RSQ Audio VHF Wireless Microphone System VHF-238

The RSQ VHF 238 is a professional VHF, wireless microphone system. The receiver unit features a quartz controlled fixed frequency VHF high band and is compatible with other microphone series for dual or multi channel use.

Specification : RSQ Audio Professional Dual Channel VHF Wireless Microphone System

A. Overall system

• Oscillation mode: Quartz controlled
• Carrier Frequency Range: VHF 160~270MHz
• Frequency Stability: 30ppm
• Modulation Mode: FM
• Max Deviation: 75KHz
• Dynamic Range: >100dB
• S/N >60dB
• T.H.D: <0.5%
• Frequency Response: 80Hz~20KHz at 3dB
• Operating range: > 30M
• Operating Temperature: -20~50

B. Receiver

• Sensitivity: 6dB V at S/N>20dB
• Image Rejection: >50dB
• De-emphasis: 50 s
• Audio output level: 1V p-p
• Audio Output Impedance: 600ohms
• Power supply: DC 12V/ 200mA
• Power Dissipation: <800mW

C. Transmitter

• Mike capsule: Dynamic microphone
• Pre-emphasis: 50 s
• Antenna: Built-in housing
• RF output power: <10mW
• Spurious emission: >40dB
• Battery: one 9V battery
• Power Dissipation: <250mW