Ulanzi A21 2-Person Wireless Microphone System 2.4 GHz, Lightning

The Ulanzi A21 2-Person Wireless Microphone System is a compact, all-in-one solution for creators who need reliable, high-quality audio for video production, livestreaming, interviews, and more. Designed for flexibility and ease of use, this dual-mic system combines intelligent audio processing with a lightweight form factor, making it ideal for on-the-go recording without sacrificing clarity or control. The receiver in this version of the system features a Lightning connector for use with compatible mobile devices.

Intelligent Audio Processing for Clear Results

The A21 features advanced AI noise reduction that minimizes ambient sound while preserving the natural tone of your voice, ensuring clean, intelligible recordings, even in challenging environments. A wide 20 Hz to 20 kHz frequency response and 32 kHz / 24-bit sampling deliver detailed, professional-quality audio across a full spectrum. For added creative control, a one-tap echo effect introduces a rich, 3D-like reverb, with selectable modes including Noise Reduction, Original, Reverb, and Mute.

360° Pickup for Natural Sound

With highly sensitive 360° sound collection, the A21 captures audio from all directions, producing a realistic and immersive sound field. Whether you’re recording dialog, ambient sound, or live content, the system ensures consistent, full-bodied audio. Included furry windscreens help reduce wind interference, making it suitable for outdoor use.

Built for Mobile Creators

Each ultracompact transmitter weighs just 0.28 oz and features a discreet, button-sized design for easy placement. Lanyards, clips, and magnets are included for a variety of placement options. The system includes two transmitters and a dual-channel receiver, allowing seamless two-person recording. A convenient drawer-style charging case keeps everything organized and ready to go, while quick pop-up access makes setup fast and stress-free.

Extended Battery Life and Continuous Recording

Designed to keep up with long sessions, each microphone provides up to 6 hours of operation, while the included charging case offers two additional full recharges for a total runtime of approximately 36 hours. The receiver features an extended charging port, allowing you to record and charge your device simultaneously without interruption.

Stable Long-Range Wireless Performance

Operating on a 2.4 GHz wireless connection, the A21 delivers stable, interference-resistant audio transmission at distances up to approximately 328 feet. This extended range makes it well suited for larger spaces, outdoor shoots, and dynamic recording environments.