What is the design and purpose of car radios?

Car radios are electronic devices mounted in the center console, designed to handle sound sources in a car. A typical unit consists of a control panel, housing, installation connectors, a tuner module, and circuits responsible for reading media or communicating with other vehicle systems. Depending on the version, they may work with an antenna, central display, steering wheel controls, and an additional amplifier.

What are car radios used for?

Car radios are used to receive radio signals, play music from various media, and manage basic audio functions in the vehicle. Beyond the sound itself, they affect interior usability, as they often integrate source selection, sound adjustment, and communication with other modules. Without a properly selected unit, some sound system functions or factory steering wheel controls may not work.

What is the design and function of the audio installation connector?

The audio installation connector is an intermediary element between the car radio and the vehicle's electrical system. It represents a set of pins and sockets responsible for power, ground, speaker signals, and sometimes communication with the display, amplifier, or steering wheel controls. Its compatibility determines correct installation and whether the device will work with the equipment of a specific car version.

How to select a car radio for a specific vehicle version?

It is best to compare the OEM number, front panel type, plug type, and pin layout. It is also worth checking the body version, model year, pre-facelift or facelift variant, and whether the car has an additional screen, amplifier, or steering wheel controls. When replacing with a different unit, the installation depth and mounting method in the console also matter.

What symptoms indicate a problem with the car radio or its accessories?

Typical symptoms include no sound, power loss, non-responsive buttons, media reading issues, or lack of communication with the display. The cause may be the device itself, but also a damaged plug, antenna, wiring harness, or a connected module. Therefore, before purchasing a replacement, it is worth verifying not only the radio but also the components connected to the audio installation.

What data should be considered when buying a used car radio?

The most important factors are the OEM part number, interchangeable numbers, brand, condition, and compatibility with the vehicle's equipment version. It is also good to compare the button layout, panel appearance, connector type, and any module markings. Such information makes it easier to match parts without guesswork and helps avoid mounting discrepancies.

Car Stereos & Head Units

Make

Genuine Caliber RMD035 Car Radio Stereo Audio Player Bluetooth USB AUX Head Unit

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. E90-ANDROID-2

BMW E84 E90 Infotainment Media System Unit 9" Screen GPS Android CarPlay

€89.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7023B-1

Head Unit Sat Nav iMars Infotainment Navigation 7" Touchscreen Bluetooth 7023B

€189.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. LINK24874

Seat Ibiza Mk4 Erisin Car Radio Head Unit GPS Android CarPlay 7" LINK24874

€237.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7023B

Head Unit Sat Nav iMars Infotainment Navigation 7" Touchscreen Bluetooth 7023B

€94.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A3-8P-ATOTO

Audi A3 8P ATOTO Android Multimedia Car Audio Radio Touchscreen 7"

€113.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. E90-ERISIN

BMW E90 Erisin ES2881E Media System 8" Screen GPS Android Auto CarPlay

€189.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. XTA372C-1

Audi A3 8P Junsun XTA372C Multimedia Car Audio Radio Android Touchscreen 7"

€237.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. AVIC-F310BT

Pioneer AVIC-F310BT CD Player Navigation GPS Sat Nav Head Unit TFT Screen 4,3"

€113.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. KD-R331

JVC KD-R331 Car Radio Stereo CD MP3 AUX Bluetooth Audio Player Head Unit

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. MEX-N6001BD

Genuine Sony MEX-N6001BD Bluetooth USB Stereo Audio Player Head Unit

Product currently unavailable

Part no. DPX-7000DAB

Kenwood DPX-7000DAB Car Radio Stereo CD MP3 FM DAB+ USB Audio Player 4x50 W

Product currently unavailable

Part no. AVH-A210BT

Genuine Pioneer AVH-A210BT CD DVD AUX iPhone Bluetooth Stereo Audio Player

Product currently unavailable

Part no. XAV-AX8050D

Genuine Sony XAV-AX8050D Android CarPlay Stereo Audio Player Head Unit

Product currently unavailable

Part no. MEX-N4300BT

Genuine Sony MEX-N4300BT Bluetooth USB Stereo Audio Player Head Unit

Product currently unavailable

Part no. KDC-BT430U

Kenwood KDC-BT430U Bluetooth Car Radio Stereo CD USB FM Audio Player

Product currently unavailable

Part no. AVH-X3500DAB

Genuine Pioneer AVH-X3500DAB CD DVD Bluetooth Upgrade Head Unit Player Stereo

Product currently unavailable

Part no. CDE-136BT

Genuine Alpine CDE-136BT CD MP3 AUX Bluetooth Car Radio Audio Media Player

Product currently unavailable

Part no. AVH-Z2000BT

Genuine Pioneer AVH-Z2000BT CD DVD AUX iPhone Bluetooth Stereo Audio Player

Product currently unavailable

Part no. XTA372C

Audi A3 8P Junsun XTA372C Multimedia Car Audio Radio Android Touch Screen 7"

