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KRK KNS8400 Closed-Back Reference Headphones  From KRK

Closed-Back Circumaural Reference Headphones

KRK Systems


Retail:  $179.00

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Manufacturer's Description from KRK

Looking for a pair of headphones that are specifically designed to replicate music as it should be heard with the ability to satisfy experienced ears Get your head around this: KRK has always been focused solely on accurate monitoring. The KNS 8400 -- with their ability to reveal exactly what you have on the tracks is an ideal choice for critical listening. Being able to discern the most subtle differences in pitch, timbre and tone helps you to get it right every mix, every take, every performance. Isolating memory foam in the ear cushions delivers improved low end response and because they gently conform to your unique head shape you'll be comfortable wearing them all day.


Accurate, natural and wide frequency response
Class leading KRK sound clarity, very low-distortion
Precise Imaging and extended LF response
High isolation for both noise rejection and leakage


Detachable and replaceable locking cable
Rotating ear cups for travel and storage
Durable, impact resistant materials throughout
Replaceable ear and head cushions


Lightweight construction for use over long sessions
Adjustable low-pressure headband system
Ear and head cushions utilize advanced memory foam
Self-aligning yoke system ensures the best possible fit


Newly developed headphone acoustical system bringing a new level of headphone performance for the first time.

Voiced to remain true to the character of KRK's class leading studio monitors, developed with 25 years of years of experience in studio sound.

The latest reference quality frequency response for closed-back, circum-aural dynamic headphones.

Utilizing the latest in acoustic foam technology ensures class leading performance in both reproduction and isolation.

A new standard in headphone comfort, even over extended periods of use, designed to avoid feeling uncomfortable during long sessions. The special foam conforms to the ear to help ensure an improved fit.

Exceedingly accurate, natural and wide frequency response.

Large dynamic range with extremely consistent low-distortion detail and clarity.

Extended low frequency definition, ensures the bass component of your music is accurately reproduced, and is not lost.

Transparent reproduction of high-frequencies, resulting in highly accurate imaging.

High-efficiency Neodymium 40mm driver.

High durability 2.5m single-sided straight cable with oxygen-free copper wires.

Adjustable, foldable driver enclosures provide comfort and portability.

Replaceable cable, head, and ear cushions to ensure long product life.

Soft carrying case embossed with the KRK logo for travelling engineers, or storage when not in use.

1/4" jack plug can be unscrewed to reveal a 1/8" plug for laptops and portable media players.


KRK Systems


Configuration: Closed back, circumaural

System type:Monitor Headphones

Cable: 2.5 m, (8.2 ft.), 99.99% OFC detachable

Ear Cushion type:Acoustic memory foam [KNS-8400]

Headpad Finish:Premium leatherette [KNS-8400]

Nominal Headband Pressure:4 N (based on average head size)

Ambient Noise Isolation: up to 30 dBA [KNS-8400]

Tranducer: 40mm, neodymium

Power Handling Full Range:1000mW

Nominal Impedance: 36 ohms

Frequency Response:5Hz to 23 kHz

Sensitivity (1mW):97 dB SPL

Calculated Max SPL:124 dB SPL

Connector:Gold-plated stereo 1/8" (3.5 mm)

Volume Control:in cord, detachable

Finish:Black impact resistant plastic

Dimensions:3.7" (94mm) x 10.5" (267mm) x 9.6" (244mm)

Weight:0.5 Lbs. (0.23Kg)

*Ratings based on continuous power specifications