Koss Stereophones - The Original - Esotérico · Koss Stereophones - The Original Ever since I...

Over Ear Headphones.............................................................................4-23On Ear Headphones...............................................................................24-33Earbuds & In Ear Headphones................................................................34-41Ear Clips.................................................................................................42-45Headsets................................................................................................46-55Accessories............................................................................................56-59

Index

Pro4AA

Koss Stereophones - The Original

Ever since I introduced the first SP/3 stereophone back in 1958, Koss Stereophones have been bringing back the excitement of a live performance. Music lovers around the world recognize that dedication to accuracy in sound reproduction as the

Sound of Koss.

John C. KossFounder and Chairman

54 Pro4S

Over Ear Headphones

6 7

• Electrostatic transducers deliver clean bass and unmatched sound quality• Pivoting ear cups and an adjustable/detachable headband ensure ultimate comfort and convenience• Straight, dual-entry 4 foot cord with 6 foot extension• Includes energizer, battery pack, leather carrying case, connecting cables and 120 VAC adapter• Euro plug available

8-35,000 Hz 100k ohms 98 dB SPL/1mW Straight, Dual Entry, 4ft/1.2m

The Pinnacle of Audio ReproductionFeaturing remarkable power and unmatched sound quality.

COMFORT AND CONVENIENCE

Pivoting ear cups and an adjustable/detachable headband ensure ultimate comfort and convenience.

Includes energizer, battery pack, leather carrying case, connecting cables, and 120 VAC adapter.

Electrostatic transducers deliver clean bass and unmatched sound quality.

THE PERFECT PAIR UNBEATABLE SOUND QUALITY

1010

Wireless FreedomPowerful personal listening you can take anywhere.

98 BT540i

10,25,000 Hz 38 ohms 100 dB SPL/1mW10,25,000 Hz 38 ohms 100 dB SPL/1mW10,25,000 Hz 38 ohms 100 dB SPL/1mW

• Bluetooth® Wireless Stereophone• NFC Enabled• Koss PLX40 Elements tuned for personal listening• Built-in microphone• On-board controls• Carry case included• Playtime (at moderate listening levels): 12+ hrs

BT540i

Straight, Detachable Single Entry, 4.5ft/1.4m

• Full-size, over-ear studio headphones• D-profile with memory foam cushions• Koss SLX40 elements tuned for studio reference• Detachable cord with dual choice entry• Fold flat for portability• Carrying case included• Daisy chain audio splitter

Pro4S

10-25,000 Hz 35 ohms 99 dB SPL/1mW

Made for Music ProfessionalsPerfect functionality, amazingly detailed sound.

81110 Pro4S

Coiled, Detachable Single Entry, 4.5ft/1.4m

Tune Out and Tune InSP540 Isolating Headphones are tuned specifically for personal listening.

• Full size, over-ear isolating headphones• D-profile with memory foam cushions• Koss PLX40 elements tuned for personal listening • Detachable cord• Fold flat for portability• Carry case included

SP540

10-25,000 Hz 35 ohms 99 dB SPL/1mW

1312 SP540

Straight, Detachable Single Entry, 4.5ft/1.4m

1514

• Full size, Wireless Bluetooth® Over-Ear Headphones• Bluetooth® 4.0 Technology• D-Profile• Built-in rechargeable lithium-ion battery• Up to 12 hours of playtime (at moderate volume) on one charge• Up to 40 hours of standby time on one charge• Detachable cord• Fold flat for travel• Available in dark gray or white

BT539iw

BT539ik

10-20,000 Hz 38 ohms 97 dB SPL/1mW Straight, Detachable Single Entry, 4ft/1.2m


• Full size, Wireless Bluetooth® Over-Ear Headphones• Bluetooth® 4.0 Technology• D-Profile• Built-in rechargeable lithium-ion battery• Up to 12 hours of playtime (at moderate volume) on one charge• Up to 40 hours of standby time on one charge• Detachable cord• Fold flat for travel• Available in dark gray or white

