Symphonium Audio Helios In-Ear Headphones - Open Box Cable Termination:3.5mm made in the UK and

made in the UK and built to last

Inputs: 1 x USB

You decide

These four drivers are fitted inside beautiful & lightweight aluminum alloy ear cavities with designer stainless steel face panels

Symphonium Audio Helios In-Ear Headphones - Open Box Cable Termination:3.5mm made in the UK andSymphonium Helios Review: Uncompromised Engineering Written review by FC Construct Check out Precogvision's video review of the Symphonium Audio Helios In Ear Monitor Headphones below. Introducing the Symphonium Audio Helios, a Headphones. com North American exclusive in ear monitor headphone priced at $1099. The Helios is a true competitor in sound quality alone in the $1k price bracket and delivers bass unlike any other balanced armature IEM before