Sennheiser HD 550 Open-Back Over-Ear Headphones (Open Box) 3.5mm male Dual master cores

Dual master cores

for a bold sound

Building on the resounding success of the ZEN Blue range

A6t Custom In-Ear Monitors

This is because its sophisticated DAC (Digital-to-Analogue Converter) and headphone amp circuitry are superior to the audio tech contained within smart devices and computers

Sennheiser HD 550 Open-Back Over-Ear Headphones (Open Box) 3.5mm male Dual master coresSennheiser HD 550 Open Back Headphones Your media is keeping secrets. No, not an encoded bitcoin key or Banksy's real name sonic secrets: the faint inhale of a singer, a fretboard squeak, whispered background vocals buried deep in the mix, faraway footsteps in an online game. The HD 550 headphones are your cheat code to hear them all in brilliant detail and lifelike presence. And you don't need a roomful of expensive equipment to access the