Why Shop With Us?
Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
Orders placed before 3 p.m. ET usually ship the same business day.Learn More
2-Year Free Warranty on Guitars
Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.Contact Us for Details
We're Here for You
Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.Contact Us
MON - FRI 5 AM - 8 PM PT
SAT - SUN 6 AM - 7 PM PT
Open-Box KRK KNS-8400 Studio Headphonestrue false
We're sorry-this item is unavailable.
Contact our experts for a recommendation of great alternatives. Call us at 800-449-9128.
Incredibly natural frequency response.
KRK headphones provide a precise listening experience that takes you from personal studio to commercial studio to on-the-go track evaluations - and they allow you to accurately enjoy your music with the consistent voicing philosophy and honest reproduction top producers, studio musicians, performers and engineers have come to trust.
The KNS 8400 offer an incredibly natural frequency response that gives you a reference standard unaffected by your location. Day or night. Studio or home. Without disturbing others. Without compromising your tracks.
- 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.
- Newly developed headphone acoustical system bringing a new level of headphone performance for the first time.
- Utilizing the latest in acoustic memory 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.
KNS-8400 Studio Headphones Specifications:
- System / Design: Dynamic
- Operating System: Closed-back
- Head Coupling: Circumaural (Isolating)
- Voice Coil: Copper-clad aluminum wire
- Driver Type: Low weight neodymium
- Driver Diameter: 40mm
- Sensitivity/Efficiency: 97 dB SPL @1mW
- Frequency Response: 5Hz-23 kHz
- Total Harmonic Distortion: < 0.1%
Rated Impedance: 36 ohms
- Ambient Noise Isolation: up to 30 dBA
- Long Term Maximum Power Handling 1000mW: (500mW per side as per IEC 60268-7)
- Earcup Rotation: 90 degrees
- Nominal Headband Pressure: 4 N (based on average head size)
- Headband Type: Adjustable / Sprung steel skeleton
- Ear Cushion type: Acoustic memory foam
- Headpad Finish: Premium leatherette
- Headphone Finish: Black impact resistant plastic
- Volume Control: Detachable / Replaceable low profile inline high quality control
- Cable: 2.5 m, (8.2 ft.), 99,99% OFC detachable
- Connector: Gold-plated stereo 1/8" (3.5 mm)
- Cable Connection: Strain relief managed
- Adaptor: Screw-on 1/4" (6.3 mm)
- Weight without Cable: 232 g (0.51 lbs)
- Net / Shipping Weight
- 850 g (1.87 lbs)
- Dimensions: 245mm x 268mm x 94mm
- 9.6" x 10.5" x 3.7"
- Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
- Orders placed before 3 p.m. ET usually ship the same business day.
Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.
Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.