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Kenwood eXcelon KDC-X300

Single DIN Bluetooth In-Dash CD/AM/FM Car Stereo w/ Siri Voice Control, Android USB Rapid Charge, Pandora/iHeartRadio

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List price $169.99

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Arrives by Friday, Oct. 28 to zip 94107

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10% off Steering Wheel Control Adapter With Stereo Purchase*

* Get 10% Off an Axxess ASWC-1 Universal Steering Wheel Control Interface with purchase of a select car stereo! This unit allows you to retain your steering wheel controls after installing your new stereo! This offer cannot be combined with any other coupons or offers.




Kenwood eXcelon KDC-X300



10% OFF

Axxess ASWC-1


Special Price $46.79 ($51.99 if purchased separately)

Axxess ASWC-1

• Automatically Programs Itself to the Vehicle and the Aftermarket Stereo
• Easy to Install
• No Manual Programming Needed

(Offer 1 of 1)

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You Save $5.20

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General Features:

  • Kenwood KDC-X300 In-Dash Receiver
  • Power Output:
    • Peak: 50 watts x 4 channels
    • RMS: 17 watts x 4 channels
  • Theft-deterrent, detachable face plate: Optional Receiver Faceplate Case Available
  • CD text information display
  • AM/FM tuner with 18FM/6AM presets
  • Variable Color Illumination
  • Pandora App Ready (iPhone)
  • iHeartRadio App Ready (iPhone)
  • Dual Phone Connection
  • Siri Eyes Free Capable
  • Android Rapid Charge and Music Playback
  • Drive EQ
  • FLAC Support
  • Spanish Menu option
  • Wireless Music Browsing
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Playback and Audio Features:

  • CD/CD-R/RW , MP3/WMA/AAC Playback
  • MP3/WMA/AAC/FLAC Playback via USB
  • Compatible with Apple iPhone 6/6+ and iOS 8 software
  • 13-band graphic equalizer with 7 selectable tone curves (6 Preset, 1 User)
  • 3.5mm Front Audio Auxiliary Input
  • Front USB Input
  • 3 Sets of 4V preamp outputs (front, rear and subwoofer)

Bluetooth Features:

  • Built-in Bluetooth technology for hands-free talking and audio streaming
  • Bluetooth version 2.1+EDR certified
  • Bluetooth Profiles Supported:
    • HFP: Hands Free Profile allows a hands-free car kit to connect to a compatible mobile phone
    • PBAP: Phone Book Access Profile allows the car stereo to display the name of the incoming caller, as well as access the contact list of the mobile phone directly from the car stereo
    • A2DP: Advanced Audio Distribution Profile allows high quality audio to be streamed from an audio device to the car stereo
    • AVRCP: Audio/Video Remote Control Profile supports basic remote control functions (play, pause, etc) via Bluetooth
    • SPP: Serial Port Profile provides a wireless replacement for RS-232 based serial communications
  • Works with most Bluetooth enabled cell phones
  • Includes a (external wired/built-in) microphone for clear, convenient, distortion-free talking
  • Maximum communication rage: 32.8 feet (approx, line of sight)

Expandability Options:

Check out the KDC-X300 User Manual

Product History:

Kenwood KDC-X300 thumbnail
(newest, current model)
Kenwood KDC-X399 thumbnail
(previous model, replaced by Kenwood eXcelon KDC-X300)

In-Dash Receiver Specifications

Receiver Size

Single DIN: 1 DIN dimensions will work with all single DIN installation kits we have to offer. Single DIN radios are the most common size for after-market stereos.

Single DIN slot with flip-out screen: The DIN stereo includes a retractable, flip-out screen. Before purchasing, make measurements to be sure there is no interference with dash accessories such as A/C vents or shift levers.

Single DIN slot with a larger face: Standard single DIN size, but the display is larger then the standard single DIN size. Due to the nature of the larger face, problems may arise when installing in particular vehicles. These stereos are great for single DIN slots where you want a larger screen.

1.5 DIN: This size is very uncommon in vehicles, however this size opening is most commonly found in Chrysler and Chevrolet vehicles.

Double DIN: Approximately 4-inches in height, this size is becoming more common every year. Prior to 2000, this size was typically only found in Japanese vehicles such as those made by Honda or Toyota. Now, it is becoming more popular for many vehicles to be fit with a Double DIN opening.

Single DIN
Faceplate Security

Detachable / Removable faceplate security: The most common anti-theft feature. It allows you to take the faceplate with you, thus disallowing operation, which deters theft.

Security Codes: Mainly a feature in high end video units which do not have a detachable face / screen. Once the unit is uninstalled (or stolen), a security code (or PIN) is required upon reinstallation. Though you no longer have your unit after the theft, the thief also does not have your security code, which makes the unit useless. The hope is the thief knows which units have security codes and he/she chooses not to steal your unit because of the security code.

Ghost technology: This is not commonly used, but can be found primarily in a select number of 2004-2005 head units. It creates an illusion that no unit is installed by appearing completely black when turned off. Potential thieves may steer clear because it appears as though no head unit is installed.

Anti-theft covers: Similar to ghost and hiding faces because they only create an illusion that the face/unit is not in place.

ESN: Stands for Electronic Serial Number. Allows the disabling of the radio and allows tracking if it is stolen.

Peak Power Output
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison.

