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Koss QZ/900

Price range:

$249.00 - $249.99

Summary: Home/Studio-style closed, over-ear noise-canceling headphones that come with carrying case and detachable connecting cord.

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Type: Home/Studio style

Features
Works with noise reduction off Will operate without the noise-canceling circuitry activated; allows the model to be used as standard headphones if the batteries die. Works with noise reduction off	Yes
Monitor function (mute) Has a control that turns off the audio, and in the case of noise canceling models turns off the noise canceling function, so that ambient sounds can be heard. Useful for hearing ambience like travel announcements without turning off the audio player or removing the headphones. Monitor function (mute)	No
Integrated microphone Has an integrated microphone for use with some cell phones or audio players with a recorder function. Integrated microphone	No
Call connect/disconnect control This allows you to answer or disconnect from a phone call with some cell phones. Call connect/disconnect control	No
Integrated volume control This allows you to adjust the volume without having to dig into your pocket or purse for a player. Integrated volume control	Yes
Integrated player control This allows you to control some player functions (for example: play, pause, track skip) via a control without having to dig into a pocket or purse for a player. Integrated player control	No
Noise cancelling unit in earpiece The electronic circuitry for the noise cancelation function is integrated into headphones earpiece rather than incorporated as a separate module that is integrated into the audio cord. Noise cancelling unit in earpiece	Yes
Detachable cable A detachable cable allows the headphones to be used for noise canceling without the cord being connected to a music or video player, or dangling from the headset. Detachable cable	Yes
Cable length (in.) Cable length indicates the approximate length of the cable from the headset or earpiece to the plug, measured in inches. Cable length (in.)	48
Battery type The number and type of batteries used. Battery type	(1) AAA
Low battery indicator An indicator to show that the headphone battery power is low and will need to be replaced or recharged. Low battery indicator	No
Plug type The type of connection at the end of the audio cord, which will be plugged into the source component. Most have 1/8-inch standard (3-contact) "mini" jacks that fit portable devices. Models intended for use with newer iPod, iPhone, and some Blackberry smartphones, that have integrated microphones, audio player controls, and call connect/disconnect controls use a 1/8-inch 4-conductor mini jack. The audio function of models with 4-conductor mini jacks may not work properly or consistently with non-iPod/iPhone devices. Plug type	Mini (1/8")
Weight (oz.) Reflects the weight, in ounces, of the headphones including the audio cable and batteries, if any. Weight (oz.)	8
Warranty (mos. parts/labor) Warranty (parts/labor, mo.) indicates the length of the manufacturer's warranty for parts and labor, in months. Warranty (mos. parts/labor)	Limited Lifetime
Included accessories Indicates what additional accessories are included. Included accessories	Caring case, detachable 48-inch long connecting cord.

Additional Information (The information below has been supplied by an external source.)

General Information
Manufacturer	Koss Corporation
Manufacturer Website Address	www.koss.com
Product Model	QZ900
Product Name	QZ900 Noise Canceling Headphone
Product Type	Headphone

Technical Information
Connectivity Technology	Wired
Cable Length	4 ft
Sound Mode	Stereo
Impedance	32 Ohm
Minimum Frequency Response	20 Hz
Maximum Frequency Response	20 kHz

Earpiece
Earpiece Design	Over-the-head
Earpiece Type	Binaural

Physical Characteristics
Form Factor	Ear-cup

Warranty
Standard Warranty	Lifetime Limited

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