Sound Surveillance tm SMA1 Speaker Driver Microphone Interface Electronic Technical Services Inc. 211 Conchas SE Albuquerque, NM 87123 PH 505-888-3923 FAX 505-888-3926 Website: www.etsnm.com Description The SMA1 is a line level, 10 Watt, selectable 70V or 8 Ohm speaker driver (power amplifier) and SM series microphone interface typically for use in 2 way audio surveillance systems. Directly connects to DVRs and remote monitoring equipment. The SMA1 can also be used in any single zone public address application requiring 2 way communication. Use one of our Sound Surveillance speakers with a built in 70V transformer & SM1 microphone for cable runs up to 1000 feet. Includes SMA1 Speaker driver / microphone interface. 16 VAC 20VA AC adapter. 2 each 3’ RCA or 3.5mm patch cable. Installation instructions. Options SPECIFY: RCA or 3.5mm input connectors. Wiring Requirements Speaker cable run: stranded 22gauge, 2-conductor: 70V mode: cable: 1000 feet max 8 Ohm mode: 100 feet max. Microphone cable run: stranded 22gauge, 2-conductor 1000 feet max. Warranty : 1 year parts and labor. Made in USA SMA1 Speaker microphone interface Line level (0db) audio input and outputs. Standard RCA or 3.5mm jacks for connection to DVRs etc. Adjustable independent volume controls for speaker and microphone. Selectable 70V or 8 Ohm output level. 10 Watts RMS power output. Frequency response 200-10Khz. Short circuit protected. Built in 70V 10w audio power transformer. Euro-style connectors makes speaker and microphone cable terminations fast and clean. LED power indicator. Power:16 VAC @ 1000mA Auto reset fused. Black plastic ABS housing. Dimensions: L 5.3 x W 3.3 x H 1.6 Caution It is the responsibility of the installation company and end user to comply with state and federal privacy laws regarding 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 view is all that is required.
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