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        Featuring an extremely durable construction and a folding headband for easy storage when not in use, the HD 300 is perfect for listening to music on the go. Sennheisers own transducers ensure a well-balanced sound and powerful, dynamic bass.
| Impedance | 18 Ω | 
| Frequency response (Headphones) | 18–20,000 Hz (-10 dB) | 
| Sound pressure level (SPL) | 118dB (1kHz/1Vrms) | 
| THD, total harmonic distortion | < 0.5 % (1 kHz, 100 dB SPL) | 
| Ear coupling | Over-Ear | 
| Jack plug | 3.5mm angled | 
| Cable length | 1.4m | 
| Transducer principle | Dynamic | 
| Weight | 182g | 
| Acoustics | Closed | 
       
      
        
      
     
   
  
  
 
  
  
    
    
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