Koss HB80S Folheto

HB79s / HB80s / HB90s

The HB79s / HB80s / HB90s IR wireless stereophone

includes the following components:

1. Headband
2. Battery Door 
3. LED
4. Power On / Off

5. Noise Cancellation On / Off (HB90s ONLY) 
6. Channel Selector A / B (HB80s, HB90s ONLY)
7. Volume Control

3

5

6

7

4

1

2

Locate the battery door on the right earcup.

1.

To open the battery door, insert a flat-ended 
object (like a key) into the slot.

2.

Gently open the door.

3.

Insert 2 "AAA" batteries.

4.

Close battery door(s).

5.

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

1.

Locate the noise cancellation button on the left earcup.

1.

Locate the volume control on the left earcup.

1.

Adjust the volume to a comfortable setting.

2.

Locate the channel selection button on the left earcup.

1.

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

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

Verify you are facing the screen / Check batteries

Press button to "on".

2.

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

3.

Press button "on".

2.

Press this button to alternate between the two channels.

2.

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:

 

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, 

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

products, or Products purchased or serviced outside the USA.

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, 

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

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

(U.S., Canada & Mexico only).

Or contact us through the web at 

.

4129 North Port Washington Ave. Milwaukee, WI  53212-1052 USA

1-800-USA-KOSS  ·  www.koss.com

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 

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 

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 

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

EXCLUSIVE  REMEDIES  AVAILABLE  TO  THE  INITIAL  USER  OR  PURCHASER  FOR  ANY 

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

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

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

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 

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

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

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 

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

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

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

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

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

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

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

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

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 

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

purchaser for the cost of company time and materials.

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

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

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 

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

with vehicular traffic.

SLOT