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Presonus Audiobox USB Interface

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Presonus AudioBox USB

The Presonus AudioBox USB interface is ideal for mobile musicians, podcasters, and sound designers on-the-go who rely primarily on software and have a USB-equipped computer. The interface itself is a compact, rugged device that connects to a computer via USB 1.1 connection. It works with both Mac and PC and features a wealth of helpful features.

Despite its small size, the AudioBox shines with the exemplary quality that Presonus is known for. It features dual-purpose mic/instrument ins with class A microphone preamplifiers and 24-bit/48kHz sample rate conversion. All audio is output via dual line-level outputs and/or a headphone output. It also supports MIDI I/O connections, meaning it can be used in tandem with control surfaces, keyboards, and other MIDI-equipped devices without the need for a MIDI interface.

AudioBox Features

  • 2 dual-purpose front-panel input channels, each with high-quality mic preamplifiers
  • 2 combo mic/instrument inputs
  • Individual channel-trim controls with 0 to +35 dBu mic gain range
  • 48V phantom power for condenser microphones
  • Mixer control (blends the input signal with the computer playback stream for zero-latency monitoring)
  • Headphone jack with level control
  • Main-output level control
  • LED clip indicator for each channel
  • 24-bit resolution and 44.1 and 48 kHz sampling rate
  • Professional-grade A/D/A converters (+102 dBu dynamic range)
  • Zero-latency monitoring via internal mixer
  • Powered via USB bus—no wall wart!
  • Bundled Software
  • Studio One® Artist 2
  • PreSonus’ revolutionary new digital audio workstation, with unlimited track count and 6+ GB of 3rd-party resources. With Studio One's Nimbit® extension, you can immediately start selling your music.

Microphone Preamp

Type: XLR Female Balanced
Frequency Response (±3.0 dB): 14 Hz to 70 kHz
Input Impedance (Balanced): 1200Ω
THD+N (unwtd, 1 kHz @ +4 dBu Output, Unity Gain): < 0.008%
S/N Ratio (Unity Gain, Ref. = +4 dBu, 20 Hz to 22 kHz): > 95 dB
Common Mode Rejection Ratio (1 kHz, 55 dB Gain):> 45 dB
Gain Control Range (± 1 dB): 0 dB to 35 dB
Max Input Level (Unity Gain, 1 kHz @ 0.5% THD+N): -3 dBu
Phantom Power (±2 VDC): +48 VDC

Instrument Input

Type: ¼"
TS Female Unbalanced Input Impedance: 0.5 MΩ

Line Outputs

Type: ¼"
Balanced Output Impedance: 51Ω

Headphone Output

Type: ¼" TRS Active Stereo
Maximum Output: 60 mW/Ch @ 60Ω Load
Frequency Response (±1.0 dB): 20 Hz - 30 kHz


Type: Dual 5-pin Female DIN
Digital Audio
ADC Dynamic Range (A-wtd, 48 kHz Sample Rate): 105 dB
DAC Dynamic Range (A-wtd, 48 kHz Sample Rate): 105 dB
Bit Depth: 24
Reference Level for 0 dBFS: +4 dBu
Internal Sample Frequency Selections (kHz): 44.1, 48
Power: USB Bus-powered


Dimensions: 1/3U (steel chassis)
Height: 5.5” (139.7 mm)
Depth: 1.75" (44.45 mm)
Width: 5.5” (139.7 mm)
Weight: 5 lbs (2.27 kg)

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