KRK KNS 8400 Studio Monitoring Headphones - Closed-Back


91 out of 100. Incorporating 900+ ratings and reviews.

Street Price: 

KRK KNS 8400 Studio Monitoring Headphones - Closed-Back

Gearank Recommendation

The KNS 8400 appeared on our recommended list for Closed Back Headphones Under $200 from September 2017 until February 2020 when it was removed due to being out-ranked by the Audio-Technica ATH-M50x, Beyerdynamic DT 770 Pro (80 Ohm) and Beyerdynamic DT 150.

Rating Source Highlights

Website Source *Rating Value
Sound On Sound Sam Inglis 85/100
Audiofanzine etien96ne 100/100
Gearspace MmBuddha 80/100
*Displayed values are prior to the Gearank Algorithm's adjustments it makes when evaluating the source.


KRK are known to make high quality studio monitors.

The KNS 8400 reference monitor headphones are designed with an accurate, natural and wide frequency response that gives a similar experience when recording and mixing using speakers.

Their cushions have built-in memory foam that adds to the comfort factor when wearing headphones over long sessions of listening.

They have a very flat response with neither harsh highs nor booming bass, making them great for listening and adjusting details in your mixes.


  • Driver Size: 40mm
  • Magnet Type: Neodymium
  • Frequency Response: 5 Hz to 23 kHz
  • Impedance: 36 Ohms
  • Sensitivity: 97 dB
  • Max Input Power: 1000mW
  • Weight: 0.5 lbs. (23 kg)
  • Connectivity: Gold-plated stereo 1/8" (3.5 mm)
These are good monitor headphones worth the price, but when it comes to headphones for tracking their are more highly rated options available which you'll find in our guide to The Best Headphones for Recording / Tracking - Closed Back.