KRK KNS8400, KNS6400 User Manual

KNS SERIES

PROFESSIONAL HEADPHONES

KNS6400
KNS8400

USER MANUAL

CONTENTS

Your carton should contain the following items:

User manual (this document)
KNS-6400 or KNS-8400 headphones

Connection cable, with screw-in adaptor (tted)

Protective soft bag
Anti-Microbial/Bacterial cleaning cloth

KNS-8400 type contains an additional in-line volume control

REGULATORY CERTIFICATION

KRK declare under our sole responsibility that this product, to which this declaration
relates, is in conformity with the following standards:

The Declaration of Conformity can be obtained from:
382 Ave. de la Couronne, B-1050 Brussles

Authorized European representative:
Phone: [phone]
Fax: [phone]

WARNING: This product contains a chemical known to the State of California to cause
cancer and birth defects or other reproductive harm.

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SAFETY

The possible results of incorrect use are marked by one of the two symbols “WARNING” and
“CAUTION”, depending on the imminence of the danger and the severity of the damage.

WARNING: Ignoring these warnings may cause severe injury or death as a result of incorrect
operation.

CAUTION: Ignoring these cautions may cause moderate injury or damage as a result of
incorrect operation.

NOTE: This advice ensures you continue to get the best long term performance from your
headphones.

WARNING: If water or other foreign objects enter the inside of the device, re or electric

shock may result.

WARNING: Do not attempt to disassemble or modify this product. Doing so could result in
personal injury and / or product failure.

WARNING: Do not use mobile phone adaptors to connect headphones to the jack sockets
on airplane seats. This can cause overheating possibly resulting in personal injury such as
burns, et

WARNING: Do not use headphones when driving or operating any kind of mechanized
transport. Safety of yourself and pedestrians is put at risk as you are prevented from hearing
external warning noises.

CAUTION: The character of external warning sounds can be affected during headphone
use. Ensure you can still recognize these sounds before use.

CAUTION: Do not subject headphones to extreme force such as dropping, impact from
another object, or impact from poorly packed luggage.

CAUTION: Do not pull, or put excessive strain on the headphone cable, this may cause
damage and /or failure.

CAUTION: Keep the product dry and avoid exposure to extreme temperatures and humidity.

CAUTION: Ensure the headphone plug is securly being held when disconnecting the cable;

never pull on the cable as this could cause damage to the connections.

NOTE: It is common for the headphone ear cushions to gradually deteriorate over time; this
is commonly known as “wear and tear”.

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SAFETY LISTENING GUIDANCE

SPL(dB)RELATIVE LEVELRISKS/ACTIONS

WARNING: LISTENING TO AUDIO AT EXCESSIVE VOLUMES CAN
CAUSE PERMANENT HEARING DAMAGE. USE AS LOW A VOLUME
AS POSSIBLE.

Over exposure to excessive sound levels can damage your ears resulting
in permanent noise-induced hearing loss (NIHL). Please use the following
guidelines established by the Occupational Safety Health Administration
(OSHA) on maximum time exposure to sound pressure levels before
hearing damage occurs.

190

THEORETICAL LIMIT IN AIR

SPACE SHUTTLE LAUNCH

180

DANGER

RISK

SAFE

RISK OF WINDOWS BREAKING

140 dB PEAK EXPOSURE LIMIT

137dB PEAK UPPER EXPOSURE ACTION

135 dB PEAK LOWER EXPOSURE ACTION

(RISK OF PERMANENT HEARIN G DAMAGE - PEAK)

85 dB UPPER EXPOSURE ACTION

(RISK OF PERMANENT HEARIN G DAMAGE - CONTINUOUS)

80 dB LOWER EXPOSURE ACTION

LISTENIN G DURATION GUIDANCE

120dB

Avoid or take reduction prec autions

115dB

15 minutes

110dB

30 minutes

105dB

1 hour

100dB

2 hours

95dB

4 hours

90dB

8 hours (level dependant)

87dB EXPOSURE LIMIT

170

CANON FIRING

160

JET ENGINE

EMER GENCY SIREN

150

LOUD CONCERT ROCK/ELECTRONIC

140

137.5 dB = PAIN THRESHOLD (AVERAGE)

130

CYMBAL STRIKES / HIGH HATS

120

110

FULL SYMPHONY ORCHESTRA

100

JACK HAMMER AT 1m

90

BUSY ROAD TRAFFIC

80

PERSONAL AUDIO SYSTEMS

HOME THEATRE / TV

70

60

NORMAL OFFICE

50

QUIET OFFICE

QUIET RESIDENTIAL

40

RECORDING STUDIO

30

LEAVES RUSTLING

20

CALM BREATHING

10

AUDITORY THRESHOLD

0

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WARRANTY

Please refer to the warranty card shipped with your product. Please also

ll in the attached registration card if you’d like us to keep you up to date

on KRK developments.

DISPOSAL

This symbol on the product, in the instructions or on the packaging means
that your electrical and electronic equipment should be disposed at the
end of its life separately from your household waste. There are separate
collection systems for recycling in the EU. For more information, please
contact the local authority or your retailer where you purchased the
product.

This product’s packaging materials are recyclable and can be reused.

We advise keeping the packaging for shipping, but if you choose to
dispose of it, please do so in accordance with your local authorities
regulations.

CARE AND MAINTENANCE

KNS Series headphones do not require a service schedule. Please follow
the cautions below when cleaning your product.

CAUTION: Only use the provided anti-microbial/bacterial cloth to clean
your headphones; this will help maintain good hygiene.

CAUTION: Never use solvents or thinners to clean the headphones, this
can damage the headphones.

CAUTION: If the headphones become excessively dirty wipe down with a
slightly damp non-abrasive cloth, then dry immediately.

CAUTION: While cleaning your headphones, please avoid getting liquid
and/or foreign objects in the driver ports, volume control and connections.

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WELCOME

Congratulations on your choice of headphones, and welcome to the ever
growing family of KRK owners.

KRK’s KNS Series of professional studio headphones are designed to

forever change the way you handle your most demanding audio jobs.

The KNS headphones feature key design elements that continue to
make the KRK sound a “studio standard”. The series was created using
stringent design philosophies applied to all of our products.

The result is a studio reference set of headphones that you can trust,

delivering dened low-end, articulate midrange, and precise, natural

highs.

Whether you are making critical mixing decisions or need to capture the

subtle nuances of a unique sound, you’ll quickly discover that the KNS

Series deliver a new level of audio performance.

This manual is intended to inform you of the many features of your new
KNS headphones. We encourage you to take a few minutes to familiarize
yourself with this manual.

Thank you once again for choosing KRK!

USAGE GUIDANCE

The KNS series headphones are designed for critical listening and
monitoring in the following situations:

Engineer/Artist Recording Studio: Mixing / Monitoring / Recording
Engineer/Artist Broadcast Studio: Mixing / Monitoring / Recording
Musician/Artist Studio: Monitoring / Composition / Recording
Musician/Artist Live/Stage, Monitoring
Technician Monitoring at any location
General Personal music listening

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