This listing is for a pair of used ReSound Key 4 Hearing Aids. The Key hearing aids are the budget model made by ReSound, but the 4 is the best technology level available in that model. These hearing aids are rechargeable, Bluetooth compatible, comfortable, and easy to use!

These hearing aids are like-new and were just sent into the manufacturer for refurbishing. They have warranties until October 2025.

If you have any questions, please contact us!

This listing includes:

  • Pair of used ReSound Key 4 Hearing Aids
  • New 2HP receivers
  • Desktop Charger and charging cable
  • Original user manuals
  • Hard carrying case
  • Soft carrying case

**Please note that although these hearing aids are programmed for a mild to moderate hearing loss we always recommend having them programmed to your hearing loss by a hearing healthcare professional.

hearing & hearables

Used ReSound Key 4 Hearing Aids

In Stock
SKU: 5074

Only 1 left in stock

Used hearing aids can be sold to you to help you with what you need. We recommend that you see a licensed hearing care professional before you begin to wear this hearing aid. This used hearing aid was programmed as if you had a mild hearing loss. The product description was clear about the warranties and the no-return policy. Please check this box once you have read this disclosure.

Got questions?
Feel free to get in touch.
Product Details

More info on these Used ReSound Key 4 Hearing Aids:

  • Natural Sound Experience
    • Built on ReSound’s Organic Hearing philosophy to emulate natural hearing.
    • Inspired by how we naturally hear and interact with our surroundings.
  • Clear Sound Quality
    • ReSound Key provides clear sound for easy conversation.
    • Enhances confidence in communication.
  • Rechargeable Convenience
    • Includes an easy-to-use Desktop Charger.
    • Optional upgrade to the Premium Charger for portable charging.
  • Personalized Adjustments
    • ReSound Smart 3D™ app available for iPhone, iPad, iPod, and Android devices.
    • Convenient on-the-go adjustments.
  • Bluetooth Connectivity
    • Uses Bluetooth® Low Energy for seamless connectivity.
    • Streams calls, music, TV audio, podcasts, and audiobooks directly to hearing aids.
  • Wireless Accessories
    • Range of accessories for extra hearing support in challenging situations.
    • Enhances experiences like watching TV, dining in crowded places, and talking on busy streets.

Additional information

Weight 12 oz
App to Use

App Availble




Power Supply


Receiver Behind the Ear

receiver in the ear


Audio Streaming

Style of Hearing Aid


If you are a member you can sell your gently used hearing aids and hearing aid accessories with us. Reach out and let us know what it is you’d like to sell and we will get it posted on our website! If you are not a member but would like to sell, become a member here. *Note*: All consignment products are NON-REFUNDABLE. Because these are used products being sold on behalf of a contract they are not able to be returned and are sold AS IS. If you are not satisfied with your purchase, you can contact us and we can resell the product you purchased under our consignment guidelines

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