Shure BLX14R/P31 UHF Wireless Microphone System - Perfect for Speakers, Performers, Presenting - 14-Hour Battery Life, 300 ft Range | PGA31 Headset Mic, Single Channel Rack Mount Receiver | K3E Band
Shure BLX14R/SM31 UHF Wireless Microphone System - Perfect for Fitness, Aerobics - 14-Hour Battery Life, 300 ft Range | SM31 Fitness Headset Mic, Single Channel Rack Mount Receiver | K3E Band
Shure BLX14R/SM35 UHF Wireless Microphone System - Perfect for Speakers, Performers, Presenting - 14-Hour Battery Life, 300 ft Range | SM35 Headset Mic, Single Channel Rack Mount Receiver | K3E Band