Pioneer KEH-P4020

7in x 2in (180mm x 50mm)

Single DIN is the most common size for after-market stereos. This is also referred to as the Standard DIN size for car stereo.

This receiver size usually uses the Single DIN stereo slot and features a retractable screen which opens up to its full size.

NOTE: This may interfere with dash accessories such as A/C vents.

This receiver size usually uses the Single DIN stereo slot with an oversized faceplate.

NOTE: This may interfere with dash accessories such as A/C vents.

7in x 3in (180mm x 75mm)

A receiver size which are found in a number of 1980 and 1990 models of GM and Chrysler vehicles.

7in x 4in (180mm x 100mm)

Double DIN is fast becoming the standard receiver size for after-market stereos of today. They were popularized by Japanese made vehicles namely Honda and Toyota in 2000. They are now widely used and is currently being used in new models of Chevrolet, Chrysler and Ford vehicles.

Commonly used in standard stereos where the front panel is not concealed in anyway. It cannot be removed or detached from the main unit.

This type of Faceplate allows the owner to detach the front panel from the main unit disabling its operation and therefore acts as a deterent for theft. This is one of the most common anti-theft feature found in stereos today.

A Retractable Faceplate is a feature which allows the main display panel either to be concealed and stowed away. This type of mechanism enables Single-DIN-sized stereos to have monitors larger than 2 inches. It also acts as a security feature since it conceals prominent features of the unit inconspicuously from public eyes.

Commonly used in standard stereos where the front panel is not concealed in anyway. It cannot be removed or detached from the main unit.

Commonly used in standard stereos where the front panel is not concealed in anyway. It cannot be removed or detached from the main unit.

Commonly used in standard stereos where the front panel is not concealed in anyway. It cannot be removed or detached from the main unit.

Commonly used in standard stereos where the front panel is not concealed in anyway. It cannot be removed or detached from the main unit.

Commonly used in standard stereos where the front panel is not concealed in anyway. It cannot be removed or detached from the main unit.

The display type refers to a simple display which uses dots in a specific illuminated color(s) to light up and form the letters or numbers that are to be displayed on the receiver.

Typically found in mid- to high-end receivers and give your text information and receiver more life by adding motion, backgrounds, or multiple colors to your display. Various types of graphic displays can be 3D Graphic, Motion, and OEL (Organic Electroluminescent) displays. They can range from one color to full color displays and typically allow you to select from one of many built-in animations, background images, screensavers or other graphics to enhance your experience and add an extra bit of personality to your system. Some units also come with software that allow you to load your own customizable pictures or animations. We recommend you view the receiver's feature section to find the details about the graphic display options.

Displays include fixed 2-inch to motorized 7-inch in-dash monitors which will display full motion video playback as well as your standard text such as track status, radio station information and more depending on the receiver's features.

When more than one color is on the display, for example one part of the text is white, while the other part is blue.

The display color(s) can be changed by the user. An example would be the default color of text/display is blue, but the user can change the settings to where the color turns to red. Variable color displays typically are described in detail in the item's description and not in the specifications.

In-dash receivers with a video screen that can display multiple colors and often times video such as DVD, navigation or other video.

These are your typical red, white, and yellow RCA composite cables that are common among devices with audio and video inputs. The red and white cables are dedicated for audio. The red cable is for the right channel and the white is for the left channel. The yellow cable is specifically for the video signal. Because this type of auxiliary cable contains 2 channels of audio, it will support stereo sound.

These are RCA composite cables that just carry an audio signal. The red cable is for the right channel and the white is for the left channel. Because this type of auxiliary cable contains 2 channels of audio, it will support stereo sound.

This is commonly referred to as a mini-jack or a headphone jack. It is a 3.5mm plug that transfers audio only. There are 2 channels (right and left) of audio on the plug which allow for the sound to be played in stereo.

These plugs look similar to the common 3.5mm mini-jack, however they carry a third channel dedicated for video.

This means that an auxiliary input is possible, but only with the use of an optional accessory. These optional adapters will sometimes use the CD Changer port or other port on the back of the unit that might restrict the use of other expandability features. They are typically sold separately.

These are your typical red, white, and yellow RCA composite cables that are common among devices with audio and video inputs. The red and white cables are dedicated for audio. The red cable is for the right channel and the white is for the left channel. The yellow cable is specifically for the video signal. Because this type of auxiliary cable contains 2 channels of audio, it will support stereo sound.