---
product_id: 3661666
title: "QZ-99 Noise Reduction Stereophone, Standard Packaging,Black"
brand: "koss"
price: "¥19474"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/3661666-qz-99-noise-reduction-stereophone-standard-packaging-black
store_origin: JP
region: Japan
---

# Passive Noise Reduction Outstanding Clarity 8-ft Coiled Cord QZ-99 Noise Reduction Stereophone, Standard Packaging,Black

**Brand:** koss
**Price:** ¥19474
**Availability:** ✅ In Stock

## Summary

> 🎶 Tune Out the World, Tune Into You!

## Quick Answers

- **What is this?** QZ-99 Noise Reduction Stereophone, Standard Packaging,Black by koss
- **How much does it cost?** ¥19474 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/3661666-qz-99-noise-reduction-stereophone-standard-packaging-black)

## Best For

- koss enthusiasts

## Why This Product

- Trusted koss brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Total Noise Isolation:** Closed Pneumalite™ ear cushions eliminate ambient distractions.
- • **Versatile Connectivity:** Compatible with laptops, desktops, and more for ultimate flexibility.
- • **Effortless Volume Control:** Adjust sound levels easily with the on-ear cup volume control.
- • **Immerse Yourself in Sound:** Experience unparalleled audio clarity with neodymium magnet structures.
- • **Perfect for Professionals:** Ideal for racing scanners and metal detecting enthusiasts.

## Overview

The Koss QZ-99 Noise Reduction Stereophone offers passive noise reduction with outstanding audio clarity, featuring a comfortable design and versatile connectivity options, making it perfect for both professional and recreational use.

## Description

Product Description               Product Description The QZ99 Passive Noise-Reducing Over-Ear Headphones from KOSS are designed to make the world disappear. Pneumalite(TM) ear cushions and an extra-secure headband help with passive sound isolation, allowing for listening without outside noise. A volume control is located on the ear cup for maximum ease of use.The Koss QZ99 headset is a passive noise-reduction stereophone system that isolates the listener from ambient sounds, allowing clear and focused listening of the intended aural signal. Ideal for use with racing scanners and metal detectors, it includes a volume control on the earcup for easy level adjustment, a stereo/mono switch for added flexibility, and a single entry, 8 foot coiled cord. From the Manufacturer New advances in materials and design have served to expand the performance of stereophones. Koss' Product Development team and engineers look for the most innovative combinations of existing and new technologies to deliver the most exciting products possible. Features Frequency Response: 40-20,000 Hz Passive Noise Reduction stereophone system isolates listener from ambient sounds Ideal for use with racing scanners and metal detectors Volume control on ear cup for easy level adjustment Stereo/Mono switch for added flexibility Single entry, 8 foot coiled cord The Koss QZ99 headset is a passive noise-reduction stereophone system that isolates the listener from ambient sounds, allowing clear and focused listening of the intended aural signal. Ideal for use with racing scanners and metal detectors, it includes a volume control on the earcup for easy level adjustment, a stereo/mono switch for added flexibility, and a single entry, 8 foot coiled cord.                  .com               The Koss QZ99 headset is a passive noise-reduction stereophone system that isolates the listener from ambient sounds, allowing clear and focused listening of the intended aural signal. Ideal for use with racing scanners and metal detectors, it includes a volume control on the earcup for easy level adjustment, a stereo/mono switch for added flexibility, and a single entry, 8 foot coiled cord.               
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                    From the Manufacturer               New advances in materials and design have served to expand the performance of stereophones. Koss' Product Development team and engineers look for the most innovative combinations of existing and new technologies to deliver the most exciting products possible.Features Frequency Response: 40-20,000 Hz Passive Noise Reduction stereophone system isolates listener from ambient sounds Ideal for use with racing scanners and metal detectors Volume control on ear cup for easy level adjustment Stereo/Mono switch for added flexibility Single entry, 8 foot coiled cord              See more

## Features

- Passive Noise Reduction Headphones.Connectivity Technology: Wired
- Neodymium Magnet Structures Deliver Outstanding Clarity & Definition
- Closed Pneumalite(Tm) Ear Cushions & Extra Secure Headband Seal Ears, Eliminate All Ambient Noise
- Volume Control On Ear Cup Allows Easy Level Adjustment
- Stereo/Mono Switch Extends User Flexibility
- Passive noise reduction stereophone system isolates listener from ambient sounds
- Volume control on earcup for easy level adjustment
- Ideal for use with racing scanners and metal detectors
- Stereo/mono switch for added flexibility
- Single-entry, 8-foot coiled cord

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Controller Type | Wired |
| Control Type | Volume Control |
| Unit Count | 1.0 Count |
| Item Weight | 425 Grams |
| Headphone Folding Features | Over Ear |
| Earpiece Shape | Rounded tip |
| Headphones Ear Placement | On Ear |
| Theme | NA" or "NO |
| Color | Black |
| Wireless Technology | Bluetooth |
| Connectivity Technology | Wired |
| Headphone Jack | 3.5 mm Jack |
| Is Electric | No |
| Number of Power Levels | 1 |
| Antenna Location | Music, Travel |
| Compatible Devices | Laptops, Desktops, Tablets, Cellphones, Music Production Equipment |
| Cable Features | Retractable |
| Additional Features | volume-control |
| Enclosure Material | Metal |
| Specific Uses For Product | Racing, Metal Detecting |
| Frequency Range | 40 Hz - 20 kHz |
| Noise Control | Sound Isolation |

## Product Details

- **Brand:** Koss
- **Color:** Black
- **Ear Placement:** On Ear
- **Form Factor:** Over Ear
- **Impedance:** 60 Ohms

## Images

![QZ-99 Noise Reduction Stereophone, Standard Packaging,Black - Image 1](https://m.media-amazon.com/images/I/914W2oi686L.jpg)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-05*