ETS SM1-U Unidirectional pre-amplified microphone for use where back- ground noise must be reduced. Simply mount the SM1-U in the direction of interest.

Features:

• Reduced (-20db) sensitivity on all sides.
• Unique dual electret pickup and differential amplifier results in astonishing ambient (background) noise rejection.
• Low noise MOSFET
  pre- amplifiers.
• Similar in appearance to a fire suppression sprinkler head.
• Adjustable gain.
• Line level unbalanced output.
• Limiter and TB circuits
  selectable on/off.
• Easy cable run termination.
• Power: 12VDC @ 10mA.
• On-board voltage regulator
• Requires an Interface Adapter
• Optional surface mount adapter, SM1-S
• NOTE: This price is for the Microphone only