Trouble Shooting Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HB79s / HB80s / HB90s

 

 

 

 

Note: The stereophone will not function, and distortion will

 

 

 

 

occur anytime the signal from the screen to the stereophone is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INFRARED WIRELESS STEREOPHONE

blocked.

No sound from the stereophone

OWNER'S MANUAL

 

 

 

 

Check that the unit is "on" / Check that the stereophone batteries are

 

 

 

 

fresh and inserted in the correct direction. / Adjust volume control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distortion, background noise

 

HB79s / HB80s / HB90s

 

 

 

 

 

 

 

 

 

Verify you are facing the screen / Check batteries

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No*Questions*Asked Lifetime Warranty

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

What does your warranty cover? Any defect in material or workmanship.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For how long after the original purchase? A lifetime

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

What will we do? Provide you with a new, or at our option, a reconditioned unit.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

How do you make a warranty claim? First, you must register your product. Go to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

www.koss.com. Click on "Register Your Product"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Follow the instructions below to send in your product. Properly pack your unit. Include any

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cables, etc., which were originally provided with the product. We recommend using the original

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

carton and packing materials. Include in the package a copy of the sales receipt or other

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

evidence of date of original purchase. Also print your name and address and a description of the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

defect.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ship the unit standard UPS or equivalent prepaid to:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

Koss Stereophones

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Warranty/Repair Center

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4129 N Port Washington Ave

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Milwaukee, WI 53212-1052 USA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A new or reconditioned unit will be shipped to you prepaid freight.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

What does your Warranty not cover? Installation and set-up service adjustments, Batteries,

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Damage from misuse and neglect, Products which have been modified or incorporated into other

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

products, or Products purchased or serviced outside the USA.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

For additional information, ask your dealer or visit our website at www.koss.com.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

How does state law relate to this warranty? This warranty gives you specific legal rights,

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and you may also have other rights which may vary from state to state.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

For products purchased outside the United States and Canada, see dealer for warranty.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LIFETIME WARRANTY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This Koss product has a Lifetime Limited Warranty which covers normal use by the initial user

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

or purchaser of this particular Koss product. Koss hereby warrants only to the initial user or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

purchaser that this Koss product will be free of any defect in materials and workmanship for

COMPONENTS

 

 

 

 

the life of the product. THIS WARRANTY DOES NOT APPLY TO ANY INITIAL USER OR

 

 

 

 

PURCHASER WHO ALLOWS THIS PRODUCT TO BE USED BY MULTIPLE PERSONS. THIS

The HB79s / HB80s / HB90s IR wireless stereophone

 

 

 

 

WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY FOR THIS KOSS PRODUCT AND IS

 

 

 

 

IN LIEU OF ALL OTHER WARRANTIES (EXPRESS OR IMPLIED), INCLUDING ANY WARRANTY

includes the following components:

 

 

 

 

OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. THE SOLE AND

1. Headband

5. Noise Cancellation On / Off (HB90s ONLY)

 

 

 

 

EXCLUSIVE REMEDIES AVAILABLE TO THE INITIAL USER OR PURCHASER FOR ANY

 

 

 

 

DEFECTS IN MATERIALS OR WORKMANSHIP SHALL BE THE OBLIGATION OF KOSS, AT ITS

2. Battery Door

6. Channel Selector A / B (HB80s, HB90s ONLY)

SOLE OPTION, TO EITHER REFUND THE PURCHASE PRICE OF THE KOSS PRODUCT, OR

3. LED

7. Volume Control

 

 

 

 

REPAIR OR REPLACE THE NON-FUNCTIONING OR DEFECTIVE KOSS PRODUCT PROVIDED IT

4. Power On / Off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IS RETURNED TO KOSS IN SECURE PACKAGING TOGETHER WITH A CHECK FOR $6.00 TO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUR FACTORY AT 4129 N. PORT WASHINGTON AVE, MILWAUKEE, WI 53212. If purchased

Insert Batteries

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

outside the U.S., contact the local Koss Authorized Dealer for details. Koss reserves the right

1. Locate the battery door on the right earcup.

 

 

 

 

 

 

to replace any discontinued product with one of equal value. KOSS SHALL NOT BE LIABLE

2. To open the battery door, insert a flat-ended

 

 

 

 

SLOT

 

 

FOR ANY LOSS, INJURY OR DAMAGES TO PERSONS OR PROPERTY RESULTING FROM THE

 

 

 

USE OF THIS PRODUCT OR ANY FAILURE OF OR DEFECT IN THIS PRODUCT, NOR SHALL

 

object (like a key) into the slot.

 

 

 

 

 

 

KOSS BE LIABLE TO THE INITIAL USER OF THIS PRODUCT OR TO ANY OTHER PERSON OR

 

 

 

 

 

 

 

 

 

3. Gently open the door.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ENTITY FOR ANY GENERAL, SPECIAL, DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXEMPLARY, PUNITIVE, OR OTHER DAMAGES OF ANY KIND OR NATURE WHATSOEVER.

