ETS SMA1-LP Speaker Driver and Microphone Interface Box

ETS SMA1-LP Speaker Driver and Microphone Interface Box

The SMA1 is a line level, 2 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-LP 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.

Key Features:

• 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.
• 2 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 4.2 x W 2.7 x H 1.6

Includes

• SMA1-LP Speaker driver / microphone interface.
• 12Vdc 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 22-gauge, 2-conductor:
• 70V mode: cable: 1000 feet max
• 8 Ohm mode: 100 feet max.
• Microphone cable run: stranded 22-gauge, 2-conductor 1000 feet max.