thank you for your intervention!

My vendor lend a pair thus i doing the test me same.

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Le Radio: Eclipse CD7000 Dac 24bit
Kit Avant: CDT Audio Image Enhancement
Hp Avant: CDT Audio ES-07.2US GOLD
Sub Bass: CDT Audio ES-12SQ SVC
Ampli Hps: Soundstream Van Gogh VGA 800.2
Ampli Sub: Soundstream Van Gogh VGA 600.2
Filage Hps: Audiopipe en Argent (Hi) Cuivre (Mid, Sub)
RCA : Stinger Bullet Series SBT17 24kt Gold
Terminal, Splitter, Courant: Le Connectors
Insonorisation: B-Quiet Extreme (25ft par porte)
Protection: Voltmetre Digital in the Dash :P