Cut the Cord with the All-New Koss BT539i Wireless Bluetooth® Headphones

BT539iw

PRO4AAT

10-25,000 Hz 250 ohms 95 dB SPL/1mW Coiled, Single Entry, 8ft/2.4m

• Full size noise-isolation studio headphones• Closed Pneumalite™ cushions maximize bass frequencies and isolate ambient noise• Oxygen-free copper voice coils improve signal transmission and conduction• Adjustable slide bars ensure snug fit for great sound and noise reduction• Standard-setting design incorporates performance-enhancing technology and updated style• Superior isolation, accurate sound reproduction and the excitement of a live performance with every recording• Both 3.5 mm (1/8”) plug and 6.3 mm (1/4”) adapter feature gold flashing

16 17

• Full size noise-isolating headphones• Fold flat into a convenient case for easy portability• Transition from stereo to mono with the flick of a switch• Two (2) detachable cords • 4-foot straight cord with Koss Touch Control (KTC) remote and in-line microphone• Koss Touch Control (KTC) remote and microphone technology, made for iPhone®, iPad® and iPod® • 8-foot coiled cord with 3.5 mm standard plug and 6.5 mm adapter

PRODJ200

10-25,000 Hz 38 ohms 99 dB SPL/1mW Coiled, Single Entry, 8ft/2.4mStraight, Single Entry 4ft/1.2m KTC

• Increased element rigidity minimizes mechanical distortion and ensures accurate sound reproduction• Voice coils improve signal transmission and conduction for cleaner, clearer sound• Closed leatherette ear cushions form tight seal around ears to reduce ambient noise and enhance bass• Heavy-duty, single-entry 8 foot straight cord affords ample flexibility of movement• Includes gold-flashed 3.5 mm (1/8-inch) plug and 6.3 mm (1/4-inch) adapter

PRO3AAT

15-20,000 Hz 60 ohms 100 dB SPL/1mW Straight, Single Entry 8ft/2.4m

• Noise isolating professional studio headphones• The first dynamic headphones to deliver true full frequency, high fidelity performance• Standard-setting design incorporates performance-enhancing technology• Superior isolation, accurate sound reproduction and the excitement of a live performance with every recording• Durable steel and generously padded rubber headband• Adjustable slide bars ensure snug fit• 8 foot coiled cord with 6.3 mm (1/4”) plug

PRO4AA

10-25,000 Hz 250 ohms 95 dB SPL/1mW Coiled, Single Entry, 8ft/2.4m

PRODJ200

19

• Full size, over-ear headphones• Built-in audio splitter• D-profile• Detachable cord with microphone & remote• Dual choice entry• Fold flat for travel• Available in dark gray or white

• Full size, over-ear headphones• Built-in audio splitter• D-profile• Detachable cord with microphone & remote• Dual choice entry• Fold flat for travel• Available in dark gray or white

UR42iw

UR42ik

18 UR42i



• Neodymium magnet structures deliver outstanding clarity and definition• Closed Pneumalite™ ear cushions and extra-secure headband seal ears, eliminate ambient noise• Volume control on ear cup allows easy level adjustment• Stereo/mono switch extends user flexibility• Includes 8 foot, coiled, single-entry cord with 3.5 mm plug and 6.3 mm adapter

QZ5

40-20,000 Hz 60 ohms 102 dB SPL/1mW Coiled, Single Entry, 8ft/2.4 m

• Dynamic element delivers accurate acoustic sound reproduction with a wide frequency response• Oxygen-free copper voice coils improve signal transmission and conduction for cleaner, clearer sound• Closed, leatherette ear cushions form comfortable seal around ears, enhancing bass frequencies and decreasing ambient noise• Adjustable headband adapts to any head size and shape for added comfort• 8 foot, single-entry coiled cord with 3.5 mm (1/8-inch) plug and 6.3 mm (1/4-inch) adapterCovered under the Koss Stereophones Limited Lifetime Warranty

