Data Sheet

SMDA-4
4 Channel Distribution
Amplifier
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123
PH 505-888-3923 FAX [phone]
Website: www.etsnm.com
Description
Distributes a single SM1 series
microphone signal out to four
un-balanced line level RCA (or
3.5mm) connectors. Use to send
audio from one microphone to 4
locations.
Includes
• SMDA-4 Distribution Amplifier
• 12 VDC AC adapter.
• 4 each 3’ RCA or 3.5mm patch
cables.
• Installation instructions.
Options
• SPECIFY: RCA OR 3.5mm output
connectors.
Wiring Requirements
• Microphone cable run: Stranded 22-
gauge, 2-conductor shielded cable.
Distances up to 1500 feet.
• Outputs: Audio coaxial cable, 1500
feet max each.
Warranty : 1 year parts and labor.
Made in USA
Caution
It is the responsibility of the installation company and end
user to comply with state and federal privacy laws regard-
ing the use of audio surveillance equipment. If you are
unfamiliar with these laws, consult a qualified attorney. In
most cases, posting the provided warning labels in plain
SMDA-4 Distribution Amplifier
Specifications
• Standard RCA or 3.5mm jacks for
connection to DVRs etc.
• Line level (0db) output levels.
• Adjustable level control for each output.
• Master level control with x2 gain.
• ETS microphone input or RCA
line level type input .
• Euro-style connectors makes cable
terminations fast and clean.
• LED power indicator.
• Power: 12 VDC @ 60mA
• Reverse polarity protected.
• All power circuitry and cable runs
protected with auto-reset type fuse.
• Black plastic ABS housing.
• Dimensions: L 2.7 x W 1.7 x H 1.6
Sound Surveillance
tm