1.   Try searching by:
    1. Category (Best $100 Headphones, Best 50 Inch TVs, …)
    2. Brand (Sony, Samsung, LG, Bose, …)
    3. Model (S405, QC 35 II, …)
    4. Etc...
Get insider access
Get insider access
Preferred store
Notice: Your browser is not supported or outdated so some features of the site might not be available.
3,722
Products bought and tested
Supported by you via insider access, and when you purchase through links on our site, we may earn an affiliate commission.
Driven by data, run by a passionate team of engineers, testers, technical writers, developers, and more.
We are hiring!
  1. Home
  2. Forums
  3. Products
  4. Headphones
  5. Discussions
JBL Quantum 400 picture
JBL Quantum 400 Headphones Review
overview test results deals   0 comments
  1. Product
 • Posted 2 years ago

JBL Quantum 400: Main Discussion

All updates to this product will be posted below. Click 'Follow Product Status' to receive notifications when there are updates for this product.

Follow Discussion Follow Product Status
0 followingCopy link
0 
  • Product Purchased
    May 31
  • In The Lab
    Jun 12
  • Testing
    Jun 15
  • Writing Review
    Jul 20
  • Editing
    Jul 23
  • Final Review
    Jul 23
    Full Review
Posted 1 year ago

Our full review is now available.

No comments yet, refresh to see new ones
PreviewBack to editorFormat guide
We make money directly from you via insider access (which gives you access to extra features) and when you buy a product after clicking a link to a retailer. Learn more about how we work.
We buy our own products, just like you, mostly from the United States. When a product is discontinued or no longer popular, we sell the review units locally. You can see what products we currently have for sale here.
© 2025 9298-5266 Quebec Inc. All Rights Reserved. Visit our corporate site.