Etymotic ER4 XR In-Ear Earphone

2 sold in last 8 hours
$299.95 $249.95
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Introducing the Etymotic Extended-Response Earphones, designed to deliver optimal music clarity and an exceptional listening experience. With high-performance Balanced Armature drivers that are precision matched to within 1 dB, these earphones ensure accurate and uniform sound reproduction across a wide frequency range.

Key Features:

1. Precision Sound: The Etymotic Extended-Response Earphones are specially designed for uncompromising accuracy in the mid to high frequencies, with a bit of extra presence in the lower end. This ensures that you can enjoy detailed and balanced sound with clarity and precision.

2. Premium Build Quality: The earphones feature a sleek, anodized, laser-etched aluminum body that not only enhances durability but also adds a touch of elegance. The braided and reinforced detachable 5 ft. cables with custom MMCX connectors offer added flexibility and convenience.

3. Noise Isolation: With 35-42 dB of noise isolation, these earphones effectively reduce surrounding sounds, allowing you to immerse yourself in your music without distractions. This ensures better clarity and enhances your overall listening experience.

4. Wide Compatibility: The Etymotic Extended-Response Earphones feature a wired connectivity technology, making them compatible with a wide range of devices such as smartphones, tablets, laptops, and audio players.

5. Complete Package: The package includes the earphones, a carrying case, a tip pack for personalized fit and comfort, and a manual to guide you through the setup and usage.

Whether you're a music enthusiast, an audiophile, or a professional seeking accurate sound reproduction, the Etymotic Extended-Response Earphones are designed to deliver exceptional audio quality and an immersive listening experience. Enjoy optimal music clarity and precision with these premium earphones.

Buy Now and Auction items may be eligible for shipping. If an item is not available for shipping, it will be indicated in the item description. All shipments are sent ‘signature required’. Shipping options will be available for select purchases at normal shipping rates. Shipping availability will be indicated in the item description. A 7% handling fee is included on each shipment. 



We offer a return policy for ‘UNOPENED NEW’, ‘NEWITEMS ONLY. To be eligible for a return, your item must be in the same condition you received it, unworn or unused, with tags and in its original packaging. NO EXCEPTIONS.

Note that ‘open box’ or any condition listed other than ‘unopened new’ is NOT eligible for return. All other BUY NOW purchases are ‘AS IS’ and NOT covered by this return policy. Please purchase accordingly.

All return requests must be made within three (3) business days from the time of purchase. There will be a 15% restocking fee on all returns. Customer is responsible for any return fees including shipping, delivery and insurance associated with the return.

 All returns require a Return Authorization Number which can be obtained by requesting a Return Authorization Form at



Returns must be returned in the original unopened packaging. All parts MUST be present. All returns must be shipped back to with the provided Return Authorization Number. Customer is responsible for any return fees including shipping, delivery and insurance associated with the return. There will be a 15% restocking fee on all returns.  A refund will be issued upon approval of a return. Any fees will be subtracted from the refund. 

We will notify you once we have received and inspected your return. We will let you know if the refund was approved or not. If approved, you will be automatically refunded your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund.




Auction items are NOT eligible for return. All Auctions are AS IS, NO EXCEPTIONS. The condition will be provided for all items though, however is NOT responsible for any errors, omissions or typos with product listings. will do its best to provide complete information concerning all items available in its store(s), however mistakes do happen. Please purchase accordingly.



Defective and/or Damaged items are NOT eligible for return with the exception of ‘Unopened New’ and ‘New’ items, which are eligible for returns. See above. Please purchase accordingly.



We will make every effort to assure your order is complete upon packing in our warehouse.. If for some reason your order is incomplete, notify immediately. Notification via email must be made within 3 days of receipt of the order, NO EXCEPTIONS. We will notify you once we have received and inspected your order. A final status of your request will be provided within 48 hours. is committed to providing outstanding customer support.   



Due to the nature of our business, we offer many items in quantities of one, as such we do NOT offer exchanges for purchases. We do offer returns for ‘Unopened New’ and ‘New’ item. See above. Please purchase accordingly.



Our goal at is to provide quality products, at reasonable pricing through an easy to navigate platform. We want you to enjoy the experience and the great finds. If you are ever not happy with your order, please give us a chance to make it right by notifying us at

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