Lawo Bundle: R3LAY VRX 4 (Virtual Radio Mixer) + OnAir4 I/O node


By using various plugin apps from R3LAY partners, the R3LAY Virtual Mixer can perform broadcast tasks where a traditional console requires additional rackmount hardware. Of course, the R3LAY connects to standard Audio-Over-IP hardware that supports RAVENNA/ AES67.

This Lawo R3LAY ‘Radio-in-a-bag’ bundle includes the 8-fader Virtual Mixer Software, OnAIR 4 audio I/O interface and a special backpack that can comfortably carry this weight.

A Windows® 10 laptop (preferably with touchscreen) is required for proper operation.


– Virtual Radio Mixer can be used on a standard computer or laptop

– Lightweight and easy to carry

– OnAir4 stereo interface with microphone, line & digital I/O

– GPIO via open-source Ember control protocol

– AES67 / RAVENNA compliant

– 4-Fader & 8-Fader versions (this is the 4-Fader version)


– Mix-minus with Talkback

– On-Screen control of keyboard shortcuts and mixer screenshots control protocol

– Plugin software – Processing, Playout, Codec, Phones etc.




Lawo is a German manufacturer of professional audio and video equipment for the radio and television industry. The company offers a wide range of products, including audio mixers, routers, control panels and software-based systems.
Lawo is known for the high-quality performance, flexibility and reliability of its products and is used by many leading radio and TV stations around the world.


At Aircast, we strive to make your shopping experience as smooth and hassle-free as possible. Here you will find important information regarding the shipment of your order.


  • Standard Shipping: Suitable for less urgent orders.
  • Express shipping: For when you need your order quickly.
  • Special Shipping: Please contact our customer service department for custom solutions.

Check the shipping costs for your order during checkout to avoid surprises. We provide you with tracking information* so you can closely follow your order.

Do you have any questions or special requests regarding shipping? Our customer service team is ready to assist you.

*If available

Frequently asked questions:

Do you ship ordered equipment?

Yes, we ship equipment via shipping to various locations worldwide.

Is all equipment readily available?

Although we have some stock of many equipment, we recommend asking for the exact delivery time in advance to avoid disappointment.

Can I also pick up ordered products?

Yes, it is possible to pick up ordered products by appointment.

Do you also offer maintenance and repair services?

Yes, we offer maintenance and repair services for broadcast equipment and studio equipment. Our team of technicians can help you solve technical problems and perform regular maintenance to extend the life of your equipment.

Do you also offer used products or showroom models?

Yes, sometimes we offer beautiful used products or showroom models at very attractive prices. Keep an eye on our website and social media for these special offers.

Can I expect technical support after the purchase?

Absolutely! We offer comprehensive post-purchase technical support. Our team is ready to answer your questions, solve technical problems and guide you through the use of the equipment.

Do you deliver worldwide?

Yes, Aircast Media Solutions delivers worldwide.

What payment methods are accepted?

We offer several secure and convenient payment methods, including credit cards, debit cards and electronic payment systems such as Bancontact, Ideal, Credit and Debit Cards and Apple Pay.

What is the return policy of the Webshop?

At Aircast Media Solutions, we strive for the satisfaction of our customers. If you are not satisfied with your purchase, you can return the product within a certain period of time.
See our returns page for more information: [LINK->RETOUR]

Are there special discounts available for the self-employed or businesses?

We regularly offer special deals and discounts, including opportunities for the self-employed and businesses. Keep an eye on our website and newsletters for any discount offers.