High fidelity earphone - Binaural
MODEL- ER-4B VENDOR- ETYMOTIC RESEARCH

FEATURES- ER 4B (Binaural) microPro Noise Isolating Earphones
ER-4B (Binaural) earphones are for the binaural recording
enthusiast. The ER-4B is an ideal earphone for use with material
that has not been equalized for loudspeaker playback. It was
developed from the ER-1 earphone that is referenced to a flat
diffuse field and used primarily for speech reception research,
where the goal is to produce the same frequency response at the
eardrum as would be produced in the live situation.
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 and Storage box.
* Response Accuracy
ER-4 MicroPro Earphones are designed to match the acoustic response of
the open ear. Music is naturally bright, but not harsh. The lack of
coloration results in smooth treble, full bass, clear and natural piano,
percussion and orchestral music.
* Noise Reduction
ER-4 MicroPro Earphones provide the highest isolation of any earphone:
35