Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable final sale opaque black wireless signal window

opaque black wireless signal window

4mm Pentaconn to XLR balanced interconnect cable

The result of our effort is a durable

1 HPAQA1 6

Standard 3

Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable final sale opaque black wireless signal windowOver 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