Description
OEM numbers 4F0035223 and 4F0910223B, Audi, Audi A6 C6 4F, MMI Basic MOST audio amplifier ASK, genuine used and tested.
This amplifier connects to the MOST optical bus of the A6 C6 and amplifies the audio signal for the factory loudspeaker system in vehicles fitted with the MMI Basic unit, providing the power output stage for the audio system and routing the processed signal to the cabin speakers.
Failure causes a loss of audio output from the factory speaker system, reduced volume, distortion, or MOST bus errors in the MMI that may prevent other connected components from operating correctly alongside the audio failure.
Supplied in good used condition, confirmed against OEM numbers 4F0035223 and 4F0910223B before dispatch. Fits Audi A6 C6 4F with MMI Basic. Professional installation is recommended. Coding may be required. 14-day return policy applies.
Returns accepted only for genuine faults — faulty on arrival, not as described, or wrong part supplied — requested within 14 days, with all 3 anti-tamper stickers intact. No returns for change of mind, incorrect installation, coding/programming, or buyer compatibility errors; checking compatibility (OEM number, firmware, vehicle) is the buyer’s responsibility. Full policy: https://giantparts.eu/refund-and-returns/









