Amazon.com: DXQMY K30 Dual Wireless Microphone System, 2 Mics & 2 Receivers, Plug-Play, Omnidirectional, 8 Hours Working Time, Compatible with iPhone/iPad/Android, 2 Year Warranty : Musical Instruments
Amazon.com: Shure GLXD14R+/B98 Dual Band Pro Digital Wireless Microphone System for Brass, Woodwinds, Percussion - 12-Hour Battery Life, 100 ft Range | Clip-on Instrument Mic, Single Channel Rack Mount Receiver : Everything
Audio Array Dual Channel Handheld Dynamic Wireless Microphone for Karaoke, Meeting, DJ, Wedding, 15 Set of Mic Usage Together Along with Power Amplifier, Active/Passive Speaker & Mixers.( AM-W14) - Cambium Retail