Koss QZ-99 Stereo Headphone, Wired Over-the-head Binaural, Passive Noise Reduction, Volume Control, 8ft Coiled Cable, 40Hz-20kHz, 102dB Sensitivity (Lifetime Warranty)

Name: Koss QZ-99 Stereo Headphone, Wired Over-the-head Binaural, Passive Noise Reduction, Volume Control, 8ft Coiled Cable, 40Hz-20kHz, 102dB Sensitivity (Lifetime Warranty)
Brand: Koss
SKU: QZ99
Price: 64.49 USD
Availability: OutOfStock

Koss QZ99 black over-ear headphones with coiled cable and volume control, side view showing padded ear cup and headband design-alternate-image1

Koss QZ99 stereo headphones showing volume control knob and coiled cable connection, angled view of black ear cup design-alternate-image2

Koss QZ-99 Stereo Headphone, Wired Over-the-head Binaural, Passive Noise Reduction, Volume Control, 8ft Coiled Cable, 40Hz-20kHz, 102dB Sensitivity (Lifetime Warranty)

Koss QZ99

$64.49

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Product Key Features

🎧 Over-the-head Binaural Design with Passive Noise Reduction
🔊 High-quality Sound: 40 Hz - 20 kHz Frequency Response
🎚️ Built-in Volume Control for Easy Adjustment
📏 8 ft Coiled Single-entry Cable for Flexibility
🔌 60 Ohm Impedance with 102 dB Sensitivity
🛡️ Closed Ear Cushions for Better Sound Isolation
⚡ Ideal for Racing Scanners and Metal Detectors
💪 Durable Ear-cup Form Factor (15 oz)
⭐ Backed by Lifetime Warranty

$64.49

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Koss QZ-99 Stereo Headphone, Wired Over-the-head Binaural, Passive Noise Reduction, Volume Control, 8ft Coiled Cable, 40Hz-20kHz, 102dB Sensitivity (Lifetime Warranty)

This item: Koss QZ-99 Stereo Headphone, Wired Over-the-head Binaural...

$64.49

Total price: $64.49

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Tech Specs

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Koss

QZ99

Koss QZ-99 Stereo Headphone: Professional-Grade Noise Reduction with Lifetime Warranty

Experience superior sound isolation with the Koss QZ-99 Stereo Headphone, a professional-grade audio solution featuring passive noise reduction technology and premium sound quality. With its impressive frequency response range of 40Hz-20kHz and high sensitivity of 102dB, these over-the-head binaural headphones deliver exceptional audio clarity while effectively blocking out ambient noise.

Advanced Audio Performance & Noise Reduction Technology

The QZ-99 showcases Koss's commitment to audio excellence with its sophisticated passive noise reduction system, making it perfect for professional applications and demanding listening environments. The headphone's 60-ohm impedance ensures optimal power handling and sound quality across various audio sources.

Premium Sound Specifications

These professional headphones feature: • Wide frequency response range: 40Hz-20kHz for detailed audio reproduction • High sensitivity: 102dB for powerful, clear sound • Professional-grade 60-ohm impedance • Stereo sound mode for immersive listening experience

Ideal Applications: Perfect for racing scanner monitoring, metal detecting, and professional audio monitoring where ambient noise isolation is crucial.

Ergonomic Design & Professional Features

The QZ-99 is engineered for extended comfort and durability with: • Over-the-head binaural design for balanced weight distribution • Closed ear cushions for enhanced noise isolation • Convenient volume control on the earpiece • Professional-grade 8ft coiled cable with single entry design • Lightweight construction at just 15 ounces

Professional Connectivity & Durability

Built for professional reliability, these headphones include: • Industry-standard phono interface for universal compatibility • Heavy-duty ear-cup form factor • Premium-quality coiled cable for tangle-free operation • Backed by Koss's legendary lifetime warranty

Package Contents & Warranty Information

Each Koss QZ-99 comes with: • QZ-99 Stereo Headphone • 8ft coiled cable (attached) • User documentation • Lifetime limited warranty coverage

Warranty Highlight: These headphones come with Koss's exceptional lifetime warranty, ensuring your investment is protected for years to come.

New advances in materials and design have served to expand the performance of stereo phones. Koss Product Development team and engineers look for the most innovative combinations of existing and new technologies to deliver the most exciting products possible.

Koss QZ99 black over-ear headphones with coiled cable and volume control, side view showing padded ear cup and headband design

Superior Noise Isolation with Premium Over-Ear Design

The Koss QZ99 headphones feature a robust over-ear design with plush closed ear cushions that create an effective seal against ambient noise. The ergonomic ear cups house powerful drivers that deliver pristine audio across a wide 40 Hz - 20 kHz frequency range, while the padded headband ensures comfort during extended listening sessions. The professional-grade construction includes a single-entry coiled cable with volume control for convenient audio adjustment. With 102 dB sensitivity and 60 ohm impedance, these headphones provide exceptional clarity and detail whether you're using them with racing scanners, metal detectors, or personal audio devices.