4. Insert 2 "AAA" batteries.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THE REPAIR OR REPLACEMENT OF ANY NON-FUNCTIONING OR DEFECTIVE PRODUCT OR

5. Close battery door(s).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THE REFUND OF THE PURCHASE PRICE, AT KOSS' OPTION, SHALL CONSTITUTE KOSS'

Turn on wireless operation

 

 

 

 

ONLY LIABILITY TO THE INITIAL USER OR PURCHASER, WHETHER SUCH LIABILITY IS

 

 

 

 

BASED ON CONTRACT, TORT, STRICT LIABILITY OR OTHERWISE. Some states may not

1.

Locate the power on / off button on the right earcup.

 

 

 

 

allow the exclusion or limitation of damages set forth herein in which case the above language

2. Press button to "on".

 

 

 

 

may not apply to you. This limited warranty gives you specific legal rights and you may also

 

 

 

 

have other rights which may vary among states or provinces. If usage of this Koss product

3.

The LED will be red when the unit is powered on.

 

 

 

 

 

 

 

 

violates the guidelines of this limited warranty, Koss will repair the product and charge the

Set Volume Control

 

 

 

 

purchaser for the cost of company time and materials.

 

 

 

 

 

IMPORTANT SAFETY INFORMATION

1. Locate the volume control on the left earcup.

 

 

 

 

 

 

 

 

 

 

Avoid playing your stereophone at high volume levels. Some studies have concluded that

2.

Adjust the volume to a comfortable setting.

 

 

 

 

 

 

 

 

 

 

prolonged and extensive exposure to noise in excess of 95dB may impair hearing. Never wear

Turn on noise cancellation (HB90s ONLY)

 

 

 

 

 

your stereophone while operating a motorized vehicle. It may create a traffic hazard and is

 

 

 

 

 

illegal in many areas. Exercise caution if you are wearing your stereophone while engaged in

1.

Locate the noise cancellation button on the left earcup.

 

 

 

 

 

activities such as walking, race-walking, jogging, cycling, etc. which may bring you in contact

2.

Press button "on".

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

with vehicular traffic.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

We are committed to bringing the finest in personal listening to each and

Channel Selection (HB80s and HB90s ONLY)

 

 

 

 

 

 

 

 

 

 

every one of our customers. If we can ever be of service, please do not hestitate

1. Locate the channel selection button on the left earcup.

 

 

 

 

 

to call us at 1-800-USA-KOSS(U.S., Canada & Mexico only).

2.

Press this button to alternate between the two channels.

 

 

 

 

 

Or contact us through the web at WWW.KOSS.COM.

 

 

 

 

4129 North Port Washington Ave. Milwaukee, WI 53212-1052 USA 1-800-USA-KOSS · www.koss.com

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Koss HB90S, HB80S, HB79S owner manual Headband, Battery Door Channel Selector a / B HB80s, HB90s only, LED Volume Control
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HB80S, HB79S, HB90S specifications

Koss, a renowned name in the audio industry, has continually pushed the boundaries of headphone technology. Among its impressive lineup, the Koss HB90S, HB79S, and HB80S stand out as noteworthy models, each boasting unique features and specifications catering to a diverse range of listeners.

The Koss HB90S is a dynamic, full-size headphone that leverages advanced technologies to deliver an immersive listening experience. One of its standout features is the Neodymium driver, which enables high-efficiency sound production. This driver technology ensures that users enjoy a broad frequency response, delivering deep bass, clear mids, and sparkling highs with precision. Additionally, the HB90S is designed with an adjustable headband and plush ear cushions, ensuring a comfortable fit during extended listening sessions. Its over-ear design also contributes to effective sound isolation, allowing listeners to enjoy their music without external distractions.

Meanwhile, the Koss HB79S offers a more compact yet equally impressive listening experience. This model features smaller ear cups than the HB90S, making it an ideal option for users seeking portability without sacrificing sound quality. The HB79S utilizes Koss's proprietary pod technology, which enhances the acoustics of the headphone and delivers an expansive soundstage. This model is perfect for those who prefer a lighter headphone, as it provides a snug fit and comfortably wraps around the ears. Furthermore, the HB79S is equipped with a flexible, adjustable headband that adapts to individual head sizes for maximum comfort.

On the other hand, the Koss HB80S combines the benefits of both the HB90S and HB79S to create a versatile option for audio enthusiasts. With larger ear cups providing deeper bass response, the HB80S is engineered to deliver a rich audio experience. It features soft, padded ear cushions that are designed for long-wearing comfort, making it suitable for both casual listeners and long sessions in the studio or at home. Its durable construction ensures longevity, allowing users to enjoy high-quality audio for years to come.

In summary, Koss's HB90S, HB79S, and HB80S headphones exemplify the company’s commitment to delivering quality audio products. Each model brings a unique set of features, catering to various preferences and listening scenarios. With advanced technologies that enhance sound quality, ergonomic designs for comfort, and durable materials ensuring longevity, these headphones are well suited for a wide audience, from casual listeners to audiophiles. Whether you choose the immersive HB90S, the portable HB79S, or the versatile HB80S, you are guaranteed an enriching audio experience that is synonymous with the Koss brand.
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