KARAOKE USA(TM) Karaoke USA M187 M187 Professional Dynamic Microphone R810-JSKM187 • Corded, cardiod pattern dynamic microphone;• Freq resp: 80Hz-11kHz;• Sens: -72dB +/- dB;• Output imp: 620ohm +30%;• Connector: 1/4";• Unbalanced signal;• Cord length: 6.5ft;Length: 11.40"Width: 3... $30.87