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1x10 Stereo Audio Line Switcher or 1x6 33 Watt RMS Stereo Amplifier & Switcher


The VS-406 is a switcher/amplifier for unbalanced stereo audio signals. The unit mechanically switches a single stereo line input to one of ten stereo line outputs, or to one of six 33 watt RMS per channel amplified speaker outputs.

Features & Benefits

  • Amplifier - 33 watts RMS per channel into 8Ω.
  • Mechanical Switching - Unpowered 1x10 line to line switching, amplified 1x6 line to speaker switching.
  • Bandwidth - 20kHz (-3dB).
  • Control - Speaker volume control knob.
  • Speaker Gain Adjustment - 26dB, 32dB, 38dB (factory setting), 42dB.
  • Indicator - Power ON LED.
  • Standard 19" Rack Mount Size - 1U. Rack "ears" included.
  • Power Supply - 24V DC.

Product Use Diagram

Product Specifications

Inputs1 unbalanced stereo audio RCA connectors.
Output6 powered speakers on terminal blocks with springs; 10 line level unbalanced audio stereo on RCA connectors
Input Sensitivity0.5Vpp @38dB total gain
Maximum Output Level40Vpp @10% THD + N; 33W/channel; 8Ω full load
Max Voltage Gain+38dB
S/N Ratio74dB @10% THD + N
ControlsVolume level range: -51dB to 38dB (internal gain switches are set to 38dB)
CouplingInput - AC; Output - DC
Audio THD + Noise0.2% @2W into 8Ω
Audio 2nd Harmonic0.16% @2W into 8Ω
Amplifier TypeClass D
Power Consumption24V DC, 3.6A
Product Dimensions W, D, H19" x 7.20 x 1U (43.6cm x 18.30cm 4.36cm)
Product Weight2.6 lbs (1.2kg)