Wireless Lavalier Microphone Saramonic Blink500 ProX TX (SR4410) – transmitter unit

The Saramonic Blink500 ProX TX is a compact wireless lavalier microphone transmitter designed for portable audio capture. As the transmitter unit of the Blink500 ProX system, it provides a lightweight solution for sending microphone-level audio to compatible Blink500 ProX receivers over a reliable digital radio link. The unit is intended for use with lavalier microphones and integrates into mobile setups for interviews, vlogging, presentations and field recording where a small form factor and simple wireless operation are required.

Advantages

The transmitter offers low-latency digital transmission and a compact housing that is easy to clip to clothing or hide on set. Its design supports straightforward pairing with Blink500 ProX receivers and stable audio delivery in typical run-and-gun scenarios. The unit accepts a lavalier microphone input and converts that signal for wireless transport, enabling hands-free operation and greater mobility compared with wired microphones. Battery operation and a minimal control layout simplify setup and adjustments during use.

Suitable for

• On-camera interviews and documentary fieldwork
• Vlogging and mobile content creation
• Presentations, lectures and corporate communications
• Run-and-gun reporting and location recording

Key specifications

• Form factor: compact clip-on transmitter designed for lavalier microphone input
• Transmission: digital wireless audio link to Blink500 ProX receivers
• Audio input: microphone-level lavalier input compatible with Saramonic lavalier mics
• Controls: basic power and pairing controls for simple operation
• Power: internal rechargeable battery for portable use
• Mounting: clip or attach to clothing for hands-free recording

How to use

Attach a compatible lavalier microphone to the transmitter's mic input and clip the unit to the subject's clothing at an appropriate position. Power on the transmitter and the Blink500 ProX receiver, then follow the receiver's pairing procedure to establish a wireless link. Monitor audio at the receiver to set proper levels and confirm signal quality. Place the lavalier microphone to capture clear, unobstructed sound from the speaker and avoid covering the microphone capsule with fabric or objects that could muffle audio.

Usage recommendations

For reliable results, perform an audio check before recording, maintain line-of-sight where possible between transmitter and receiver, and keep the transmitter's battery charged. Use an appropriate lavalier microphone and position it consistently to achieve uniform sound across takes.