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Customer Support Where to Buy Warranty Policy Service Return Process ER4 Series Earphones Electronic Earplugs(GSP, HD, MP, EB Series) Out of Warranty Special Purchase Option Shipping Charges Mail/Fax Order Form 30-Day Return Policy 8:00 AM - 5:00 PM CST, Monday - Friday Phone: 847-228-0006 Toll-free...

ER 4 MicroPRO Series Earphones In-Warranty ER4 MicroPRO Series Earphones within the 2-year warranty period will be repaired at no charge under the terms of the warranty policy. Out-of-Warranty Cables and transducers cannot be replaced by the user. All ER4 earphones must be returned to Etymotic's S...

Terms of Purchase Privacy Policy | Terms of Use | Terms of Purchase | Copyright Information. Effective Date: April 12, 2013 The following terms and conditions of purchase apply to all orders from Etymotic Research, Inc. ("Etymotic"). If any of these terms and conditions are not acceptable, please co...