SM1 Microphone Specifications: Omni-directional Electret element. 25' range in all directions Low noise MOSFET pre-amplifier Line level, unbalanced output Adjustable gain Treble boost circuit. Selectable on/off. Enhances clarity of time lapse recordings Limiter circuit. Selectable on/off Easy cable run termination Flush or surface mountable. Can be mounted on a single gang electrical box
SM2 Interface Adapter Specifications Standard RCA jack for connection to tape recorders, etc Easy cable run termination LED power indicator Reverse polarity protected and fused Dimensions W 1.75 x L 2.75 x H 1.25
Wiring Requirements: Stranded 22-gauge, 3-conductor shielded cable. Distances up to 1500'