KRK KNS8400 - Manual (Page 10)

10
* For improvement purposes, specifications and design are subject to change without notice.
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
[KNS-6400] 95dB SPL @1mW
[KNS-8400] 97 dB SPL @1mW
Frequency Response
[KNS-6400] 10Hz-22 kHz
[KNS-8400] 5Hz-23 kHz
Total Harmonic Distortion
< 0.1%
Rated Impedance
36 ohms
Ambient Noise Isolation
[KNS-6400] up to 26 dBA
[KNS-8400] 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 cellular foam [KNS-6400]
Acoustic memory foam [KNS-8400]
Headpad Finish
Leatherette [KNS-6400]
Premium leatherette [KNS-8400]
Headphone Finish
Black impact resistant plastic
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
[KNS-6400] 202 g (0.44lbs)
[KNS-8400] 232 g (0.51 lbs)
Net / Shipping Weight
[KNS-6400] 820 g (1.8 lbs)
[KNS-8400] 850 g (1.87 lbs)
Dimensions
245mm x 268mm x 94mm
9.6” x 10.5” x 3.7”