QZ99

40-20,000 Hz 60 ohms 102 dB SPL/1mW Coiled, Single Entry, 8ft/2.4 m

• 40-20,000 Hz frequency response offers a full range of deep bass and treble clarity for ultimate sound quality and reproduction• Soft vinyl closed ear cushions create a tight seal around ears and reduce ambient noise• Active noise reduction technology eliminates unwanted low-frequency noise, creating a peaceful listening environment• Fully-collapsible design makes headphones perfect for travel• Extra-soft, padded headband delivers lightweight comfort for extended listening sessions• Approximately 30 hours of continuous play

QZPRO


• Full-frequency clean sound turns any recording into a “live” performance• Screened ear cups provide open, hear-through sound letting listeners stay in touch with surroundings• Closed leatherette ear cushions form tight seal around ears, enhancing bass response• Enjoy greater volume levels, even with low-voltage portable devices• Airy mesh sling provides soft, breathable support• Lightweight frame (just over 6 oz) folds into protective compact configuration for easy portability• Includes a straight, dual-entry 4 foot cord with gold-flashed 3.5 mm (1/8-inch) plug

15-22,000 Hz 60 ohms 98 dB SPL/1mW Straight, Dual Entry 4ft/1.2m

UR40

• Dynamic element for extended frequency response of 30-20,000 Hz• Leatherette ear cushions deliver maximum isolation• Built for maximum durability• Straight, single-entry 8 foot cord

UR20

30-20,000 Hz 32 ohms 97 dB SPL/1mW Straight, Single Entry, 8ft/2.4m

20 21

TD85

20-17,000 Hz 60 ohms 98 dB SPL/1mW Coiled, Single Entry, 8ft/2.4

• Oxygen-free copper voice coils improve signal transmission and conduction for cleaner, clearer sound• Adjustable headband and large leatherette ear cushions for custom fit• Steel yokes reinforce overall construction• Robust, yet surprisingly lightweight and comfortable, construction• Kevlar-reinforced, single-entry 8 foot, coiled cord with gold-flashed 3.5 mm (1/8-inch) plug • (L-shaped to minimize cord stress) and gold-flashed 6.3 mm (1/4-inch) adapter• Simple, streamlined construction• Includes a 4 foot, single-entry straight cord and two-prong airline adapter

• Unique D-profile mirrors the shape of the ear, to deliver superior sound and fit• Koss One-touch Microphone controls your device and answer calls• Superior isolation from ultra soft cushions and closed back design brings you closer to the music• Straight, dual-entry flat tangle free cord• Available in lime, blue, white, and black

UR23i

20-20,000 Hz 34 ohms 94 dB SPL/1mW Straight, Dual Entry, 4ft/1.2m

OVER EAR HEADPHONES 2322 UR32ig

• Leatherette ear cushions form seal around ears to enhance bass frequencies• Headband accommodates all head shapes and sizes for maximum comfort• Includes straight, dual-entry 8 foot cord with 3.5 mm (1/8-inch) plug• Folds into compact configuration, convenient for storage and portability

UR18


• Bass-enhanced, high quality sound• Enhanced rigidity minimizes mechanical distortion, yielding a full-frequency response• Great volume, even with low-voltage portable devices• Ear cushions seal comfortably around ears, improving bass performance and blocking outside noise while preventing sound leakage• Ear cups collapse into a compact fit for easy storage and travel

UR29


2524 Porta Pro Classic

On Ear Headphones

• On-ear headphones• D-profile with memory foam cushions• Koss PLX30 elements tuned for personal listening • Detachable cord• Fold flat for portability• Carry case

SP330

The SP330’s unique new D-Profile rests evenly over the entire ear, perfecting sound, fit, and comfort.

