Protect today for a safer tomorrowﾡﾪshop our comprehensive range of safety supplies! What is the 2-Wire Surveillance Mic?? (DISCONTINUED) The AAKNGSRMMSW is 2-Wire Surveillance Mic that has the acoustic tube earpiece on one wire and the microphone with Push To Talk (PTT) button on a separate wire. The 2-Wire arrangement enables the mic and PTT button to be more conveniently located on your body. The acoustic tube earpiece has replaceable tips in several styles to best fit your individual needs.? Works with the following Bendix King Radios: KNG P150 and KNG P150 command Series Radios KNG P150S?Series Radios KNG P400?Series Radios KNG P400S?Series Radios KNG P500?Series Radios KNG P800 series radios KNG2-P150 and KNG2-P150 Command Series Radios Why Choose the 2-Wire Surveillance Mic? The 2-Wire surveillance mic enables clear easily understood audio even in noisy environments and keeps your communications private.? Use this as a public safety officer to communicate effectively and privately. Recommended Options: Open Ear Insert?- Fits just inside your ear allowing ambient noise to filter thru; choose Left or Right ear when ordering. Hearing Protection Foam Ear Tips?- 29dB noise reduction, one for your acoustic tube, one for your other ear. Replacement Tip – Have you looked at your existing ear tip lately? Maybe it’s time for a new one.