Check the listing for details. Azden AVS-20 AV Selector With Dubbing Capability & Variable Microphone Input Mix. Condition: Used. Listed at 28.99 USD. Introducing the Azden AVS-20 AV Selector, a versatile audio equipment perfect for video production and editing. This device comes with a range of features, including dubbing capability and a variable microphone input mix. It is designed to provide high-quality audio output for your videos, ensuring that you get the best possible listening experience. The Azden AVS-20 is a reliable and durable audio equipment that is perfect for both professional and amateur videographers. It is easy to use and comes with a range of customizable settings that allow you to tailor your audio experience to your specific needs. Whether you are producing a video for personal use or for professional distribution, this audio equipment is sure to impress.