Catalog > Consumer Electronics > Audio and Video Communication > Radio Accessories FM Radio Mic and Receiver Wireless Mic & Receiver MIC WIRELESS JP818H Wireless FM Radio Mic & Tie Pin Receiver with 100-10KHZ Response, 72db Sensitivity and 30M Range Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Response : 100 - 10 KHzSensitivity : -72dbRange : 30 Meters2 Different FrequenciesRed & Green2 x 1.5V AA Batteries