The PMI-4 is designed to be used with ETS PM1 professional series microphones (or any other balanced 12v-48v phantom powered or dynamic professional microphones). The PMI-4’s line level outputs connect to the ‘audio input’ of a DVR or other equipment. The PMI-4 features a 3 band EQ and a selectable 12v/48v phantom power switch.

Includes:

• PMI-4 Interface box
• 12v 500ma Power Supply
• 4ea 6’ RCA-RCA Patch cord
• Installation instructions.

Options:

• SPECIFY: RCA OR 3.5mm input / output connectors.

Wiring Requirements:

Microphone cable run: Stranded 22- gauge, 2-conductor shielded cable or high grade “microphone” cable. Distances up to 500 feet. 

Features:

• Ultra low noise microphone pre-amplifiers
• Adjustable microphone pre-amp gains: 26db to 40db
• Input impedance 1K Ohms.
• Inputs: RFI and transient protected
• Switch selectable 12v-48Vdc regulated phantom power supplies
• Phantom power on/off switches
• Equalizers: 3 frequency band controls: Bass, Midrange and Treble
• Output level controls: +/- 20db
• Outputs short circuit protected.
• Output impedance: 100 Ohms.
• S/N ratio: better than 60db (EQ flat)
• Frequency response 20HZ-30Khz (EQ. flat)
• Power consumption, 100ma@12Vdc.
• Auto-reset fused
• Power indicator
• Weight: .24lbs
• Dimensions: L 6.9 x W 4.3 x H 1.6