Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable final sale Critically acclaimed sonic performance praised

Critically acclaimed sonic performance praised by top audio engineers and pro audio reviewers

but rather sound aimed at greater universality

Your earphones stay in place providing unmatched

The result of our effort is a durable

5mm headphone output) 320mW(16Ω)

Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable final sale Critically acclaimed sonic performance praisedOver 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