FSR, Inc IT-AS411
4 x 1 Audio Switcher with Voice Lift Mixing

OUR PART #  IT-AS411

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With an extra mic/line level input for a voice lift system or direct microphone input, the FSR IT-AS411 Audio Switcher is a 4x1 audio switcher that has (4) switched program audio inputs, and features an independent mic or line level input summed (mixed) with the selected active program audio.

It comes with balanced or unbalanced I/O capability. DIP switches let you set the voice input level to mic or line, adjust microphone sensitivity, select mono or stereo operation, and set phantom power. Adjustable volume control buttons and mute are also available for both program audio and voice inputs.

FSR IT-AS411 Features:

  • Mic / line level voice lift input
  • Program audio / voice lift mixing
  • Program audio inputs and outputs
  • Serial control with serial pass-through
  • Terminals for remote muting of voice and/or program audio via dry contact closure
  • On board LED's monitor; input select, volume level and muting status
  • Current limited remote LED output terminal for program audio and voice (mute) status
  • Integrated audio amplifiers on A25-M70 and A25-S8 models
  • Program audio trim (gain)
  • Preamplifier output

FSR IT-AS411 Specifications:

  • Program Audio Input:
    • Program Inputs: 4, Stereo balanced/unbalanced
    • Microphone Inputs: 1
    • Connector Type: Pluggable screw terminal
    • Maximum Input Level: 7.5dBV
    • Input Impedance: 20 kOhm balanced/unbalanced
  • "Voice-in type" Input:
    • Connector Type: Pluggable screw terminal
    • 'Voice in' Type: Microphone/Line
    • Maximum input level: 1dBV
    • Microphone Sensitivity: -43dB/-35dB
    • Low cutoff: 200Hz
    • Phantom power: 24V
  • Preamp Audio Output:
    • Number of outputs: 1 Stereo or 2 Mono (L + R program audio input summed)
    • Signal output: Balanced/unbalanced
    • Frequency response: 20Hz – 20kHz (+/- 0.5dB)
    • THD + N: <0.09% @ 11dBV with 600 Ohm load (balanced)
    • Signal to Noise ratio: 80dB
    • Output impedance: 50 Ohms
  • Power: 24 VDC 0.5A
  • Dimensions: Half Rack x 1U
  • Shipping Weight: 3.5 lbs.

FSR, Inc IT-AS411
4 x 1 Audio Switcher with Voice Lift Mixing

OUR PART #  IT-AS411

Product Information:

With an extra mic/line level input for a voice lift system or direct microphone input, the FSR IT-AS411 Audio Switcher is a 4x1 audio switcher that has (4) switched program audio inputs, and features an independent mic or line level input summed (mixed) with the selected active program audio.

It comes with balanced or unbalanced I/O capability. DIP switches let you set the voice input level to mic or line, adjust microphone sensitivity, select mono or stereo operation, and set phantom power. Adjustable volume control buttons and mute are also available for both program audio and voice inputs.

FSR IT-AS411 Features:

  • Mic / line level voice lift input
  • Program audio / voice lift mixing
  • Program audio inputs and outputs
  • Serial control with serial pass-through
  • Terminals for remote muting of voice and/or program audio via dry contact closure
  • On board LED's monitor; input select, volume level and muting status
  • Current limited remote LED output terminal for program audio and voice (mute) status
  • Integrated audio amplifiers on A25-M70 and A25-S8 models
  • Program audio trim (gain)
  • Preamplifier output

FSR IT-AS411 Specifications:

  • Program Audio Input:
    • Program Inputs: 4, Stereo balanced/unbalanced
    • Microphone Inputs: 1
    • Connector Type: Pluggable screw terminal
    • Maximum Input Level: 7.5dBV
    • Input Impedance: 20 kOhm balanced/unbalanced
  • "Voice-in type" Input:
    • Connector Type: Pluggable screw terminal
    • 'Voice in' Type: Microphone/Line
    • Maximum input level: 1dBV
    • Microphone Sensitivity: -43dB/-35dB
    • Low cutoff: 200Hz
    • Phantom power: 24V
  • Preamp Audio Output:
    • Number of outputs: 1 Stereo or 2 Mono (L + R program audio input summed)
    • Signal output: Balanced/unbalanced
    • Frequency response: 20Hz – 20kHz (+/- 0.5dB)
    • THD + N: <0.09% @ 11dBV with 600 Ohm load (balanced)
    • Signal to Noise ratio: 80dB
    • Output impedance: 50 Ohms
  • Power: 24 VDC 0.5A
  • Dimensions: Half Rack x 1U
  • Shipping Weight: 3.5 lbs.
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