Comica Audio BoomX-U U2 Compact 2-Person Wireless Microphone System for Mirrorless/DSLR Cameras

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Designed for mobile journalists, videographers, and vloggers, the Comica BoomX-U U2 is a compact, true wireless microphone system with two microphones and just one receiver. It delivers reliable transmission with a clear sound at a distance up to 394' and offers a complete solution for recording dialogue, interviews, and speech with two people talking simultaneously—directly to a mirrorless/DSLR camera, camcorder or a mobile device.

The lightweight BoomX-U U2 consists of two compact clip-on transmitters each with its own built-in omnidirectional microphone and a separate lavalier microphone. It also comes with a small receiver that mounts on and plugs directly into your camera. Additionally, the included TRRS output cable gives you the option to plug the receiver into any smartphone equipped with a headphone jack. The XLR output cable is for use with professional camcorders.


Easy-to-Operate Wireless
  • This easy-to-use system features an auto-scan function that searches among 48 frequencies to find the cleanest available one for you, while the built-in infrared sync makes linking the transmitters and receiver a snap.
  • The two receiver antennas can be raised 180° to increase the wireless signal reception range.
  • Dedicated gain buttons on the receiver allow quick and effortless adjustment of the signal level for each microphone independently.
  • The receiver and the transmitters have a display that shows signal strength, audio level, mono/stereo configuration, and battery life. The display can be flipped to accommodate your viewing angle.
  • You have the option to switch between mono or stereo on the receiver: Recording in mono combines both microphones on both the left and right side of your audio track. Recording in stereo puts one person on the left and the other person on the right, allowing you to isolate each person's dialog and adjust each level individually later in post.
  • The transmitters and the receiver are powered via a built-in lithium-ion rechargeable battery that provides 6 hours of operating time. 

Comica Audio BOOMX-U2 Specs

System
Wireless TechnologyAnalog UHF
Number of RF Channel Frequencies48
Included Transmitters2 x Clip-On with Microphone
DiversityNon-Diversity
RF Frequency Band568.125 to 579.875 MHz
RF Channel ScanningAuto-Scan
Max Operating Range393.7' / 120 m (Line of Sight)
Max Transmitters per Band2
Latency< 20 ms
Receiver
Receiver TypeCamera-Mount
Mounting OptionsBelt Clip, Shoe-Mount (with Included Hardware)
Antenna2 x External (Side-Mount)
Number of Audio Channels2
Audio I/O1 x 1/8" / 3.5 mm TRS Female Unbalanced Output
1 x 1/8" / 3.5 mm TRS Female Unbalanced Headphone Output
USB/Lightning Connectivity1 x USB-C (Charging)
Approximate RF Sensitivity-90 dBm
Power RequirementsBattery
Battery Type1 x Built-In Rechargeable
Internal Battery Capacity600 mAh
Approx. Battery Life6 Hours (Lithium Rechargeable)
Display & Indicators1 x LCD (AF Level, Battery Status, Output Level)
HousingPlastic
Operating Temperature32 to 122°F / 0 to 50°C
Dimensions1.9 x 0.9 x 2.6" / 49 x 22 x 66 mm
Weight1.9 oz / 55 g
Transmitter
Transmitter TypeClip-On with Microphone
RF Output Power15 mW
Audio I/O1 x 1/8" / 3.5 mm TRS Female Unbalanced Input (Lockable)
MutingOff/On Switch
Auto-Level ControlNo
Signal ProcessingHigh-Pass Filter:
Frequency Response80 Hz to 20 kHz
Sync MethodIR
Antenna1 x Internal
Power RequirementsBattery
Battery Type1 x Built-In Rechargeable
Internal Battery Capacity600 mAh
Approx. Battery Life6 Hours (Lithium Rechargeable)
USB/Lightning I/O1 x USB-C (Bus Power, Charging)
Display & Indicators1 x LCD (Audio Level, Battery Status, Mute, Signal Strength)
HousingPlastic
Operating Temperature32 to 122°F / 0 to 50°C
Dimensions1.9 x 0.9 x 2.6" / 49 x 22 x 66 mm
Weight1.7 oz / 47 g
Microphone
Microphone TypeIntegrated
Sound FieldMono
Polar PatternOmnidirectional
Microphone 2
Microphone TypeLavalier
Sound FieldMono
Polar PatternOmnidirectional
Outputs1 x 1/8" / 3.5 mm TRS Male Unbalanced