Specifications - PRESONUS AudioBox USB User Manual

TECHNICAL SPECIFICATIONS

4.1 SPECIFICATIONS

Microphone Preamp
Type ............................................................................................................ XLR Female Balanced
Frequency Response (±3.0 dB) ............................................................................. 14 Hz to 70 kHz
Input Impedance (Balanced) .............................................................................................. 1200 Ω
THD+N (unwtd, 1 kHz @ +4 dBu Output, Unity Gain) .................................................. < 0.008%
EIN (A-weighted, 55dB Gain, 150 Ω Input, 20Hz to 22 kHz) ......................................... -115 dBu
S/N Ratio (Unity Gain, Ref. = +4 dBu, 20Hz to 22 kHz) ................................................... > 95 dB
Common Mode Rejection Ratio (1 kHz, 55 dB Gain) ......................................................... > 45 dB
Gain Control Range (± 1dB) .................................................................................... 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"
TRS Female Unbalanced Input Impedance ......................................................................... 0.5 MΩ
Line Outputs
Type ................................................................................................................................ ¼" TRS
Balanced Output Impedance .................................................................................................. 51 Ω
Headphone Output
Type ........................................................................................................... ¼" TRS Active Stereo
Maximum Output .................................................................................... 60 mW/Ch @ 60 Ω Load
Frequency Response (±1.0 dB) .............................................................................. 20 Hz – 30 kHz
MIDI I/O
Type ......................................................................................................... Dual 5-pin Female DIN
Digital Audio
ADC Dynamic Range (Awtd, 48 kHz Sample Rate) ............................................................ 102 dB
DAC Dynamic Range (Awtd, 48 kHz Sample Rate) ............................................................ 110 dB
Bit Depth .................................................................................................................................. 24
Reference Level for 0dBFS .................................................................................................+4 dBu
Internal Sample Frequency Selections (kHz) ..................................................................... 44.1, 48
A s a c o m m i t m e n t t o c o n s t a n t i m p r o v e m e n t , P r e S o n u s A u d i o E l e c t r o n i c s , I n c .
r e s e r v e s t h e r i g h t t o c h a n g e a n y s p e c i f i c a t i o n s t a t e d h e r e i n a t a n y t i m e
w i t h o u t n o t i f i c a t i o n .
19 | PreSonus 2008