Sennheiser AVX – Camera-Mountable Audio Transmitters

We had a chat with Achim Gleissner from Sennheiser about their latest product introduced at NAB earlier this year, the Sennheiser AVX system.

We are excited about this product as it allows videographers to have a small transmitter with an XLR plug that goes straight into your camera. No more bulky transmitters to have dangling on your camera. There are no buttons, no menu settings – it is a fully self contained “plug&play” system. Once the transmitter and receiver are paired, the videographer can concentrate on his job without having to worry about squelch or sensitivity or even frequency settings – it finds a free frequency for you. This is not targeted at professional audio people, it’s for shooter/operators who have to record their own audio – there are definitely more options on traditional wireless (analog) systems like the Sennheiser G3 (which we use on many videos), however they are not as easy to use and they are larger.


The Sennheiser AVX system operates on 1.9GHZ instead of 2.4GHZ. This has the advantage that it is license free and not as congested as 2.4GHz. It will always automatically find a free frequency.

There are two different sets to purchase. The hand-held transmitter or the body-pack transmitter with a receiver. Each set is priced at $899.

— We sincerely apologize for the audio noise in this video. Frequencies are highly congested here. More of a reason to go ahead with this product :) —

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Matthew Carmody Reply
Matthew Carmody September 12, 2015

This looks perfect for the latest video-orientated mirrorless cameras like the a7s and its big brother the a7sII.

Michael Middleton Reply
Michael Middleton September 13, 2015


Mika Puska September 13, 2015

Does any manufacturer have dual channel receiver for video use?

Andrew Jones September 13, 2015

If you mean two transmitters to one receiver, then yes. AZDEN have such a unit that is reasonably priced. I haven’t used it, however reviews on the internet suggest it to be a bit noisy (hiss).

Andrew Jones September 13, 2015

The AVX system looks to be a very nice solution. However, what I am unclear about is whether this is a country specific system or whether it is similar to the RodeLink and can be used in almost any region in the world.

In reality, what do most people do anyway? Do you take your wireless systems to different regions and hope for the best or arrange other solutions be it wired, locally sourced kits or like some Japanese TV news channels in some situations use the consumer bluetooth wireless systems?

(I am located in Japan but am originally from Wales – so Wales would be the likely location outside of Japan.)

Andrew Jones September 15, 2015

I found out the answer to my question. Regretfully, but not surprisingly, the AVX is country specific.

Robert Zaputowicz November 5, 2015

I`ve used this for a week and it has a delay about a half of a frame comparing it to the SKP-500 G3. And i`m sending it back to the producer.
It looks fine but has a litle problem with this small delay.
I`m not satisfied with that system :-(.