Product currently unavailable

Part no. DMX8020DABS

Kenwood DMX8020DABS Car Radio Stereo 7" Screen iPod iPhone Bluetooth Player

Product currently unavailable

Part no. CDX-G1200U-1

Genuine Sony CDX-G1200U CD MP3 USB Stereo Audio Radio Player Head Unit

Product currently unavailable

Part no. D5165-1

Eonon 7" GPS Sat Nav Navigation BMW E92 Head Unit Touchscreen DVD Bluetooth

Product currently unavailable

Part no. EONOND5124F

Eonon D5124F Head Unit GPS Sat Nav Navigation BMW E39 X5 E53 7" Touchscreen

Product currently unavailable

Part no. DEH-X9600BT

Genuine Pioneer DEH-X9600BT Bluetooth USB AUX CD Audio Player 1 DIN BMW E93

Product currently unavailable

Part no. D5165

Eonon 7" GPS Sat Nav Navigation BMW E92 Head Unit Touchscreen DVD Bluetooth

Product currently unavailable

Part no. AVH-X490DAB

Genuine Pioneer AVH-X490DAB CD DVD AUX iPhone Bluetooth Stereo Audio Player

Product currently unavailable

Part no. CDX-R3350C

Genuine Sony CDX-R3350C CD MP3 Stereo Audio Radio Player Head Unit

Product currently unavailable

Part no. MVH-X580DAB

Genuine Pioneer MVH-X580DAB Bluetooth USB AUX Audio Player Front Face Panel

Product currently unavailable

Part no. SPH-10BT

Genuine Pioneer SPH-10BT USB Bluetooth iPhone Android Stereo Audio Player 1 DIN

Product currently unavailable

Part no. MEX-N4100BT

Genuine Sony MEX-N4100BT Bluetooth USB Stereo Audio Player Head Unit

Product currently unavailable

Part no. XAV-AX3005DB

Sony XAV-AX3005DB Bluetooth DAB USB MP3 Stereo Audio Player Head Unit

Product currently unavailable

Part no. KD-X372BT

Genuine JVC KD-X372BT Car Radio Stereo MP3 Audio Player Bluetooth Head Unit

Product currently unavailable

Part no. KENWOODDPX405BT

Kenwood DPX405BT Car Radio Stereo CD MP3 FM AUX USB Audio Player 4x50 W

Product currently unavailable

Part no. MEX-BT3700U

Genuine Sony MEX-BT3700U CD Bluetooth USB Stereo Audio Player Head Unit

Product currently unavailable

Part no. JSD-3001

JSD-3001 MP5 Player Head Unit Stereo Audio DVR Rear View Player 4.1" IPS Screen

Product currently unavailable

Part no. MT2108

Genuine Mutant MT2108 Car Radio Stereo CD MP3 WMA Audio Player Head Unit

Product currently unavailable

Part no. DEH-X7800DAB

Genuine Pioneer DEH-X7800DAB Radio Player CD Bluetooth DAB USB AUX Audio

Product currently unavailable

Part no. H260DBi

PURE Highway H260DBi Car Radio Stereo MP3 DAB AUX USB Audio Player

Product currently unavailable

Part no. KMM-BT504DAB

Kenwood KMM-BT504DAB Car Radio Stereo MP3 FM AUX USB Audio Player

Product currently unavailable

Part no. SPH-DA160DAB

Genuine Pioneer SPH-DA160DAB Radio Player 6,8" Bluetooth DAB USB AUX Audio 2 DIN

Product currently unavailable

Showing 1-41 of 41 products

Car Stereos & Head Units

In the Global Parts automotive store, you will find a wide selection of used car parts, compatible with brands such as Unbranded, BMW, Mercedes, and others. Car radios are interior equipment components mounted in the vehicle's center console, responsible for audio playback and integration with the audio system and selected onboard functions. Depending on the vehicle version, they may support FM radio, CD players, AUX inputs, Bluetooth, steering wheel controls, or integration with a central display.

Design and purpose of car radios

Car radios are electronic devices integrated with a front panel, mounting housing, power and speaker connectors, and modules responsible for signal reception and media handling. A typical unit is installed in the dashboard and works with the antenna, speakers, vehicle wiring, and sometimes a cockpit display. When selecting a part, it is recommended to base your choice on the OEM number, pin layout, plug type, and equipment version.

