Change history for item: Headphones Koss QZ50

Edit History of changes Delete item

1. Donny Darko 25 May 2023 10:28:53
   1. Create: Description #1670278
      Value: Design: on-ear, device type: wired headphones, Active Noise Cancellation ANC, acoustic design type: open, operating time: 50 h
      
   2. Create: Device type #1670279
      Value: Wired headphones
      
   3. Create: Design #1670280
      Value: Invoices
      
   4. Create: Technology #1670281
      Value: Dynamic
      
   5. Create: Active Noise Canceling ANC #1670282
      Value: There is
      
   6. Create: Minimum repeatable frequency #1670283
      Value: 30 Hz
      
   7. Create: Maximum playback frequency #1670284
      Value: 20000 Hz
      
   8. Create: Impedance #1670285
      Value: 32 ohm
      
   9. Create: Sensitivity #1670286
      Value: 98 dB
      
   10. Create: Harmonic coefficient #1670287
       Value: 0.3 %
       
   11. Create: Weight #1670288
       Value: 7.1 g
       
   12. Create: Type of acoustic design #1670289
       Value: Open
       
   13. Create: Mount type #1670290
       Value: Occipital arch
       
   14. Create: Working hours #1670291
       Value: 50 h
       
   15. Create: Additional Information #1670292
       Value: Battery type: AAA; Number of batteries: 1; Oxygen-free copper cord: yes
       
   16. Create: Image #3226650
       URL: https://avatars.mds.yandex.net/get-mpic/175985/img_id8198673600925467647/orig
       
   17. Create: Image #3226651
       URL: https://avatars.mds.yandex.net/get-mpic/1925356/img_id1257308106025477978/orig
       
   18. Create: Preview image #3226652
       URL: https://avatars.mds.yandex.net/get-mpic/175985/img_id8198673600925467647/orig
       
2. Donny Darko 28 April 2023 04:19:12
   Name: Headphones Koss QZ50; Catalog: Headphones and Bluetooth Headsets