Symphonium Audio Helios In-Ear Headphones Cable Termination:4.4mm AMTS works by absorbing the

AMTS works by absorbing the high-frequency standing waves that form between the transducer and the listener’s ear in the space created by an ear pad

Closed versions of the headphones should be used when blocking noise or not disturbing others is a consideration

This innovative design methodology revolutionizes the audio landscape by eliminating unwanted resonance and distortion

m15 (-15dB) and m20 (-20dB)

Symphonium Audio Helios In-Ear Headphones Cable Termination:4.4mm AMTS works by absorbing theSymphonium 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