TechPowerUp checked out the iBasso SR3 Open-Back Dynamic Driver Headphones
A quote from the article:
iBasso aims to use bio-cellulose dynamic drivers to their full potential with its new SR3 open-back headphones. These provide some of the most dynamic and punchy sound I've heard, which can be customized further based on the ear pads chosen. The SR3 also gets a good industrial design prioritizing comfort and build quality, making it well worthy of consideration.iBasso SR3 Open-Back Dynamic Driver Headphones Review