Comica BoomX-D D2 2.4GHz Dual-Channel Wireless Microphone System with 2 Transmitters and 1 Receiver

The Comica BoomX-D D2 is a professional 2.4GHz dual-channel wireless microphone system designed for content creators, videographers, and journalists. Featuring two transmitters and one receiver, it delivers high-quality audio with low latency and a stable connection up to 50 meters line-of-sight. The system includes built-in omnidirectional microphones and supports external lavalier mics via 3.5mm TRS input. With an OLED display, 4-level gain control, and USB-C charging, the BoomX-D D2 is ideal for DSLR, mirrorless cameras, smartphones, and PCs.

Advantages

Reliable 2.4GHz digital transmission with automatic frequency hopping ensures interference-free audio. The compact and lightweight design makes it easy to carry and mount on cameras or subjects. Long battery life of up to 5 hours allows for extended recording sessions. The receiver features a headphone monitoring output for real-time audio checks.

Suitable for

• Vlogging and YouTube content creation
• Interviews and documentary filmmaking
• Live streaming and podcasting
• Event videography and corporate video production

Key specifications

• Wireless Technology: 2.4GHz Digital
• Operating Range: Up to 50m (LOS), 30m (NLOS)
• Latency: <20ms
• Frequency Response: 20Hz - 20kHz
• Audio Output Interface (Receiver): 3.5mm TRS, 3.5mm TRRS
• Audio Input Interface (Transmitter): 3.5mm TRS (for external lavalier mic)
• Built-in Microphone Polar Pattern: Omnidirectional
• Battery Life (TX/RX): Up to 5 hours
• Charging Port: USB-C
• Number of Transmitters: 2
• Number of Receivers: 1
• Monitoring Output: 3.5mm Headphone Jack (on Receiver)
• Gain Control: 4-Level Adjustable (0-12dB)
• Display Type: OLED Screen
• Signal-to-Noise Ratio: >70dB
• Dynamic Range: >80dB
• Compatibility: DSLR Cameras, Mirrorless Cameras, Smartphones, PCs
• Material: ABS Plastic

Recommendations

For best results, use with an external lavalier microphone for improved audio clarity. Ensure line-of-sight between transmitter and receiver to maximize range. Charge all units fully before use.