---
product_id: 48336199
title: "Koss \"KH4020\" In-Ear Wired Earbuds, Black"
brand: "koss"
price: "R897"
currency: ZAR
in_stock: true
category: "Koss"
url: https://www.desertcart.co.za/products/48336199-koss-kh4020-in-ear-wired-earbuds-black
store_origin: ZA
region: South Africa
---

# 16 ohms impedance for efficient power use 15-20,000 Hz frequency range 112 dB sensitivity for crisp sound Koss "KH4020" In-Ear Wired Earbuds, Black

**Brand:** koss
**Price:** R897
**Availability:** ✅ In Stock

## Summary

> 🎧 Plug into perfection — sound that keeps you ahead of the curve!

## Quick Answers

- **What is this?** Koss "KH4020" In-Ear Wired Earbuds, Black by koss
- **How much does it cost?** R897 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/48336199-koss-kh4020-in-ear-wired-earbuds-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

- • **Tangle-Free Freedom:** Enjoy hassle-free use with a durable, tangle-resistant cable designed for your on-the-go lifestyle.
- • **Crystal-Clear Volume:** High 112 dB sensitivity means your music stays loud and clear, even in noisy environments.
- • **Immersive Sound Clarity:** Experience rich audio with a wide 15-20,000 Hz frequency range that captures every beat and nuance.
- • **Universal Compatibility:** Seamlessly connect to all your favorite devices—from iPhones to Samsung smartphones—with a standard 3.5mm jack.
- • **Effortless Power Efficiency:** Low 16-ohm impedance ensures your earbuds deliver powerful sound without draining your device’s battery.

## Overview

The Koss KH4020 In-Ear Wired Earbuds deliver professional-grade audio with a broad 15-20,000 Hz frequency response, 16-ohm impedance for efficient power use, and 112 dB sensitivity for clear, loud sound. Designed with a tangle-free cable and universal 3.5mm compatibility, these lightweight earbuds are perfect for professionals who demand quality and convenience on the move.

## Description

Koss "KH4020" In-Ear Wired Earbuds, Black | Audiophile, In-Ear Headphones: desertcart.co.uk: Electronics & Photo

## Features

- Frequency response 15 – 20,000 Hz
- Impedance 16 ohms
- Sensitivity 112db SPL/1mW
- Distortion <0.3%

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00001P4XA |
| Age Range Description | Adult |
| Antenna Location | Exercising |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | 3,697 in In-Ear Headphones |
| Bluetooth Version | 4 |
| Bluetooth support? | Yes |
| Box Contents | Koss The Plug In-Ear Headphones (Black) |
| Brand Name | Koss |
| Cable Features | Tangle Free |
| Carrying Case Color | Black |
| Carrying Case Material | fabric |
| Colour | Black |
| Compatible Devices | MP3 Players, iPhones, iPads, iPods, Samsung Smartphones |
| Control Method | Push Button |
| Control Type | Volume Control |
| Controller Type | Touch |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.0 4.0 out of 5 stars (1,907) |
| Earpiece Shape | In-Ear |
| Enclosure Material | iphone |
| Frequency Range | [20, 2E+4] Hz |
| Frequency Response | 20000 Hz |
| Generation | 1 |
| Global Trade Identification Number | 00021299147573, 04007249144508 |
| Hardware Interface | Bluetooth |
| Headphone Form Factor | In Ear |
| Headphone Jack | 3.5 mm Jack |
| Headphones Ear Placement | In Ear |
| Impedance | 16 Ohms |
| Input-Device Interface | Bluetooth, Jack |
| Is Autographed | No |
| Item Highlight | Audiophile, In-Ear Headphones |
| Item Part Number | THEPLUG |
| Item Type Name | headphones |
| Item Weight | 0.04 Kilograms |
| Manufacturer | Koss |
| Manufacturer Part Number | 156407 |
| Model Name | The Plug |
| Model Number | 156407 |
| Network Connectivity Technology | Jack |
| Noise Control | Sound Isolation |
| Noise Control Features | active_noise_cancellation |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Features | Lightweight |
| Sensitivity | 112 dB |
| Series Number | 156407 |
| Specific Uses For Product | Music |
| Style Name | Intraaural |
| Theme | Black |
| UPC | 021299147450 984064817821 746775251215 021299147573 021299139578 424061719600 |
| Unit Count | 1.0 count |
| Water Resistance Level | Waterproof |
| Wireless Technology Type | Bluetooth |

## Product Details

- **Brand:** Koss
- **Colour:** Black
- **Ear placement:** In Ear
- **Form factor:** In Ear
- **Frequency response:** 20000 Hz
- **Headphone jack:** 3.5 mm Jack
- **Impedance:** 16 Ohms
- **Model name:** The Plug
- **Noise control:** Sound Isolation
- **Sensitivity:** 112 dB

## Images

![Koss "KH4020" In-Ear Wired Earbuds, Black - Image 1](https://m.media-amazon.com/images/I/51odQDityjL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

- Koss "The Plug Noise" Isolating In-Ear Headphones (3.5 mm Jack) for iPhone/iPad/iPod/MP3 Players/Samsung/Smartphones - Black
- Apple USB-C to 3.5mm Headphone Jack Adapter ​​​​​​​

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**Shop now:** [https://www.desertcart.co.za/products/48336199-koss-kh4020-in-ear-wired-earbuds-black](https://www.desertcart.co.za/products/48336199-koss-kh4020-in-ear-wired-earbuds-black)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-11-07*