Etymotic ER-4P Portable Earphones
Product Details
The ER-4P MicroPro iPod earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. The ER-4 require NO batteries and can be plugged into any audio source. Their external noise exclusion -- 35 dB with 3-flange eartips, 42 dB with foam eartips -- allows you to hear the full dynamic range of recordings without having to play them at unnaturally high and unsafe levels.System Includes:
ER•4 MicroPro earphones
5 ft. cord with 3.5 mm stereo phone plug
1/4" stereo phone adapter plug
Six 3-flange eartips
10 foam eartips
Filter changing tool
4 replacement filters
Shirt clip
Pouch
Storage box