Ulanzi A21 Wireless Microphone(Black-Lightning) Ulanzi

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The Ulanzi A21 (A054) is a two-channel wireless microphone kit for recording two people on an iPhone or iPad with a Lightning connector. It includes two ultra-lightweight transmitters, a Lightning receiver, and a charging case, making it ready for interviews, vlogs, podcasts, and live streams.

Omnidirectional microphones capture natural-sounding voice at 32 kHz / 24-bit quality. AI noise reduction helps separate speech from ambient noise, and other modes offer original sound, a reverb effect, or quick muting. Each transmitter weighs only about 8 g.

Wireless recording for two people

The receiver works with two transmitters simultaneously and plugs directly into the Lightning port. The system pairs automatically without an app, offering a simple solution for interviews, joint presentations, and other formats with two speakers.

Range of up to 100 meters

Digital transmission in the 2.4 GHz band reaches up to 100 m in open space and operates with a latency of less than 40 ms. The pass-through charging port on the receiver allows you to charge your connected phone even while recording.

Ready for long shoots

Each transmitter offers up to 6 hours of operation. The 400 mAh charging case can fully recharge both transmitters twice and protects them during transport. The microphones can be attached using a clip, magnet, or lanyard; the included furry windshields come in handy when recording outdoors.

Key Features

• Two-channel set with two transmitters
• Lightning receiver for compatible iPhone and iPad
• 360° omnidirectional pickup
• 32 kHz / 24-bit recording
• AI noise reduction, reverb, and muting
• Range of up to 100 m in open space
• Transmitter battery life up to 6 hours
• Charging case for two additional full charges

• 1× Lightning receiver
• 2× Ulanzi A21 microphone transmitters
• 1× charging case
• 2× furry windshields
• 2× clips
• 2× magnets
• 2× lanyards
• 1× charging cable
• 1× user manual

• Brand: Ulanzi
• Model: A21
• Manufacturer code: A054
• Color: black
• Number of audio channels: 2
• Number of transmitters: 2
• Receiver connector: Lightning
• Compatibility: iPhone and iPad with Lightning connector
• Wireless frequency: 2.4–2.4835 GHz
• Maximum range: 100 m in open space
• Latency: <40 ms
• Directional pattern: omnidirectional
• Frequency range: 20 Hz–20 kHz
• Sampling rate: 32 kHz / 24 bits
• Maximum sound pressure level: 101 dB SPL
• Sensitivity: −38 dB
• Transmitter battery capacity: 75 mAh
• Transmitter battery life: up to 6 hours
• Charging time: approximately 1.5–2 hours
• Charging case capacity: 400 mAh
• Transmitter dimensions: 28 × 26 × 13 mm
• Transmitter weight: approximately 8 g
• Receiver dimensions: 40 × 25 × 11 mm
• Receiver weight: approximately 5 g
• Charging case dimensions: 93 × 38 × 32 mm
• Charging case weight: approximately 49 g