Mic / Mikropon / Microphone Double Wireless Shure Beta 89. Untuk yang suka karaokean Mic ini sangat cocok dipakai. Suaranya jernih dengan isi 2 didalamnya sehingga bisa nyanyi berdua (duet). Dengan sistem wireless dan didukung dengan baterai cas yang membuat mic Shure Beta 89 bisa dibawa kemana-kemana. Cocok digunakan untuk acara dalam maupun luar ruangan.

Spesifikasi 
Receiver model............................Rechargeable
Carrier Frequency.........................500~850MHz
Frequency Steadying.......................30PPM
Sensitivity...............................3uV30dB S/N
F/N Ratio.................................80dB
P/N Ratio.................................70dB
Audio output..............................1/4", 3-pinXLR (0~774mV)
Antennae..................................BNC
Dimensions (W*H*D)........................482*172*44

Transmitter
Carrier Frequency.........................500~850MHz
Frequency steadying.......................30PPM
Modulation Model..........................FM
Nominal deviation.........................15KHz, max 30KHz
Output power..............................>50dB
RF squelch................................6F22 9V

System
Audio Frequency responses.................50-16000hZ
S/N Ratio.................................>100dB
T.H.D.....................................<1%