Technical Specifications

🎧 60 Ohm impedance for optimal audio performance
🔊 102 dB sensitivity for crystal-clear sound reproduction
📶 40 Hz - 20 kHz frequency response range for full-spectrum audio

Applications

🏁 Racing event monitoring with scanner compatibility
🔍 Metal detecting with enhanced ambient noise reduction
🎵 High-fidelity music listening with passive noise isolation

Koss QZ99 stereo headphones showing volume control knob and coiled cable connection, angled view of black ear cup design

Durable Build with Integrated Volume Control

The sleek matte black finish of the QZ99 headphones exemplifies Koss's commitment to both style and substance. The integrated volume control on the ear cup provides quick access to audio adjustments, while the 8-foot coiled cable offers freedom of movement without cable tangling. The robust construction features high-quality materials designed to withstand regular use, backed by Koss's lifetime warranty. The closed-back design not only enhances bass response but also provides excellent noise isolation for focused listening in various environments.

Technical Specifications

🔌 8-foot coiled cable for extended reach
⚡ Single-entry cable design for reduced tangling
🎚️ Convenient ear cup-mounted volume control

Applications

🎮 Gaming sessions requiring precise audio control
🎼 Studio monitoring with extended cable mobility
🏢 Professional environments requiring noise isolation

Return Policy	Time to Return
Standard Return Policy	We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns.
Replacement Only Return Policy	Replacement within 30 days of the delivery date.
Manufacturer Only Return Policy	Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer.

FAQ

The Koss QZ99 headphones feature a passive noise reduction system, over-the-head binaural design, and built-in volume control. They come with an 8-foot coiled single-entry cable, closed ear cushions, and deliver a frequency response of 40 Hz to 20 kHz. The headphones are particularly suited for use with racing scanners and metal detectors, offering 102 dB sensitivity and 60 Ohm impedance for quality sound reproduction.

The Koss QZ99 uses a passive noise reduction system that physically isolates the listener from ambient sounds through its closed ear cushion design. Unlike active noise cancellation that requires power, this passive system relies on the physical construction and materials of the ear cups to block out external noise, making it ideal for environments where ambient noise reduction is needed.

The Koss QZ99 headphones come with a lifetime limited warranty, demonstrating Koss's confidence in their product's durability and long-term performance. This warranty provides excellent value and peace of mind for buyers, ensuring their investment is protected for the entire life of the product.

The Koss QZ99 features a frequency response range of 40 Hz to 20 kHz, 60 Ohm impedance, and 102 dB sensitivity. It uses a wired connection with an 8-foot coiled cable and includes a phono host interface. The headphones operate in stereo sound mode and weigh approximately 15 ounces, providing a balanced combination of performance specifications for quality audio reproduction.

The Koss QZ99 headphones are designed for comfort during extended use with their over-the-head binaural design and closed ear cushions. The ear-cup form factor provides a comfortable fit around the ears, while the 15-ounce weight offers a balance between durability and comfort. The adjustable headband and cushioned ear cups help distribute pressure evenly for long listening sessions.

The Koss QZ99 is specifically designed for use with racing scanners and metal detectors, making them ideal for hobbyists and professionals in these fields. The passive noise reduction system, combined with closed ear cushions, makes them excellent for environments where ambient noise isolation is important. They're also suitable for general music listening and applications requiring clear audio monitoring.

The Koss QZ99 headphones feature built-in volume control on the earpiece, allowing for convenient adjustment of audio levels without accessing the source device. This on-ear volume control provides easy access and quick adjustments during use, enhancing the overall user experience and functionality of the headphones.

The Koss QZ99 uses a wired connection with an 8-foot coiled, single-entry cable and a phono interface. The coiled design helps prevent cable tangling while providing enough length for comfortable movement, and the single-entry connection reduces cable clutter. The phono interface ensures compatibility with a wide range of audio devices and professional equipment.

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Koss QZ-99 Stereo Headphone, Wired Over-the-head Binaural, Passive Noise Reduction, Volume Control, 8ft Coiled Cable, 40Hz-20kHz, 102dB Sensitivity (Lifetime Warranty)

Koss QZ-99 Stereo Headphone, Wired Over-the-head Binaural, Passive Noise Reduction, Volume Control, 8ft Coiled Cable, 40Hz-20kHz, 102dB Sensitivity (Lifetime Warranty)

Koss QZ99

Product Key Features

Frequently bought together

Koss

QZ99

Koss QZ-99 Stereo Headphone: Professional-Grade Noise Reduction with Lifetime Warranty

Advanced Audio Performance & Noise Reduction Technology

Premium Sound Specifications

Ergonomic Design & Professional Features

Professional Connectivity & Durability

Package Contents & Warranty Information

Superior Noise Isolation with Premium Over-Ear Design

Technical Specifications

Applications

Durable Build with Integrated Volume Control

Technical Specifications

Applications

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