Cayin YB04 is a first IEM by Cayin. It is priced at 499$ and has a lot to prove. Spoiler Alert : It does.
FA9 is an all balanced armature driver flagship from Fiio. It's priced at 499 USD, and it promises to deliver top tier sound quality with 4 different sound signatures.
Meze Empyrean is a top of the line product by Romanian Meze. It is a true staple of current headphone audio market coming at whooping 2999 USD.
Topping audio is known for it's ridiculously low priced devices, and here's one of them : DX3 Pro, multifunctional DAC/AMP coming at 219,99$.
Hifiman Sundara is a 499$ planar magnetic headphone considered as one of the best price to performance ratio in the headphone market.