- Lightweight, Collapsible Design
- Titanium-Coated Diaphragms
- NdFeB Magnet Structures
- OFC Voice Coils
- Around-Ear Leatherette Cushions
- Self-Adjusting Headband
- Gold-Plated 3.5mm Plug
- Limited Lifetime Warranty
     The UR40 stereo headphones from Koss provide high-quality sound in a lightweight design. The headphones are collapsible, ideal for travel. The headphones feature dynamic drivers with titanium-coated diaphragms to minimize distortion and provide exceptionally accurate sound reproduction. NdFeB magnet structures deliver high volume levels, even from low-power sound sources, while OFC voice coils improve conductivity for clean, clear sound. 
 
 The self-adjusting headband accommodates virtually any head size, while the around-ear leatherette cushions create a seal around the ear for terrific comfort and bass response. The open-back earcups provide a hear-through sound that provides natural audio and allows you to hear your environment. The attached cable is 8' long to provide plenty of slack, and has a gold-plated 3.5mm stereo mini plug to provide wide compatibility with MP3 players, CD players, and more. The plug is angled to provide strain relief. 
       - The attached cable is 8' long to provide plenty of slack, and has a gold-plated 3.5mm stereo mini plug to provide wide compatibility with MP3 players, CD players, and more. The plug is angled to provide strain relief.
 - Collapsible design, ideal for travel
 - Dynamic drivers with titanium-coated diaphragms minimize distortion and provide exceptionally accurate sound reproduction
 - NdFeB magnet structures deliver high volume levels, even from low-power sound sources
 - OFC voice coils improve conductivity for clean, clear sound
 - Self-adjusting headband accommodates virtually any head size
 - Around-ear leatherette cushions create a seal around the ear for terrific comfort and bass response
 - Open-back earcups provide a hear-through sound that provides natural audio and allows you to hear your environment
 - Standard Y-style cable is 8' long to provide plenty of slack
 - Gold-plated 3.5mm stereo mini plug provides wide compatibility with MP3 players, CD players, and more, and is angled to provide strain relief
     UPC: 021299147801 
         | Type | Around-Ear, Open-Back, Dynamic | 
  | Frequency Range | 15 Hz - 22 kHz | 
  | Impedance | 60 ohms | 
  | Sensitivity | 98 dB | 
  | Maximum Input Power | Not Specified by Manufacturer | 
  | Connectors | Gold-Plated Right-Angled 1/8" (3.5 mm) Stereo Mini Plug | 
  | Cable Length | 8' (2.4 m) | 
  | Weight | 5.4 oz (53.1 g), including cable | 
  
    | Packaging Info | 
  | Package Weight | 0.7 lb | 
  | Box Dimensions (LxWxH) | 8.6 x 8.1 x 3.6" | 
  
           In the Box
   Koss UR40 Collapsible Stereo Headphones
    - Limited Lifetime Warranty
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