Wireless USB Microphone Ulanzi A100 — USB/USB-C and 3.5mm TRS Connectivity

The Ulanzi A100 is a compact wireless USB microphone engineered for creators who need flexible connection options. It provides digital connectivity over USB and USB‑C (Type‑C) as well as an analog 3.5 mm TRS output for devices with a mini‑jack. The microphone is suitable for vlogging, interviews, online meetings and general content creation where clear vocal capture and simple plug‑and‑play setup are required.

Advantages

The microphone combines USB/USB‑C digital interfaces and a 3.5 mm TRS analog output, enabling use with a wide range of cameras, computers and mobile devices. Its compact form factor makes it portable and easy to position during recording sessions. Designed for direct connectivity, the A100 reduces the need for external adapters and simplifies setup for live streaming and on‑the‑go recording. The wireless capability eliminates cable clutter while retaining reliable signal transmission suited to close‑range vocal capture.

Suitable for

• Vlogging and social media video recording
• One‑on‑one interviews and field reporting
• Online meetings, webinars and remote consultations
• Podcasting and voiceover work in non‑studio environments
• Content creation with cameras or devices that accept USB/USB‑C or 3.5 mm TRS input

Key specifications

• Connection types: USB (digital), USB‑C (Type‑C, digital), 3.5 mm TRS (analog)
• Form factor: compact wireless microphone designed for portable use
• Compatibility: works with devices that accept USB/USB‑C audio input and devices with 3.5 mm TRS microphone input
• Use case: voice and speech capture for streaming, recording and conferencing

How to use

Connect the Ulanzi A100 to your device using the appropriate interface: plug into a USB or USB‑C port for digital audio or insert the 3.5 mm TRS plug into a compatible microphone input for analog recording. Power on the transmitter and receiver (if applicable) and allow any automatic pairing procedure to complete before recording. Select the A100 as the audio input source in your recording, streaming or conferencing software. Position the microphone close to the speaker for optimal voice clarity and monitor levels to avoid clipping.

Usage recommendations

For best results, use the USB/USB‑C connection when available to benefit from a direct digital audio path; use the 3.5 mm TRS output for compatibility with cameras or recorders that require analog input. Keep the microphone within close range of the subject and avoid strong wind or sudden background noise. Check device input settings and gain levels before critical recordings.