/API & Plug-InsmacOS Class-Compliant (No Driver Needed)
Windows Class-Compliant (No Driver Needed)
Mobile Device CompatibilityNone
Required HardwareAvailable USB 1.1 Port or USB 2.0 Port
USB Cable (Included)
Power
Power RequirementsUSB Bus Power
Physical
Dimensions7.25 x 4.25 x 1.7" / 18.41 x 10.79 x 4.3 cm
Weight1.1 lb / 0.5 kg
Packaging Info
Package Weight2.385 lb
Box Dimensions (LxWxH)10.45 x 7.4 x 4.15"
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Can I connect the USBPre 2 to an iPad?

Can I connect the USBPre 2 to an iPad?
Asked by: Autumn
I haven't tried it, but it should be possible with the camera connection kit. The USBPre 2 is Class-compliant.
Answered by: Peter
Date published: 2020-03-30

Will this act somewhat like a soundcard/DAC and ...

Will this act somewhat like a soundcard/DAC and output audio from a Mac with its outputs over USB, or do the outs only playback what is coming directly connected into the USBPre 2?
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Ye it will accept the computers audio output via USB.
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Date published: 2019-05-06

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Asked by: Jordi
Both have the same high headroom and low noise features you'd expect on a Sound Devices pre-amp. The biggest difference is the USBPre2 can max out it's gain at 80db. The MM-1 has gain options selectable up top 66db.
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Why does this cost more than a mixpre 6?

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How much mic gain does this unit offer? I'm ...

How much mic gain does this unit offer? I'm considering it versus the UA Apollo Twin. Looking for quiet and powerful mic preamps in an interface.
Asked by: Charlie
Hi Charlie, I see the following in the manual under specifications: Analog Gain • Mic: 80 dBu max • Mic: (15 dB pad) 65 dBu max • Line: 30 dBu max • Aux: 13 dBu max
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Date published: 2020-05-05

question

Can I use this to record additional ISOs on a Sound Devices 633 via the line level input?
Asked by: Anonymous
The Sound Devices USBPre 2 can be used as a standalone preamplifier and connected to the line inputs of the 633 for recording.
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Can this be used to control volume on both ...

Can this be used to control volume on both headphones and external speakers?
Asked by: David
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Can I connect the USBPre2 to my computer via a powered usb hub?
Asked by: Jeff
Yes, it also connects to smart devices via a powered USB hub. Awesome device. Worth the money.
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