Comparison of car radio variants

Radio type	Characteristics	What to check before purchase
Factory basic	A simple audio module designed for radio operation and basic sound sources, usually without extensive screen integration.	OEM number, connector type, button layout, console panel compatibility.
Factory advanced	A version compatible with more vehicle functions, often featuring a display, steering wheel controls, or additional audio modules.	Pre-facelift/facelift version, coding requirements, compatibility with vehicle wiring and equipment.
Aftermarket unit	A device with a wider range of functions, installed in place of the factory radio, depending on the car using adapters or mounting frames.	Mounting format, adapter harness, button support, and audio system compatibility.

Functions and components in the audio system

The car radio is used to control the sound source and transmit the signal to the speakers or other audio path components. In practice, this involves working with components such as Speakers, Amplifiers, or Subwoofers, if the specific vehicle version uses a more advanced sound system. When choosing a component like an eonon radio, it is important to compare the mounting method, power connectors, audio outputs, and compatibility with the equipment already installed in the car.

Selecting a car radio for vehicle version and equipment

The audio installation connector is a set of pins and sockets responsible for powering the device, transmitting the signal to the speakers, and communicating with additional modules. Differences in plugs, pin arrangements, and coding methods are significant when swapping between equipment versions, so you should compare the OEM number, interchangeable numbers, and front panel layout. For parts such as a VW Passat B6 navigation CD drive, you must additionally check the media compatibility with the device generation and software region. When completing a repair for a specific model, e.g., eonon e39, it is worth verifying the frame shape, installation depth, and the type of wiring present in the center console. Product pages in this category may contain information such as Brand, Condition, OEM part number, and Interchangeable numbers. This data is useful for comparing parts with vehicle equipment, especially when the car radio was available in several versions differing in media support, display communication, or connection method. The system can also be supplemented with Multimedia players if you are looking for a solution with broader functionality than a classic radio. If you want to better care for electronics and other dismantled components, it is worth checking out the guide How to extend the life of used car parts?, which describes practical rules for operation and maintenance.

FAQ

Question	Answer
What is the design and purpose of car radios?	Car radios are electronic devices mounted in the center console, designed to handle sound sources in a car. A typical unit consists of a control panel, housing, installation connectors, a tuner module, and circuits responsible for reading media or communicating with other vehicle systems. Depending on the version, they may work with an antenna, central display, steering wheel controls, and an additional amplifier.
What are car radios used for?	Car radios are used to receive radio signals, play music from various media, and manage basic audio functions in the vehicle. Beyond the sound itself, they affect interior usability, as they often integrate source selection, sound adjustment, and communication with other modules. Without a properly selected unit, some sound system functions or factory steering wheel controls may not work.
What is the design and function of the audio installation connector?	The audio installation connector is an intermediary element between the car radio and the vehicle's electrical system. It represents a set of pins and sockets responsible for power, ground, speaker signals, and sometimes communication with the display, amplifier, or steering wheel controls. Its compatibility determines correct installation and whether the device will work with the equipment of a specific car version.
How to select a car radio for a specific vehicle version?	It is best to compare the OEM number, front panel type, plug type, and pin layout. It is also worth checking the body version, model year, pre-facelift or facelift variant, and whether the car has an additional screen, amplifier, or steering wheel controls. When replacing with a different unit, the installation depth and mounting method in the console also matter.
What symptoms indicate a problem with the car radio or its accessories?	Typical symptoms include no sound, power loss, non-responsive buttons, media reading issues, or lack of communication with the display. The cause may be the device itself, but also a damaged plug, antenna, wiring harness, or a connected module. Therefore, before purchasing a replacement, it is worth verifying not only the radio but also the components connected to the audio installation.
What data should be considered when buying a used car radio?	The most important factors are the OEM part number, interchangeable numbers, brand, condition, and compatibility with the vehicle's equipment version. It is also good to compare the button layout, panel appearance, connector type, and any module markings. Such information makes it easier to match parts without guesswork and helps avoid mounting discrepancies.

Summary: car radios at the Global Parts automotive store

The Global Parts offer includes car radios for many equipment configurations and many vehicle models, including parts compatible with brands such as Unbranded, BMW, Mercedes, and others. When choosing, it is worth comparing the OEM number, connectors, panel version, and components interacting with the audio installation to maintain compatibility with the vehicle's equipment. We invite you to contact us – we are here to help! For more information and interesting facts, we also invite you to visit our automotive blog.