See all parts that fit your 2009 TT
Install new car stereo and retain accessory power in select 2007-2019 vehicles from Dodge, Jeep, Chrysler
Product highlights
• Provides 12-Volt accessory power (RAP)
• Used in amplified or non-amplified systems
• Retains balance and fade
• Micro-B USB Updatable
• Pre-Wired for ASWC-1 (Sold separately)
Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen
$7.99
List price $11.99
6.5" to 6.75" Speaker Mounting Adapters for select 2004-2023 vehicles from Audi, Volkswagen
$19.99
List price $33.99
Install New Speakers in select 1994-2024 vehicles from Audi, Mercedes-Benz, Chevrolet
$10.99
List price $14.99
Universal 6.5" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)
$21.99
List price $34.99
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, Android Auto
$269.99
Universal 5.25" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)
$16.99
List price $19.99
360W Peak (120W RMS) 6.5" GTO Series 2-Way Full Range Coaxial 3-ohm Car Speakers
$117.99
List price $180.00
800W Peak (100W RMS) 6.5" Stage1 Series 2 Way Coaxial 4-ohm Speakers
$49.95
List price $89.95
Axxess CHTO-03 Manual
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(newest, current model)
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(previous model, replaced by Axxess CHTO-03 Wiring Interface)
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(previous model, replaced by Axxess AXDI-CH13)
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Please use our Fitment Guide to determine specific compatibility for the submodel and audio features
The vehicle you have selected 2009 Audi TT is not compatible. Change vehicle or See list of compatible similar products
6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera
$329.99
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$349.99
List price $420.00
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$329.95
List price $349.95
150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers
$79.95
List price $109.95
6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)
$599.99
List price $750.00
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
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• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
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• Plug-and-play connection
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Axxess AXDI-A12 Wiring Interface
• Wiring interface to install aftermarket stereo in select 2002-2013 vehicles from Audi
• Designed for non-amplified and amplified systems
• Provides accessory power and NAV outputs
• Retains R.A.P, balance and fade, and chimes
• Pre-wired AXSWC harness (AXSWC sold separately)
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Scosche LAI10 Wiring Interface
• Provides 12-Volt accessory power (RAP)
• Retains steering wheel control
• Micro-B USB Updatable
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PAC RadioPro RP4-AD11 Wiring Interface
• Provides 12-Volt accessory power (RAP)
• Designed for amplified and non-amplified models
• Micro-B USB Updatable
• Pre-programmed to retain Steering Wheel Controls
• Color coded wires for easy installation
• No cutting or splicing required
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iDataLink Maestro HRN-SR-VW1 Wiring Harness
• Fits select 2002-2016 vehicles from Volkswagen, Audi
• Designed for use with iDataLink ADS-MSR module (Sold separately)
• Retains accessory power, factory amplifier and steering wheel controls
• Provides navigation and illumination outputs
$24.99
List price $37.99
• Fits select 2002-2015 vehicles from Audi
• Designed for use with iDataLink ADS-MRR or iDataLink ADS-MRR2 module (Sold separately)
• Retains select factory features
• Provides navigation and illumination outputs
$79.99
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Crux SWRAD-55 Wiring Interface
• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Micro-B USB Updatable
• Pre-programmed to retain factory Steering Wheel Controls
• Color coded wires for easy installation
• No cutting or splicing required
$126.90
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Crux DKGM-49 Stereo Replacement Interface
• Stereo Replacement Interface with Dash Kit
• Fits select 2006-2020 vehicles from GMC, Chevrolet, Buick Vehicles
• Accommodates ISO Double DIN Mount
• Retain steering wheel controls and chime functions
(41)
$129.60
List price $201.60
• Direct connection to the factory radio harness
• Color coded wires for easy installation
• No cutting or splicing required
(97)
$5.99
List price $6.99
Manufacturer:
Model Number:
CHTO-03
Weight:
0.50lbs
Internal SKU:
chto03
Internal Product ID:
13634
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great product
Would recomend this product as it makes installation much easier and cleaner.
24 found this helpful
Plug&Play, yes, really!
Bought CTHO-03 to fit a new Alpine dash am/fm/cd in place of the 2007 JK Wrangler factory radio. Worked from the first time, i just followed the wiring instructions that came with the CHTO-03. Balance, Fade work fine but the independent volume control for the factory subwoofer is lost now. General sound quality is same as the factory radio.
24 found this helpful
Great wire harness
Great harness to ease the installation of a after market h.u to a factory amp. Install took less than 15 minutes and was as easy as 1 2 3
21 found this helpful
Great product
I needed that box to change my OEM radio for an after market. Installed on a Jeep Grand Cherokee 2008 with Boston Acoustic audio system. Easy to plug, very convenient, and sound is very great.
20 found this helpful
Great value
Due to my vehicle (07 Dodge Nitro) which has a factory pre-amplified system, it did make wiring together a little difficult but, I took my time and read all instructions several times as i wired it together and I was successful in installing this correctly. The reason I gave a 3 star on the ease of use is only because of the above (pre-amplified vehicle) The instructions for none pre-amplified systems looked a whole lot easier! Please don't be discouraged by this review. This harness works well....
11 found this helpful
320W Peak (60W RMS) 6.5" TS Series 2 Way Coaxial 4-ohm Marine Speakers with White Grilles
(9)
$119.99
List price $130.00
20 oz Polyfil Stuffing For Subwoofer Enclosure Box (Polyester Fiber Fill, Poly-Fil)
(26)
$6.99
List price $9.99
Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen
(22)
$12.99
List price $14.95
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
