Amazon.com: Wireless Microphone with Bluetooth&Echo/Treble/Bass, 165 ft Range, Bietrun UHF Dual Handheld Cordless Dynamic Mic System for PA System/AMP/Home TV Karaoke/Bluetooth Speaker/(1/4''&1/8''AUX Interface) : Everything Else
Amazon.com: Sennheiser Pro Audio XSW 1-825-A Vocal Wireless Microphone, A Range 548-572 MHz : Musical Instruments