Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable xlr-3 female you can swap between any

you can swap between any of our three pad options in just a few seconds

delivering up to 130dB with zero audible distortion

The HDJ-X10 headphones are equipped with our new 50-mm high definition driver

5 mm (1/8") headset connection

Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable xlr-3 female you can swap between anyOver 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