The Martin Ranger WM-200 Rechargeable VHF Wireless Microphone is remarkable. The WM Series professional microphones introduces a number of advanced technology and components, including the efficient low-consumption RF transmission technology, and a superb VHF narrowband receiver. It has all the features anyone could look for. It utilizes the standard desktop receiver along with enhanced muting and high signal/noise ratio. There's almost zero noise output when on standby. The microphone itself has a broad frequency response range, and super low distortion. There's no impact on switching the receiver on which ensures safety for the rear stage amplifier system and speakers. Besides having all those features, it also comes in a deluxe silver design with operating status signals, and a luxury LCD display.

Features and Specifications

Receiver:

• Receive Mode: crystal frequency lock
• Frequency Range: 180~300MHz
• Frequency Stability: 15PPM
• Sensitivity: 3uV 30dB S/N
• Signal/Noise Ratio: 60dB
• Audio Outut: 0~0.5V/4.7k
• Dimension: (LxWxH) 326x200x53mm
• Power: AC90/240V (±10%)

Transmitter:

• Frequency Range: 180~300MHz
• Frequency Stability: 15PPM
• Modulation Mode: FM
• Modulation Depth: 10KHz
• Emission Power: 30mV MAX
• Battery: 9V AA
• Antennae: Built-In
• Battery Current: 25~30mA
• Dimension: 247x45mm

System Specification:

• Frequency Range: 180~300MHz
• Frequency Stability: ±0.005%
• Modulation Mode: FM
• Frequency Response: 50-16000Hz
• Signal/Noise Ratio: >60dB
• Maximum Sound Pressure: =120dB
• Distortion Factor: =1%
• Effective Field: 30m
• Operating Temperature: 10° C ~+50° C