Sinbosen 300m Long distance 2 channel UHF wireless microphone

* Frequency Range:615MHz-655MHz

* Bandwidth: 2X25MHz/4X15MHz

* Modulation: Frequency Modulation (FM)

* Oscillation mode: PLL (digital frequency synthesizer)

* Speech pick-up head: moving coil

* Signal to Noise Ratio (S/N):> 105dB (A)

* Distortion (1 kHz): <0.2% * Spurious suppression:≥90dB

* Mirror suppression:≥90dB

* Sensitivity: 0dBuV

* Audio output level:

XLR output jack:250mV/600 Q

Unbalanced output (1/4"output jack):400mV/K3 Q

* Frequency stability: < 10ppm * Audio Frequency Response: 50Hz- 18KHz

* Dynamic range: > 100dB (A)

* Working distance: 150 meters(ideal environment)

* Battery Specifications: 2 (15V) AA alkaline batteries

* Power Specifications: 100-240V 50-60Hz (switch power adapter)