FIR Audio Krypton 5 Custom In-Ear Monitor headphone 2.5mm pair it with the USB

pair it with the USB Audio Player PRO app

An additional headphone output allows high quality monitoring

and highly resistant to corrosion

The foundation of the HD 600 transducer system is an acoustically transparent open-back earcup that lets every single sound wave expand freely - a Sennheiser innovation pioneered and perfected for the most natural personal listening experience

capturing subtle details across all genres of music

FIR Audio Krypton 5 Custom In-Ear Monitor headphone 2.5mm pair it with the USBKrypton 5 The pinnacle of 5 driver portable sound. The Krypton 5 is a technical performer with outstanding quality and clarity. Handling each note, instrument and layer with delicacy and care. Snappy impactful bass forms the backbone to the Krypton 5s textured presentation. Making for a crystal clear, enjoyable audiophile IEM. The Krypton 5 features machined aluminum shells, sapphire crystal glass faceplates, is outfitted with 4 balanced armature