ER4 Upgrade Options

Available July 1, 2016

Etymotic has a special ER4 upgrade option for customers that currently own Etymotic's original ER4 microPro Series Earphones (ER4B, ER4PT, ER4S).

  • All purchases are new stock. No products have been opened, pre-owned or reconditioned.
  • This program is limited only to the ER•4 microPro Earphones (ER4B, ER4PT or ER4S). No exceptions.
  • Once we receive your ER4 earphones, we will send you an email with a discount code to use at checkout on Add an ER4SR or ER4XR to your shopping cart and then apply the code to the cart to have the discount applied to your purchase.
  • The discount code is valid for 30 days from the date of issuance.
  • To upgrade your existing ER4B, ER4S or ER4PT complete the ER4 Upgrade Option Return Form.

Upgrade Option 1

  • If you purchased an ER4B, ER4PT or ER4S from an authorized Etymotic reseller within the 2-year warranty period, you can purchase the NEW ER•4SR or ER4XR earphones for $225, plus shipping charges.*
  • Original ER4 product must be returned.
  • Proof of purchase is required.
  • Valid for in-warranty product only. If it’s determined that your original ER4 earphone is not covered under warranty, you can purchase a new ER4SR or ER4XR earphone as outlined in Option 2.

Upgrade Option 2

  • If you own an ER4B, ER4PT or ER4S, you can purchase the NEW ER4XR or ER4SR earphones for $275, plus shipping charges.*
  • Original ER4 product must be returned.
  • Proof of purchase not required.
  • Customer-damaged or modified products that are not covered under Etymotic's warranty policy are eligible for this upgrade option.

ER4 Upgrade Option Return Form

*Shipping charges

Shipping charges and tax apply (where applicable).

Shipping is calculated by UPS based on shipping from Etymotic Research (Zip Code 60007) to the delivery address on the order. All available shipping options for your order are presented in the cart. Actual delivery times are at the discretion of UPS. Tracking information from UPS will be emailed to the email address listed on the order when the order is shipped. You are responsible for Customs Fees which are not included in the shipping charges. Etymotic Research does not have control over these charges and cannot estimate what they may be.