Pro Intercom HH10AB Intercom Handset with Cradle Black The HH10A consists of the hand set with push-to-talk switch, equipped with a US-made coil cord and 4-pin XLR connector, and a wall mount cradle with retaining spring-clip. Key Features Equipped with dynamic transducers suitable for intercom use Interior is partially filled with dense mastic material blocking internal acoustic coupling between the microphone and earspeaker High quality shielded coil cord fitted with a genuine Neutrik connector Handset is molded from commercial telephone quality compounds Technical Specifications Earspeaker Impedance: 150 Ohm @1kHz Freq. Response 200¡3200Hz Sensitivity nominal 116dB @ 1kHz Microphone (Dynamic) Impedance 150 Ohm @1kHz Freq. Response 300-4.5kHz Sensitivity nominal 51dB @ 1kHz Weight Excluding connector & cradle - Approx 12.5 oz