Soft dB's SMS-PRE-8 are designed to collect, average and amplify the signals from the microphones measuring the ambiant noise in a zone.

They are equipped with 4 or 8 microphone inputs.

Specifications:

• External Power Supply (included): 24 volts (FCC and UL)
• Nbr of inputs: 8
• Output voltage: 2 volts (max)
• Connections: BNC Connector
• Dimensions: 127x127x57 mm
• Weight:1½ lbs (0.68 kg)