Image interference ratio:>88DB
Quantity of tunnel: 2
Frequency jamming ratio:>90DB
Working distance:Under standard conditions:10-30m
Power supply voltage:AC/100-240V
Sub-harmonic:?main harmonic 40DB
Pickup:600? single-minded direction
Frequency stability: <0.002%
Range of kinetic energy:>95DB
System distortion:<1%, 1kHz modulation Frequency response:50HZ-18KHZ(±3DB).
Operating Range: 80 Feet. UHF wireless microphone is less likely to subject to interference than VHF microphone. Reliable signal and no worried about the sound will be cut in and out during use.
3 vocalists can sing karaoke together. 1/4'' input for extra wireless microphone (not included but could be found from Fifine). Separate volume control for each wireless mic. Perfect for karaoke, party, school and church.
Adjustable echo effect. Allowed to mix the mic signal with music signal without using an mixer. Compact metal receiver, has stronger anti-interference ability than plastic ones. This wireless microphone system can save space at home and be portable for on the go use.
3 verified cables allowed flexibility for connections. 1x1/4'' audio cable (L:39''), 1x3.5mm audio cable (L:59''), 1x3.5mm to RCA audio cable (L:59''). It could be a karaoke microphone or speaking microphone to meet different purpose.
You will get: 1 wireless receiver, 2 handheld microphones, 3 audio cables, 1 power cord, useful instructional video and friendly customer service.