Description

Genuine Audi Bang & Olufsen Premium Audio Amplifier

Genuine OEM Audi Bang & Olufsen premium sound system amplifier, part number 8T0 035 223 AP.

This amplifier was manufactured by Lear for Audi and operates as part of the factory Bang & Olufsen premium audio system.

OEM Part Number

8T0 035 223 AP

Also written as:

• 8T0035223AP
• 8T0-035-223-AP
• 8T0 035 223AP
• 8T0035223 AP

Manufacturer

Lear Corporation

Audio System

Bang & Olufsen Premium Sound System

Part Type

Audio Amplifier / Sound System Amplifier / DSP Amplifier

Vehicle Fitment

Fits select factory Bang & Olufsen-equipped applications including:

Audi A4

• 2009 Audi A4
• 2010 Audi A4
• 2011 Audi A4
• 2012 Audi A4

Audi S4

• 2010 Audi S4
• 2011 Audi S4
• 2012 Audi S4

Audi A5

• 2008 Audi A5
• 2009 Audi A5
• 2010 Audi A5
• 2011 Audi A5
• 2012 Audi A5

Audi S5

• 2008 Audi S5
• 2009 Audi S5
• 2010 Audi S5
• 2011 Audi S5
• 2012 Audi S5

Audi Q5

• 2009 Audi Q5
• 2010 Audi Q5
• 2011 Audi Q5
• 2012 Audi Q5

May also fit additional Audi B8-platform applications using the same factory amplifier configuration.

Exact compatibility depends on vehicle production date, factory sound system and original amplifier number.

Compatible / Superseded Part Numbers

Related Audi amplifier numbers include:

• 8T0 035 223 AJ
• 8T0035223AJ
• 8T0 035 223 AP
• 8T0035223AP
• 8T0 035 223 AR
• 8T0035223AR

Audi later superseded the AP amplifier with 8T0 035 223 AR.

Please verify the original part number and factory audio system before ordering.

Bang & Olufsen Premium Audio System

This amplifier is designed for Audi vehicles equipped with the factory Bang & Olufsen premium sound system.

The amplifier processes and amplifies audio signals for multiple speakers throughout the vehicle.

Factory audio functions include:

• Multi-channel speaker amplification
• Digital sound processing
• Factory radio integration
• Bang & Olufsen speaker-system control
• Vehicle-specific audio equalization
• Front and rear speaker output
• Center-channel audio
• Subwoofer output
• Factory volume and sound controls

Actual speaker configuration depends on the vehicle’s factory equipment.

Important Fitment Information

Audi used several different amplifier versions that can appear physically similar.

This amplifier is specifically identified by:

8T0 035 223 AP

Please verify:

• OEM part number
• Electrical connectors
• Factory Bang & Olufsen system
• Vehicle model
• Vehicle year
• Vehicle production date

before ordering.

Exact part-number matching is strongly recommended.

Component Protection / Programming

Audi audio amplifiers can be protected by the vehicle’s Component Protection system.

A replacement amplifier may require Component Protection removal and vehicle-specific configuration after installation.

Programming may require Audi-compatible diagnostic equipment.

A replacement amplifier may produce limited or no audio until the required vehicle configuration has been completed.

Professional installation and programming are recommended.

Condition

Used Genuine OEM Audi / Lear Part

This is an original previously installed factory electronic component.

Normal cosmetic signs of previous use may include:

• Light scratches
• Surface marks
• Dust
• Label wear
• Installation marks
• Minor cosmetic wear

Please inspect the product photographs carefully for representative condition.

The item shipped will be a matching OEM unit with the same part number and comparable used condition.

Common Failure Symptoms

A failing Audi Bang & Olufsen amplifier may cause:

• No sound from speakers
• Radio operates but no audio
• Audio cuts in and out
• Intermittent sound
• Only some speakers operating
• Distorted audio
• Crackling or popping sounds
• Loss of individual audio channels
• Amplifier overheating
• Audio system shutting down
• Complete premium sound system failure

Proper vehicle diagnosis is recommended before replacing the amplifier.

Amplifier Location

The factory amplifier is mounted in the rear luggage/trunk area of compatible Audi vehicles.

Location may vary slightly depending on body style.

The surrounding area should be inspected for moisture or water intrusion before installing a replacement amplifier.

Installation

Factory-style replacement amplifier for compatible Audi applications.

The unit connects to the vehicle’s original factory audio wiring.

Professional installation is recommended.

Replacement may require:

• Component Protection removal
• Vehicle coding
• Audio-system configuration
• Diagnostic scanning
• Sound-system parameter setup

All electrical connectors and surrounding wiring should be inspected before installation.

What Is Included

1 × Genuine Audi Bang & Olufsen Audio Amplifier

Part Number: 8T0 035 223 AP

Only the amplifier and components described in the listing are included.

Wiring harnesses, mounting brackets, speakers, radio, navigation equipment and other accessories are not included unless specifically stated.

Warranty

Covered by the Oz’s Garage 30-Day Replacement Warranty.

Warranty does not cover damage caused by:

• Incorrect vehicle application
• Improper installation
• Electrical shorts
• Wiring faults
• Water damage
• Power surges
• Modification
• Tampering
• Physical damage after delivery

Labor, installation, diagnostic, coding, Component Protection removal, programming and related vehicle expenses are not covered.

Shipping

The amplifier will be carefully packaged to help protect the:

• Aluminum housing
• Internal electronics
• Electrical connectors
• Mounting points

during transportation.

Usually ships within 1–2 business days.

🌎 Worldwide shipping available.

International buyers are responsible for applicable customs duties, import taxes, brokerage charges and other local fees.

Why Buy From Oz’s Garage?

• Genuine OEM automotive parts
• Hard-to-find factory electronics
• Original Audi components
• Premium Bang & Olufsen audio parts
• 30-Day Replacement Warranty
• Worldwide shipping available
• Usually ships within 1–2 business days