Comica CVM-WM300A Wireless Lavalier Microphone System (UHF, 120m, 96 Channels)

The Comica CVM-WM300A is a professional UHF wireless lavalier microphone system designed for videographers, content creators, and live streamers. It delivers crystal-clear audio with a transmission distance of up to 120 meters in open areas, making it ideal for interviews, presentations, and filmmaking. The system operates on 96 selectable channels across two frequency groups (A: 520-534MHz, B: 564-578MHz) to avoid interference. With a compact and durable design, it features a 3.5mm TRS audio output, real-time monitoring, and a low-cut filter to reduce background noise.

Advantages

Reliable UHF transmission ensures stable audio even in crowded RF environments. The switchable RF output power (10mW/50mW) allows you to balance range and battery life. The 16-level volume adjustment and real-time monitoring via headphone jack give you full control over audio levels. The omnidirectional lavalier microphone captures natural sound from all directions, perfect for interviews and vlogging.

Suitable for

• Video production and filmmaking
• Live streaming and content creation
• Interviews and presentations
• Event recording and corporate videos

Key specifications

• Wireless Technology: UHF (Ultra High Frequency)
• Frequency Range: 520.000MHz - 534.000MHz (Group A) & 564.000MHz - 578.000MHz (Group B)
• Number of Channels: 96 (48 per group)
• Transmission Distance: Up to 120m (open area)
• Audio Output Interface: 3.5mm TRS
• Audio Input Interface: 3.5mm TRS (for lavalier microphone)
• Battery Type: 2x AA batteries per unit (Transmitter & Receiver)
• Battery Life: Approx. 6 hours
• Signal-to-Noise Ratio: >65dB
• Distortion: <0.5%
• Latency: <20ms
• RF Output Power: 10mW / 50mW (switchable)
• Receiver Sensitivity: -95dBm
• Audio Output Level: -10dBV (adjustable)
• Low Cut Filter (LCF): Yes (100Hz)
• Volume Adjustment: 16-level
• Monitoring: Real-time audio monitoring via 3.5mm headphone jack
• Antenna: 1/4 wavelength wire antenna
• Configuration: 1 Transmitter, 1 Receiver (A version)
• Microphone Type: Omnidirectional Lavalier Microphone

Recommendations

For best performance, use fresh alkaline AA batteries and avoid operating near strong RF sources. The system is compatible with cameras, recorders, and smartphones with a 3.5mm TRS input (adapter may be required for some devices).