Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable xlr-3 female The HDJ-X10 headphones are equipped

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

Power Supply: Internal Lithium Ion rechargeable battery or DC 15V

The housing is built on a heavy-duty metal construction with shock-absorbing feet in order to isolate unwanted vibrations as much as possible and reduce ambient noise

other 5V power supplies used will benefit from additional noise filtration

delivering up to 130dB with zero audible distortion

Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable xlr-3 female The HDJ-X10 headphones are equippedOver 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