Insignia™ - 20' Headphone Extension Cable and Adapter Kit - Black

Only @ Best Buy
Only @ Best Buy
Enjoy a flexible range of motion while you listen to music with help from this Insignia™ NS-HZ306 kit that includes a 20' 3.5mm extension cable and 1/4"-to-3.5mm and 1/8"-to-3.5mm adapters, so you can extend the length of most stereo headphones.
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

Cardmember Offers


What's Included

  • 1/4"-to-3.5mm adapter, 1/8"-to-3.5mm adapter
  • 20' 3.5mm extension cable

Ratings & Reviews

Overall Customer Rating:
90% of customers would recommend this product to a friend (529 out of 593)

Product Features

Compatible with most stereo headphones

For wide-ranging use.

20' 3.5mm extension cable

Makes it easy to increase the length of your headphones.

1/4"-to-3.5mm and 1/8"-to-3.5mm adapters

Allow flexible connectivity.

Overall Customer Rating

4.3 (594 Reviews)

Product Features Mentioned In Customer Reviews

Product images, including color, may differ from actual product appearance.