Hi Fidelity Loudspeakers & Service




  • DQ-20i Gold plated binding posts



  • DQ-20 Gold plated binding posts


  • DQ-20 Internal wiring upgrade kit


  • DQ-20i Internal wiring upgrade kit
  • DQ-20 Polycapacitor upgrade kit


  • DQ-20i Polycapacitor upgrade kit

*NOTE: When ordering upgrade kits, please be knowledgeable on the exact model of ownership -

DQ-20 or DQ-20i. The upgrade kits are designed for the specific model.

  • DQ-20i Polycapacitor upgrade kit
  • DQ-20i Internal wiring upgrade kit
  • DQ-20i Gold plated binding posts
  • Woofer sealant gasket putty

DQ-20i Upgrade Kit Package:

DQ-20 Upgrade Kit Package:

  • DQ-20 Polycapacitor upgrade kit
  • DQ-20 Internal wiring upgrade kit
  • DQ-20 Gold plated binding posts
  • Woofer sealant gasket putty

Upgrade Kits

The following upgrade kits are available at our online store:


DAHLQUIST DQ-20 / DQ-20i

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DAHLQUIST SPEAKER SERVICE