FSR 4 x 1 Audio Switcher with Mic/Line Voice Mixer & Mono Amplifier

BH #FSITAS41125M • MFR #IT-AS411-25M70
FSR 4 x 1 Audio Switcher with Mic/Line Voice Mixer & Mono Amplifier
Key Features
  • 4 x Program Audio Inputs
  • 1 x Mic/Line-Level Input
  • Mixes Voice Input into Signal
  • Balanced/Unbalanced Input & Output
Switch between up to four audio feeds and mix in an independent mic or line-level input to the selected audio channel with the 4 x 1 Audio Switcher with Mic/Line Voice Mixer & Mono Amplifier from FSR. Featuring four switched program audio inputs and a mic/line-level input, this switcher enables you to add the feed from a voice-lift system or microphone to your selected active program audio. Additionally, an integrated 25W mono audio amplifier enables you to drive either a 4- to 8-ohm speaker or a 70V line output.
Special Order
Expected availability: 7-10 business days
$529.95

FSR 4 x 1 Audio Switcher with Mic/Line Voice Mixer & Mono Amplifier

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FSR IT-AS411-25M70 Overview

Switch between up to four audio feeds and mix in an independent mic or line-level input to the selected audio channel with the 4 x 1 Audio Switcher with Mic/Line Voice Mixer & Mono Amplifier from FSR. Featuring four switched program audio inputs and a mic/line-level input, this switcher enables you to add the feed from a voice-lift system or microphone to your selected active program audio. Additionally, an integrated 25W mono audio amplifier enables you to drive either a 4- to 8-ohm speaker or a 70V line output.

The switcher offers balanced/unbalanced input and output capability and is equipped with DIP switches that allow you to set the voice input level to mic or line, adjust microphone sensitivity, set phantom power, and select mono or stereo operation. There are two sets of control buttons for adjusting the volume or muting the program audio and voice inputs. In addition to the front-panel push buttons, the switcher can also be controlled via an external dry contact closure or RS-232 serial commands.

Four program balanced/unbalanced stereo audio inputs
Mic/line-level voice-lift input
Mixes program audio with voice-lift
24V phantom power
One stereo preamp audio output (or two mono)
Loop output
Integrated mono audio amplifier
Serial control with serial pass-through
Terminals for remote muting of voice and/or program audio via dry contact closure
LED indicators for input selection, volume level, and muting status
Program audio trim (gain)

FSR IT-AS411-25M70 Specs

Input
Audio Input Connectors4 x Terminal Block (Pluggable) 5-Pin Female Balanced/Unbalanced Stereo Program
1 x Terminal Block (Pluggable) 3-Pin Female Balanced Mic/Line
Output
Audio Output Connectors1 x Terminal Block (Pluggable) 5-Pin Female Balanced/Unbalanced Stereo
1 x Terminal Block (Pluggable) 4-Pin Female Mono
Audio Performance
Max Input LevelProgram Input: 7.5 dBV
Mic/Line Input: 1 dBV
Input SensitivityPush Terminal:
-20 dBV (at 8 Ohms)
-20 dBV (at 70 V)
Mic/Line:
-43 dB or -35 dB
I/O ImpedanceInput:
20 Kilohms (Balanced/Unbalanced)
Frequency ResponsePreamp Output:
20 Hz to 20 kHz ±0.05 dB
Amplifier Output:
100 Hz to 20 kHz 0/-1 dB
SNRPreamp Output:
>80 dB (1 kHz, Unweighted)
Amplifier Output:
80 dB (1 kHz, Unweighted)
THD+NPreamp Output:
<0.09% (at 1 kHz, 600-Ohm Load, Balanced)
Amplifier Output:
<0.8% (at 1 kHz, 70 V)
<0.7% (at 1 kHz, 8 Ohms)
Amplifier Power Rating1 x 25 W RMS
Load Impedance / VoltageMono:
4 Ohms (Minimum)
8 Ohms (Maximum)
70 V
Power
Power Connector1 x Proprietary (24 VDC at 1.3 A) Input
General
Rack Form Factor1 RU
Dimensions8.47 x 6 x 1.59" / 21.51 x 15.24 x 4.04 cm
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