26 SP330 27

20-25,000 Hz 35 ohms 101 dB SPL/1mW Straight, Detachable Single Entry, 4.5ft/1.4m

• The ultra portable on-ear headphones• Comfort Zone setting on temporal pad for comfortable secure fit• The ultimate active headphones with a collapsible headband design for protective storage• Dynamic element for extended frequency response• Oxygen-free copper voice coils deliver deep bass and signal clarity• Includes a convenient carrying case for protective storage

Porta Pro Classic


The Ultimate Portable HeadphoneComfort and convenience combined.

28 Porta Pro Classic 29

• Koss Touch Control (KTC) remote and microphone technology, made for iPhone®, iPad® and iPod®• Comfort Zone setting on temporal pad for comfortable, secure fit• The ultimate active headphones with a collapsible headband design for protective storage• Dynamic element for extended frequency response• Oxygen-free copper voice coils deliver deep bass and signal clarity• Includes a convenient carrying case for protective storage

Porta Pro KTC

15-25,000 Hz 60 ohms 101 dB SPL/1mW Straight, Dual Entry 4ft/12.m

• One-Touch Microphone controls your device and answer calls• Comfort Zone setting on temporal pad for comfortable, secure fit• The ultimate active headphones with a collapsible headband design for protective storage• Dynamic element for extended frequency response• Oxygen-free copper voice coils deliver deep bass and signal clarity• Includes a convenient carrying case for protective storage

Porta Pro with Mic


• Active lightweight travel headphones• Dynamic elements deliver deep bass and a wide frequency response• Oxygen-free copper voice coils improve signal transmission for cleaner, clearer sound• Numerous details for comfort: multi-pivoting ear plates, cushioned pads, foam ear cushions• Straight, dual entry 4 foot cord• Gold-flashed 3.5 mm (1/8”) plug

Sporta Pro

15-25,000 Hz 60 ohms 103 dB SPL/1mW Straight, Dual Entry, 4ft/12.m

• Lightweight and portable for active lifestyles• The Sound of Koss dynamic audio drivers deliver full spectrum sound• Built to last rugged cable system• Dynamic element for extended frequency response• The perfect fit with patent pending suspension• One-touch microphone & remote• Available in black and white

• Lightweight and portable for active lifestyles• The Sound of Koss dynamic audio drivers deliver full spectrum sound• Built to last rugged cable system• Dynamic element for extended frequency response• The perfect fit with patent pending suspension• One-touch microphone & remote• Available in black and white

KPH30ik

KPH30iw



30

• Infrared (IR) technology transmits signal to headphones, reproducing audio signal while allowing you to roam freely about the room• Dynamic element promotes extended frequency response• Compact, lightweight design makes system ideal for extended listening sessions• Foam ear cushions keep you in touch with your environment while you listen• Adjustable, soft rubber headband provides maximum comfort and customization• Transmitter connects to most home systems through 3.5 mm headphone jack or audio output

HB79

30-15,000 Hz N/A N/A Cordless

31

32 33

• On ear headphones with a lightweight design• Dynamic element delivering incredible sound performance• Straight, 4 foot, dual entry cord with 3.5 mm plug• Ideal for listeners seeking ultra-light headphones• Available in black, green, red, white, and violet

KPH7


• Side-firing headphones are designed specifically for active lifestyles and working out• Sweat resistant fully adjustable comfort fit headband• Dynamic element for extended frequency response• Lightweight and non-isolating• Available in black, green, blue, violet, and white

KPH14


• Lightweight, portable headphones with adjustable headband• In-line volume control and open, hear-through sound• Straight, 4 foot, dual entry cord with 3.5 mm plug and 6.3 mm adapter• Titanium layered diaphragm delivers accurate sound reproduction• Frequency response delivers high quality sound performance• Perfect for at-home and portable use

KTXPRO1


• Lightweight and portable for active lifestyles• Equipped with dynamic elements for extended frequency response• Collapsible design for maximum portability and storage• Over-the-head design with contemporary styling• Include a straight, single-entry 4 foot cord with in-line volume control and 3.5 mm (1/8-inch) plug

