Check the listing for details. Replacement QUICK RELEASE ADAPTER for EF Johnson EP523 by Tactical Ear Gadgets. Color: Black, Condition: New. Listed at 39.95 USD. New Tactical Ear Gadgets QUICK RELEASE ADAPTER for EF Johnson Public Safety Series Radios (See list below) Compatible with Any Tactical Ear Gadgets Quick Release Product Lapel Microphones - Hawk, Coyote, Falcon, Owl Speaker Microphones - Rhino, Ram Surveillance - Stingray, Snake, Cougar, Gecko, Jaguar Tactical - Wireless Stingray, Chameleon, Crane, Cobra Throat Mic, Python Boom Mic Compatible Radio Models: EF Johnson Viking VP600, VP900, Viking Fire, Viking CK8500 Series, Avenger 8100 Series, 51 Fire ES, 5100 ES Series, 51SL ES Series, 51LT ES, Multi-Net Ascend ES Series, AN/PRC 127EFJ Warranty Information Earphone Connection products are warranted against internal defects in material or workmanship. All communication products are warranted for 12 months. In order to obtain warranty services proof of purchase in the form of a SALES RECEIPT must be returned along with the product. We offer the following Tactical Ear Gadgets by Earphone Connection 2-way radio accessories: Police Style Quick Release Earpieces, Microphones, Headsets and Throat Mics Coyote Lapel Microphone, Falcon Lapel Microphone, Owl Lapel Microphone Rhino Speaker Microphone, Ram Shoulder Microphone Stingray Surveillance Earpiece, Snake Undercover Earpiece, Cougar 2-Wire Earpiece, Gecko and Jaguar Radio Earpieces Tactical - Wireless Stingray, Chameleon, Crane, Cobra Throat Mic, Python Boom Mic Tactical Ear Gadgets Replacement Acoustic Tubes, Ghost Earmolds, Torpedo Earbuds Replacement Acoustic Tube Connectors and Replacement Quick Release Adapters for Radios