Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable (Open Box) add glow tips making these the official upgrade

making these the official upgrade option for your DIANA over-ear headphones

The ZEN DAC Signature V2 works well with both the ZEN CAN Signature 6XX and the new ZEN CAN Signature HFM model

The FD3/FD3 Pro benefits from the numerous advantages of FiiO's new dynamic driver

2 Watt: -110 dB

Q15: DAC and Headphone Amplifier

Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable (Open Box) add glow tips making these the official upgradeOver 30 years ago, Etymotic invented noise isolating, in ear earphones. Etymotics original design, developed for auditory research and hearing testing, used balancedarmature receivers and established these speakers as the true reference standard for high definition, in ear earphones. Paired with the new Etymotion Wireless Bluetooth cable these earphones are unstoppable and sound better than anything else on the market today. With built in