KPH25


• Ultra-light behind-the-head sport clip® design• Great sound quality with maximum portability• Constructed from Mylar for enhanced rigidity• Improved signal transmission and conduction for cleaner, clearer sound• Secure headband won’t interfere with activities• Volume control on cord allows easy level adjustment

KSC17


• Durable on-ear headphones• Over the head design with an adjustable headband• Maximum portability with a lightweight design• 4-foot cord and 3.5mm plug

UR10


34 35 KEB15it

Earbuds & In Ear Headphones

• Wireless Bluetooth® FitBuds• Bluetooth® 4.0 Technology• Built-in rechargeable lithium-ion battery• Sweat Resistant• Up to 6 hours of playtime (at moderate volume) on one charge• Up to 6 hours of call time (at moderate volume) on one charge• Up to 80 hours of standby time on one charge• Soft in-ear clips for a secure fit• Three sizes of cushions (Small, Medium, & Large)• USB cable• Available in blue/green, dark gray, white and coral

BT190ik

20-20,000 Hz 1 Year Warranty Ultra Lightweight Water & Sweat Resistant

36 37

W

BT190ib




BT190ic

BT190ib

BT190iw

20-20,000 Hz 1 Year Warranty Ultra Lightweight Water & Sweat ResistantW



• Noise isolating in-ear headphones• Durable lightweight aluminum construction• One-Touch Microphone controls your device and answer calls• Soft, foam cushion expands for a custom comfort fit with every listening experience• Available in black and white

KEB25i


• Noise isolating in-ear headphones• Easily adjust vertical and horizontal fit with the KEB15i’s unique 45 degree angled backplate• One-Touch Microphone controls your device and answer calls• Offset element Innovative angled port ensures the perfect fit at the touch of a finger• Available in teal, gray, blue, violet, and red

KEB15i


38 39

• Noise isolating in-ear headphones• Memory foam ear cushions• In-ear headphones expand for custom comfort, improving isolation and high fidelity, and enhancing deep bass and treble clarity• Additional soft foam ear cushions included• Available in blue, green, orange, red, white, and black

The Plug


• Noise isolating in-ear headphones• In-line volume control• Memory foam ear cushions• In-ear headphones expand for custom comfort, improving isolation and high fidelity, and enhancing deep bass and treble clarity• Additional soft foam ear cushions included• Available in black and white

Sparkplug VC


KEB15ir

• Soft sculpted earbuds• Slim and compact design with robust sound• Built for long-lasting comfort• Available in blue, coral, mint, violet, white and pink

KE10


• Includes two pairs of earbuds - 1 black and 1 white• Perfect accessory for portable use• 4-foot straight cord and L plug provide flexibility and reliability for active use• Contour frame will fit comfortably and securely for extended use

KE7


• Noise isolating in-ear headphones• Compact design with robust sound• Dynamic element for extended frequency response• Include small, medium and large silicone ear cushions for customized fit• One-Touch Microphone controls your device and answer calls• Available in black, white, blue, green, pink, red, and violet

KEB6i


40 41

• Noise isolating in-ear headphones• Compact design with robust sound• Dynamic element for extended frequency response• Include small, medium and large silicone ear cushions for customized fit• One-Touch Microphone controls your device and answer calls• Available in blue, gray, black, pink, and white

KEB9i


• Ultra lightweight• Perfect accessory for portable use• 4-foot straight cord and L plug provide flexibility and reliability for active use• Contour frame will fit comfortably and securely for extended use• One-Touch Microphone controls your device and answer calls

KE5i


• Ultra lightweight• Perfect accessory for portable use• 4-foot straight cord and L plug provide flexibility and reliability for active use• Contour frame will fit comfortably and securely for extended use• Available in black and white

KE5


4342 KSC75

Ear Clip Headphones

• Dynamic element for extended frequency response of 60-20,000 Hz• Sport Clip® design fits comfortably around the ear • One-Touch Microphone controls your device and answer calls• Ultra-lightweight comfort• Customizable fit• Straight, dual-entry 4 foot cord

