Industrial Covert Unlimited is in its 20th year of operation. CU1.COM has been up since mid 1999. Great security & CCTV products and people who answer the phone!
Check this out!
ETS SMDA2 2 Channel Microphone Distribution Amplifier W/ Adjustable Level Control
Product Description
The ETS SMDA2 distributes a single SM1 series microphone signal out to two un-balanced line level RCA (or 3.5mm) connectors. Use this item to send audio from one microphone to 2 locations.
Features of the SMDA2 include a black protective plastic housing, simple 12VDC power use, adjustable level control for each individual output, and of course an auto reset type fuse for circuitry protection.