AUDI 6.5" Speaker Upgrade Type 1 - HELIX Ci3 Door Woofer to Suit Various Audi Models | 3Ω m_Woofer created through an elaborate anodizing

created through an elaborate anodizing process

Enormous damping factor of 1

EQ Filter: 90 Hz / Q = 1

0 Ω Resonance frequency Fs 92 Hz Mechanical Q factor Qms 4

AUDI 6.5" Speaker Upgrade Type 1 - HELIX Ci3 Door Woofer to Suit Various Audi Models | 3Ω m_Woofer created through an elaborate anodizingOverview Car Specific Speaker Upgrade Kit This is a car specific speaker upgrade package consisting of a premium speaker and a vehicle specific mounting adapter to suit the selected vehicle. Its designed for a straightforward installation using the supplied adapter, allowing the speaker to fit the factory location without cutting or modifying the vehicle. (Some vehicles might have a different configuration; a pre check is recommended) The upgrade is