KSC22i


• Clips comfortably over ears• Open hear-through sound allows listeners to stay connected to surroundings• Ultra-lightweight comfort• Straight, dual-entry 4 foot cord• Available in black and white

KSC21


44 45

• High fidelity clip headphones• Exceptionally wide frequency response• Computer-optimized neodymium, iron, and boron rare-earth magnet structures deliver amazing clarity at any volume• Include a straight, dual entry, 4 foot cord with gold-flashed 3.5 mm (1/8”) plug• Pivoting clips promise accommodating fit• Enjoy greater volume despite low-voltage portable devices

KSC75


• Ultra lightweight earclip headphones• New in-ear ported design• Elements rest comfortably in ear to create noise isolating seal • Soft flexible clips rest comfortably around the ear• One-Touch Microphone controls your device and answer calls• Includes three pairs of silicon ear tips for optimum comfort and noise isolation• Available in blue, coral, gray, and violet

KSC32i FitClips


KSC32igry

46 SB42

Headsets

47

• Single, USB plug for quick headset connection• Headset with detachable electret noise reduction microphone for hands-free communication from your PC• Ideal for PC voice applications, interactive gaming and speech recognition• Dynamic element for extended frequency response• Foam ear cushions for open, hear-through sound• Adjustable headband for a great fit• Electret noise canceling microphone

SB42 USB

20-20,000 Hz (headset)

100-16,000 Hz (microphone)

USB

• Full range of sound brings games to life• Headset with detachable electret noise reduction microphone for hands-free communication from your PC• Dynamic element delivers high sensitivity and reduced distortion for premium sound• Improved signal transmission and conduction for cleaner, clearer sound• Ear cushions create balanced, open, hear-through sound, maximizing comfort and evenly distributing sound• Independent 3.5mm plugs for easy headphone and microphone connection• 8 foot cord maximizes movement• Electret noise canceling microphone

SB42

4948 SB42

3.5 mm

Straight, Single Entry 8ft/2.4m

35 ohms Straight, Single Entry 8ft/2.4m20-20,000 Hz 100 dB SPL/1mW

15-22,000 Hz 60 Ohms Straight, Single Entry 8ft/2.4m

GMR-545 AIR

GMR-540 ISO

51

• Open-back design creates a realistic environment for an expansive experience• 2 Cords included - Detachable electret boom mic & In-line mic with remote• The Sound of Koss dynamic audio drivers deliver full spectrum sound• Sling headband for lightweight comfort• D-profile creates the perfect fit • Dynamic element delivers high sensitivity and reduced distortion for premium sound• Improved signal transmission and conduction for cleaner, clearer sound• Ear cushions create balanced, open, hear-through sound, maximizing comfort and evenly distributing sound• Independent 3.5mm plugs for easy headphone and microphone connection• 8 foot cord maximizes movement

• Closed-back design creates a realistic environment for an expansive experience• 2 Cords included - Detachable electret boom mic & In-line mic with remote• The Sound of Koss dynamic audio drivers deliver full spectrum sound• Sling headband for lightweight comfort• D-profile creates the perfect fit • Dynamic element delivers high sensitivity and reduced distortion for premium sound• Improved signal transmission and conduction for cleaner, clearer sound• Ear cushions create balanced, open, hear-through sound, maximizing comfort and evenly distributing sound• Independent 3.5mm plugs for easy headphone and microphone connection• 8 foot cord maximizes movement

50 GMR545 AIR50 BT539i

Immerse Yourselfwith the All-New Koss GMR-540 ISO and GMR-545 AIR Immersive Gaming Headphones

