Alesis io2 Express USB 錄音介面

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Features:

  • Two-channel computer audio recording interface
  • Record up to 24-bit, 48 kHz audio into virtually any software
  • Monitor sessions with balanced studio monitor and headphone outputs
  • High-quality A/D and D/A converters, discrete-design preamps, 48V phantom power
  • Inputs for microphones, line-level sources, and instruments including guitars
  • Tricolor stereo level meter and lighted status indicators for visual monitoring
  • MIDI Input and Output jacks for playing and controlling software with instruments
  • USB bus powered – no external power supply needed

SYSTEM REQUIREMENTS
Mac: OS X 10.6, 10.7, 10.8
Windows: XP, Vista, 7, or 8
USB port

FREQUENCY RESPONSE
MIC/LINE IN to USB OUT: ±0.1dB
MIC/LINE IN to MAIN OUT (through ADC/DAC) ±0.35dB

SIGNAL-TO-NOISE RATIO (SNR)

MIC/LINE IN (balanced) to INSERT OUT: 110dB A-weighted, input impedance at XLR or 1/4″ jack = 600 Ohms
GUITAR IN (unbalanced) to INSERT OUT: 99dB A-weighted, input impedance at 1/4″ jack = 600 Ohms
MIC/LINE IN (balanced) to USB OUT: 99dB A-weighted, input impedance at MIC or LINE jack = 600 Ohms
GUITAR IN (unbalanced) to USB OUT: 94dB A-weighted, input impedance at 1/4″ jack = 600 Ohms
MIC/LINE IN (balanced) to MAIN OUT (through ADC/DAC): 97dB A-weighted, input impedance at MIC or LINE jack = 600 Ohms
MIC/LINE IN (balanced) to MAIN OUT (through direct monitor): 95dB A-weighted, input impedance at MIC or LINE jack = 600 Ohms

TOTAL HARMONIC DISTORTION + NOISE (THD+N)

MIC/LINE IN (balanced) to INSERT OUT: <0.001% Input Gain = minimum, 1KHz input signal, INSERT OUT = 5.7dBV
GUITAR IN (unbalanced) to INSERT OUT: 0.034% Input Gain = minimum, 1KHz input signal, INSERT OUT = 5.3dBV
MIC/LINE IN (balanced) to USB OUT: 0.003% Input Gain = minimum, 1KHz input signal, USB OUT = -0.3dBFS
GUITAR IN (unbalanced) to USB OUT: 0.034% Input Gain = minimum, 1KHz input signal, USB OUT = -0.7dBFS
MIC/LINE IN (balanced) to MAIN OUT (through ADC/DAC): 0.005% Input Gain = minimum, 1KHz input signal, MAIN OUT = 5.6dBV
MIC/LINE IN (balanced) to MAIN OUT (through direct monitor): 0.006% Input Gain = minimum, 1KHz input signal, MAIN OUT = 5.6dBV


本購買包括:

  • io2 Express
  • USB cable
  • 軟件


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Alesis, Mixer 調音台, USB mixer / interface, USB 錄音, 電腦錄音

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