JBL Wireless Microphone System Product Description: Sing Along with Incredible Voice Clarity and Original JBL Pro Sound It’s time for you to take center stage. JBL wireless microphones deliver Original JBL Pro Sound with crystal-clear vocal clarity and detail. Sound your best and hit the high notes with no distortion or delay. Just plug the wireless dual-channel receiver into your speaker, turn on the mics, and you're ready to shine. The system features easily replaceable AA batteries, so you can sing all night long. Ready for a duet? Both mics blend perfectly through your speaker. Get ready for the spotlight. Specifications General Specifications Transmission Distance: >10 mPolar Pattern: CardioidFrequency Response: 65 Hz – 15 kHzSignal-to-Noise Ratio (S/N): 60 dBAUHF Frequency Band: 470 – 960 MHz (varies by SKU; EU: 657 – 662 MHz)Total Harmonic Distortion (THD): 0.5%, typicalDynamic Range: 100 dB A-weighted, typicalTransmitter Power: