For a speedy processing of your order, please ensure you enter your phone number at checkout. REMOTE PAGING MICROPHONE FOR MATRIX A6 AVS64RPM Features Up to 4 Remote paging microphones can be configured for each RD Port Built-in 16M Flash to save voice messages such as various alarms, tips sounds, and so on With the RPM-600EX, extends to an additional 12-zone address-selection microphone. Up to 6 pcs of the RPM600 can be used to control up to 96 zones Customize the functionaries of the zone selection button such as voice playback etc._ Indication label holder General fault indicator and MIC status and Emergency indicator USB port to update the voice message Specifications Model RPM-600 Power 24V DC ( Operation range: 15-40V DC Powered by MATRIX ) Rated current 120mA (remote emergency MIC), 250mA (Connected to 3 PCS of zone-selection expander) Frequency Response 200Hz-15KHz THD 1% SNR 55dB Volume Control Microphone volume control, Voice volume control MAX cable connection distance Cat-5e 150m in total length The number of zone selection expander connected 3 PCS Operation Temperature -5°C~45°C Dimension (L x W x H) 243 x 170 x 53 mm (9.57 " x 6,70 " x 2.09 " ) Weight 0.66kg(0.15lbs) | _ Weight: 1.523