Instead of aiming for a strictly neutral tonal balance, Sendy Audio opted to give the Apollo a more colored presentation with a tasteful v-shaped tilt all while maintaining a good amount of PRaT.

The Sendy Audio Apollo is a very good headphone in terms of build, comfort and accessories, with a delicate and premium design. It has excellent build quality as well.

The Apollo deliver a warmer sounding presentation; it is also not a very aggressive sounding headphone that thrusts everything forward which can be tiring for some listeners. That tonal balance and presentation also makes it easier to pair with a wider range of amplifiers and source components.

Sendy Audio Apollo is an excellent purchase, for both those who love to relax, and those who want to hear beautiful music, it has extremely good performance for the price, and a fully recommended purchase for those who enjoy a mid centric sound with a smooth and relaxed nature.

Terrific looks, flawless construction, and sublime comfort make the Apollo a winner. These aren’t cans content with being indistinguishable from other mid-range planar headphones, either physically or...

The low end speed and warmth coupled with emphasized center mids gave drums a tight and dry quality, and while this balance didn’t leave vocals sounding natural, they were nonetheless darkly pleasant.

Apollo has an unconventional sound signature with fuller lower-midrange and recessed upper-midrange, which makes it fall in the fuller and warmer side of neutral but with some treble emphasis that...

The Apollo open-backed planer headphones from Sendy Audio offer a first-class build and visual appeal at an economy price. Their lively, detailed sound coupled with comfortable ear pads provide pleasure over extended listening sessions.