GMR-540 ISO

3.5 mm 101 dB SPL

15-22,000 Hz 60 Ohms Straight, Single Entry 8ft/2.4m3.5 mm 101 dB SPL

EARBUDS & IN EAR HEADPHONES 7

• Single, USB plug for quick headset connection• Headset with electret noise reduction microphone for hands-free communication from your PC• Ideal for PC voice applications, interactive gaming and speech recognition• Dynamic element for extended frequency response• Foam ear cushions for open, hear-through sound• Adjustable headband for a great fit

CS100 USB

CS100

HEADSETS 5352 CS100

32 ohms

32 ohms



30-20,000 Hz

30-20,000 Hz

91 dB SPL/1mW

91 dB SPL/1mW

• Full range of sound brings games to life• Dynamic element delivers high sensitivity and reduced distortion for premium sound at all volume levels• Improved signal transmission and conduction for cleaner, clearer sound• Ear cushions create balanced, open, hear-through sound, maximizing comfort and evenly distributing sound• Independent 3.5mm plugs for easy headphone and microphone connection• 8 foot cord maximizes movement• Electret noise canceling microphone

• Noise canceling microphone• Full range of sound brings games to life• Microphone eliminates excessive background noise for greater ease of use with PC voice applications, such as speech recognition• Soft leatherette ear cushions envelop ears for long-lasting comfort and maximum isolation without excess pressure• Adjustable headband fits most head sizes• Independent 3.5mm plugs for easy headphone and microphone connection

SB40


• Single, USB plug for quick headset connection• Headset with electret noise reduction microphone for hands-free communication from your PC• Ideal for PC voice applications, interactive gaming and speech recognition• Dynamic element for extended frequency response• Foam ear cushions for open, hear-through sound• Adjustable headband for a great fit

• Single-sided listening• Headset with electret noise reduction microphone for hands-free communication from your PC• Ideal for PC voice applications, interactive gaming and speech recognition• Dynamic element for extended frequency response• Foam ear cushions for open, hear-through sound• Adjustable headband for a great fit

CS95 USB

CS95

• 18-20,000 Hz frequency response delivers full range of sound to bring games to life• Oxygen-free copper voice coils improve signal transmission and conduction for crystal-clear sound• Volume control on cord makes volume adjustment easy• Soft leatherette ear cushions envelop ears without pressure for long-lasting comfort• Clear Voice Technology (CVT) noise-reduction microphone eliminates excessive background noise for greater ease of use with PC voice applications, such as speech recognition• Independent 3.5mm plugs for easy headphone and microphone connection• Folds up for compact storage and convenient travel

SB49

54 55

• Multimedia headset• Noise-reduction Clear Voice Technology (CVT)• Premium sound at all volume levels• Anisotropic ferrite magnet structures deliver high sensitivity and reduced sound distortion• Independent 3.5mm plugs for easy headphone and microphone connection• Experience absolute comfort with soft, leatherette ear cushions

• Single, USB plug for quick headset connection• Communication headset• Noise-reduction Clear Voice Technology (CVT)• Premium sound at all volume levels• Anisotropic ferrite magnet structures deliver high sensitivity and reduced sound distortion• Experience absolute comfort with soft, leatherette ear cushions• Collapsible for compact storage

SB45

SB45 USB

18-20,000 Hz

18-20,000 Hz

18-20,000 Hz

100 ohms

100 ohms

100 ohms

103 dB SPL/1mW

103 dB SPL/1mW

103 dB SPL/1mW




30-20,000 Hz

30-20,000 Hz

32 ohms

32 ohms

91 dB SPL/1mW

91 dB SPL/1mW



56 57 BTS1

Accessories

EARBUDS & IN EAR HEADPHONES 7

• Share your music, everywhere• Wireless• Aux Input, Output• Directional or omni-directional sound• On-board Controls• Designed and engineered to deliver the Sound of Koss• Available in black or white• Option to daisy chain

BTS1 Bluetooth Speaker

BTS1 Bluetooth Speaker

58 59

The Original American Stereophone Company

Koss Stereophones - The Original - Esotérico · Koss Stereophones - The Original Ever since I...

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