ETS STW1-W4C Pre-amplified Microphone & Speaker w/Optional Call Switch

4 inch wall mount, two-way microphone speaker. with Optional Call Switch (C5 option same price).

STW1-W4 Microphone:

• Omni-directional 25' pickup pattern
• Low noise MOSFET pre-amplifier
• 200Hz-16Khz Frequency response. Significantly reduces background noise
• Adjustable gain
• Line level, unbalanced output
• Limiter circuit selectable on/off
• Treble boost on/off
• Power: 12VDC @ 10mA
• On-board voltage regulator and RFI filtering
• Max 1500' feet cable run

STW1-W4 Speaker:

• 4" speaker
• 2 Watt power amplifier
• Adjustable volume
• Selectable 70v input or line level  
• 500Hz-5Khz response
• Power: 250ma (line input)
• On board regulator
• Dimensions: L 4.6" W 4.5" H 1.9"