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I took the Saramonic Blink 500 ProX B2R with me to CES to get content for Geekazine. I recorded several videos with this dual-transmitter camera microphone. Here are my thoughts.

What is the Saramonic Blink 500 ProX B2R?

This is an over the camera wireless microphone system that uses 2.4 GHz wireless to capture the speakers voices. The transmitters and receiver are held in a case that also recharges the units.

The main feature of the B2R (from the B2 model) is the transmitters will record audio – up to 9 hours. With the flip of the toggle switch, you can record and send the audio to the receiver, which will add to the camera.

Specs of the Blink 500 ProX B2R

Like I said, it does run on the 2.4 GHz wireless system. The receiver can be set to mono, or stereo (transmitter 1 will record Left, 2 records right).

The wireless microphones will stay connected up to 100 meters. Keeping in line-of-sight is important. In crowded areas where a lot of wireless signal is being used, the Blink works best at close ranges.

The transmitters can use the Lavalier microphones (included), or the omnidirectional microphones integrated into the unit.

The unit send audio at 16-bit / 48 kHz digital audio. The microphones range from 20Hz to 20kHz.

Transmitter Recordings

When the recording option is turned on, each transmitter will record up to 9 hours. The audio records in 20 minute increments, and filenames also increment for the unit.

There is no sync option, so it’s best to mute a transmitter when it’s not in use. A red light on the units will indicate recording (Blue light means it’s paired with the receiver).

When ready to retrieve the recordings, simply plug via USB into the computer and download the files. An audio program will be needed to bring the two sets of recordings together.

The Carrying Case

This Saramonic carrying case also recharges the TX and RX units. With recharging, this unit has a 8500 mAh battery inside, and will run for over 11 hours before the whole unit must be recharged.

When seated, the transmitters will still record and send signal to the receiver (unless if you physically turn it off). Blue lights will indicate charging status.

Pros and Cons

Like I mentioned, I did take the unit to the Consumer Electronics Show (CES). Any trade show can really show the strengths and faults of a device, because of so many using similar units to get their videos and recordings.

In doing initial tests, including one at the hotel, I was able to walk around and get the audio to the camera from a good distance. In testing other 2.4GHz wireless units like the DJI Pocket, I knew most wireless mics work better at under 6 feet.

However, when I was only a foot away from the transmitter, I had connection issues. The audio from the video was thin,