Etymotic Research ETY-COM ER-22 User Manual

PROPER CARE• Do not expose earphones to extreme temperatures.• Avoid dropping or strong impact. Extreme shock can damage the earphones.• Always leave

NOISE ISOLATION10504540353025Average Attenuation in dB20151050dBNRR = 32 dBNRR = 22 dBER•6 IsolatorEarphones$139.00Earbud$49.99Active-Noise-CancelingB

ABOUT ETYMOTIC RESEARCH11RESPONSE ACCURACYHow We Measure Response AccuracyEarphone response was measured on a KEMAR®manikin which has the same acousti

ABOUT ETYMOTIC RESEARCH12SPECIFICATIONSFrequency response: 20 Hz to 16 kHz ±4 dBAcoustic polarity: +electrical = +acousticTransducer type: Balanced ar

CAUTIONConsult a physician or audiologist if you have excessive ear wax,difficultyinserting the eartips,or discomfort after prolonged use.ER-4 MicroP

TABLE OF CONTENTSAbout Etymotic Research, Inc. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2Warranty . . . . . . . . . . .

ABOUT ETYMOTIC RESEARCH, INC.Etymotic Research,Inc.(ER) is a research,development and manufacturingcompany that designs products to measure,improve an

ABOUT ETYMOTIC RESEARCH3ABOUT ER-4 EARPHONESNoise reduction with ER-4 MicroPro earphones occurs naturally from theinserts. Other earphones with active

ABOUT ETYMOTIC RESEARCH4DESCRIPTIONSER-4P (Portable) earphones have enhanced bass and higher sensitivity.ER-4Ps can be used with portable CD, MP3,DVD

ABOUT ETYMOTIC RESEARCH5SYSTEM INCLUDES• ER•4 MicroPro earphones• 5 ft. cord with 3.5 mm stereo phone plug• 1⁄4" stereo phone adapter plug• 6 whi

EARTIPSIn addition to six white 3-flanged eartips,ER-4 MicroPro Earphones are supplied with ten disposable foam eartips.Both types provide excellentso

INSERTIONBlue earphone = left ear Red earphone = right earTry the white 3-flange and foam eartips to determine the best fit for comfort and isolation.

CHANGING FILTERSER-4 MicroPro Earphones have special filters that shape the frequencyresponse and prevent earwax from entering the earphones. These fi