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