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Audi MOST Harman Sound Amplifier
Part with Component Protection
We can prepare an amplifier for your car and remove the component protection; you will simply need to send us your amplifier—even if it is damaged.
Additionally, we offer full repair services for existing units, including those with water damage. Repair costs for faulty units typically range from £150 to £650, depending on the extent of the damage. In our experience, repairing the original unit is often nine out of ten times less expensive than purchasing a replacement.
For a personalised quote, please contact us at info@vagtec.co.uk or via WhatsApp at +44 777 33 666 44.
⚠️ IMPORTANT NOTE:
This unit has Component Protection enabled. It requires removal by an authorized Audi dealership or an independent Audi specialist equipped with ODIS online functionality to activate all features in your vehicle.
Part number : 4N0035223 / 4N0 035 223
Part number : 4N0035223A / 4N0 035 223 A
📑 Product Overview
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- Product Name: Genuine VAG Radio Infotainment Audio Amplifier & Booster Module
- Alternative Description: Infotainment MIB AMP GEN2 Unit / Sound System Module
- Primary OEM Manufacturer: Harman Becker Automotive Systems
- Production Status: Active OEM Factory Replacement Component
- Product Name: Genuine VAG Radio Infotainment Audio Amplifier & Booster Module
⚙️ Technical & Electrical Data
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- Amplification Topology: Multi-Channel Class-D High-Efficiency Digital Layout
- System Audio Level: Standard Premium Sound Layout (specifically engineered for setups without the advanced high-end luxury 3D surround array).
- Infotainment Generation Compatibility: Configured for the specialized MIB3 (Modular Infotainment Matrix 3) high-network platform.
- Audio Interconnect Protocol: Automotive Ethernet / MOST Digital Bus Link (pure network audio communication to prevent engine hum or line noise).
- Sound System Profile: Drives multi-channel arrays including mid-ranges, door tweeters, and active bass subwoofers.
- Operating Voltage Range: 9.0V DC – 16.0V DC (Standard 12V Nominal automotive grid).
- Cooling Infrastructure: Passive thermal management via an integrated heavy-duty die-cast aluminum heat-sink chassis.
Compatible Vehicles
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Typically applies to premium VAG platforms ranging from model years 2019 to 2026:
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- Audi A6 / S6 / RS6 Avant (C8 / 4K Chassis): Models without advanced high-end audio layouts.
- Audi A6 Allroad: Direct chassis placement integration.
- Audi A7 / S7 / RS7 Sportback: Mid-tier factory multi-speaker systems.
- Audi A8 / S8 (D5 Flagship Chassis): Standard premium configurations.
- Audi Q8 / SQ8 / RSQ8: Base premium sound models (built up to early product revisions).
- Audi e-tron / e-tron Sportback (GEN series): Active electric powertrain integrations
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Package Contents:
- Amplifier Unit
Brand Information
- Audi
- A6, A7, A8, Q8
- A6 - 4A (2018-2024), A6 – FN (2025- ), A7 - 4K (2018 - ), A8 - 4N (2017 - ), Q8 - 4M (2019 - )
Special prices only for trade customers.
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