SY SY-3A-40W, Installation Manual, Page: 2 / 8

SY-3A-40W
www.sy.co.uk
The SY-3A-40W is a 40W mono (summed stereo) Power Amplifier, with both 70V and 100V line speaker
outputs, that can be used with many products such as SY-HD-3.5AD HDMI Audio De-embedder, or even as
standalone amplifier. This amplifier also features a voice-over capability that will allow its use in
presentation applications.
Features

Three selectable line level inputs – two analogue audio and one fibre input

Talk-over microphone input

Talk-over microphone has three operating modes: 48V, MIC level, or LINE level

Auto muting when no input signal present

70V (US) or 100V (EU) line speaker output

IR control to adjust the amplifier remotely
(Optional)

RS232 control for computer control

Ducking function on MIC / LINE input
Connectors and Controls
Front
Name Description
Input Select Amplifier input 1, 2 or 3 selection
Adjustment Select Selects the parameter adjustment for:
MIC, LINE, BASS, TREBLE
Decrease Button

Press to decrease the selected parameter value
Increase Button

Press to increase the selected parameter value
Mute Button Mute the Amplifier output