For promotions who don't have their own recording capability, I am able to provide everything needed to make a broadcast-quality commentary recording which I can then send as an audio file to be integrated seamlessly with your video footage before you release your event. This capability also means I can record commentary in post-production for those who do not wish to have it provided live at the event. Here is an overview of my equipment:

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Recorder

I use a Zoom H6 portable recorder (for full specs see here) with four XLR/TRS mic inputs, allowing up to four headsets to be plugged in and recorded simultaneously, each with their own separate high definition audio track.

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Pro Headsets

I have two pairs of Audio-Technica BPHS1 Broadcast Series Broadcast Stereo Headsets (for full specs see here), allowing me and a co-commentator to produce crisp audio with minimal background noise.

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Studio

I have access to a professional recording studio in west London where I can produce commentary or other voiceover work in a soundproof vocal booth, normally at short notice if required.