Martin Ranger U2800R UHF Dual Channel Rechargeable Wireless Microphone
Specifications:
Receiver
Receiving Mode: Crystal Frequency Lock
Frequency Range : 902.2MHz - 929.8MHz
Frequency Stability : 15PPM
Sensitivity: 3uV 30dB S/N
Signal to Noise Ration : >100dB
Audio Output: 0~0.5V/4.7K
Output Connectors: One 1/4" unbalanced output jack, One XLR balanced output jack
Power Supply: AC110-220V, 50/60 Hz
Transmitter
Battery Life: Apprx. 4 continuous Hours per charge
Power On LED
Battery Low Indicator
Modulate Mode : FM
Emission Power : 30mV MAX
Harmonic Suppression : 40dB
Power : USB Rechargeable Pack or 2 x 1.5V AA Rechargeable Battery (AA Rechargeable Battery not included)
System
Operating Frequency : 902.2MHz - 929.8MHz
Frequency Stability:± 0.005%
Modulation Mode: FM
Frequency Responses: 50-20,000Hz
S/N Ratio: > 100dB
Maximum Sound Pressure : ≥120dB
Distortion Factor :≤1%
Effective Field (in the open air) : 150Ft
Operation Temperature : -10ºC to 50ºC
Package Included:
2 Wireless Microphones
1 Receiver
1 1/4" to 1/4" Microphone Cable (3 Ft.)
2 USB Rechargeable Battery Pack (800mAH)
2 USB AA Battery Socket (AA Rechargeable Battery not included)
2 AC/DC Power Adapter ( one for Wireless Receiver and one for Charging Base)