Ulanzi A21 USB-C microphone pair — 2-piece set (black and white)

The Ulanzi A21 USB-C microphone pair is a compact two-piece set engineered for direct digital connection to devices with USB-C ports. Supplied as contrasting black and white units, the set enables stereo or dual-source recording without additional interfaces. Its small form factor and plug-and-play USB-C compatibility make it suitable for field interviews, mobile streaming, podcasting and quick on-the-go capture where a reliable digital microphone feed is required.

Advantages

The two-microphone configuration supports stereo recording or independent capture of two sound sources, eliminating the need to switch mics during multi-person interviews. Direct USB-C connection provides digital audio output with minimal latency and removes dependency on analog adapters or audio interfaces. The compact design and lightweight construction ease transport and setup for mobile workflows, while the contrasting colour pair helps visually distinguish channels during multi-microphone use.

Suitable for

• Field interviews with one or two participants
• Mobile live streaming and vlogging using USB-C smartphones, tablets or laptops
• Podcasting and voice recording in portable setups
• On-location stereo or dual-source sound capture

Key specifications

• Connector: USB-C digital output for direct device connection
• Configuration: Two identical compact microphones supplied as a black and white pair
• Intended use: Stereo or dual-source capture for voice and environmental sound
• Form factor: Compact, lightweight body for portable recording
• Compatibility: Works with devices that accept USB-C audio input without separate audio interface

How to use

Connect each microphone to a compatible USB-C port or to a single device that supports two USB-C audio inputs via an appropriate hub or adapter when required. Position the microphones for the desired capture (close to each speaker for dual-source voice, or spaced for stereo ambience). Use the host device’s recording or streaming application to select the USB-C input and monitor levels. Because these microphones provide digital output, there is no need for analog gain staging, but checking input levels on the recording device helps prevent clipping.

Usage recommendations

For interviews, place each microphone near the respective speaker’s mouth at a consistent distance to ensure balanced levels. For stereo ambience, space the pair appropriately and verify channel assignment in your recording software. Use a USB-C hub that supports audio devices if your host device has a single USB-C port. Protect the microphones from moisture and impact during transport.