50 watts x 4 channels
RMS Power Output
The amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS rating, the louder and cleaner your music sounds. The RMS output figure is much more accurate than the peak rating when comparing products.
17 watts x 4 channels
Preamp RCA Outputs
RCA outputs, commonly known as preamp outputs, allow you to connect one or sometimes multiple external amplifiers. An in-dash receiver will commonly have one, two or three sets of RCA outputs that can be used to connect external amplifiers and other components. One pair of RCA outputs will typically provide a full range signal that can be used for most subwoofer or speaker amplifiers. Two pairs of RCA outputs can typically be configured as four full range signals, or also as two full range and two subwoofer signals. Three sets of RCA outputs will almost always produce four speaker signals and two subwoofer signals for use with multiple amplifiers.
3 Pairs (Front, Rear, and Subwoofer)
Dedicated Subwoofer Preamp RCA Output
A dedicated output that has a built-in low-pass crossover for specific connection to a subwoofer amplifier that powers a low frequency driver, typically a subwoofer.
Preamp Voltage
The preamp output rating is measured in volts (V). The higher the rating, the stronger the signal. This results in less unwanted noise being picked up.
4 volts
Built-In Equalizer
The number of graphic or parametric equalizer bands the stereo receiver is equipped with. The more EQ options, the more you will be able to adjust your music to your liking.
13-band graphic

Playback Features

AM/FM Tuner
Most in-dash CD players have AM/FM playback allowing you listen to your favorite local radio stations.
FM Presets
The number of FM radio stations that can be stored as presets.
AM Presets
The number of AM radio stations that can be stored as presets.
CD-R/RW Playback
This feature refers to whether or not the CD player will play finalized CD-R discs and/or CD-RW discs.
MP3 Playback
This feature refers to whether or not the CD player will play discs encoded with MP3 files. To burn a MP3 encoded disc, use the "data" mode on your CD Recorder and finalize the session and/or CD.
WMA Playback
This feature refers to whether or not the CD player will play discs encoded with WMA files. To burn a WMA encoded disc, use the "data" mode on your CD Recorder and finalize the session and/or CD.
Hi-Res Audio Compatible
This feature refers to if the product is capable of Hi-Res Audio (HRA) playback.

Audio / Video Inputs

USB Input
This feature refers to whether or not the receiver features an input to connect a USB device via standard USB or mini-USB. The USB input may be a connection on the front or rear of the unit with an extension cable for connecting devices to the receiver. Some units have an optional input that allows for a USB adapter to be purchased separately and used with the unit.
Additional Audio/Video Inputs
These inputs enable the unit to receive an audio or video signal from a separate source. There are many different types of connections and ways to accomplish this. Most common are RCA Composite cables and 3.5mm mini-jack plugs.

RCA Composite Inputs
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.

This is commonly referred to as a mini-jack or a headphone jack. It is a 3.5mm plug that transfers audio only. There is a right and left audio channel on the plug which allows for stereo sound playback.

3.5mm AV Input
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 a unit that might restrict the use of other expandability features. These accessories are typically sold separately.

Front 3.5mm Audio Input

Expandability Features

Compatible Smartphones
Some stereos work with iOS (Apple) or Android smartphone operating systems, while some stereos work with both or neither. Find out here which operating systems this stereo is compatible with.
iPhone (iOS)
Bluetooth Connectivity
This feature refers to whether or not the head unit is able to connect to a hands-free Bluetooth device. Head units that are Bluetooth ready typically require the purchase of an optional adapter or accessory that connects to the rear of the head unit. This optional accessory allows you to accept phone calls through your head unit and speakers. Some head units have built-in Bluetooth hands free capabilities with an included remote-mount microphone or built-in microphone.
A2DP Music Streaming
The Advanced Audio Distribution Profile will wirelessly stream music and other audio from an A2DP compatible device.
Steering Wheel Control Compatible
In order to retain a vehicle's factory steering wheel remote controls, a wired-remote input is needed on the aftermarket stereo.

If "Yes", then the aftermarket stereo is compatible with steering wheel remote controls. If an additional accessory is required for the steering wheel controls to work properly, a compatible piece will be listed.


Smartphone Integration

iPhone/iPod Features
Head units are equipped with different technology that allows a variety of smartphone integration features. Some stereos are equipped with more features than others, here you will find which iPod/iPhone features this head unit has.
iPhone 5 Compatible
iPhone 6 Compatible
Siri Control
Pandora Control
Compatible Apple Devices
This list refers to the Apple devices that the product is compatible with.

Some Car stereos are compatible with iPods and/or iPhones. If the headunit can connect to an iPod or iPhone via USB or iPod connection cable, these listed iPods are compatible. This list does not apply if the iPod is being connected through the 3.5mm mini-jack plug. Newer iPods are usually compatible if the appropriate adapters are purchased and used.

Any iPods/iPhones released after the release date of this product have not been checked by the manufacturer and/or Sonic Electronix for compatibility. We therefore cannot guarantee their compatibilities or incompatibilities, including, but not limited to: playback, video, charging, and response time.

iPod Classic (120GB)
iPod Classic (80 &160GB)
iPod Nano 3rd Generation (4 & 8GB)
iPod Nano 4th Generation (8 & 16GB)
iPod Nano 5th Generation (8 & 16GB)
iPod Nano 6th Generation (8 & 16GB)
iPod Nano 7th Generation (16GB)
iPod Touch 2nd Generation (8, 16 & 32GB)
iPod Touch 3nd Generation (8, 32 & 64GB)
iPod Touch 4th Generation (8, 32 & 64GB)
iPod Touch 5th Generation (16, 32 & 64GB)
iPhone 3G
iPhone 3GS
iPhone 4
iPhone 4S
iPhone 5
iPhone 5C
iPhone 5S
iPhone 6
iPhone 6 Plus
Android Features
Head units are equipped with different technology that allows a variety of smartphone integration features. Some stereos are equipped with more features than others, here you will find which Android features this head unit has.
Pandora Control
Audio Playback

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating


Los Angeles, CA

Works Great!

October 16, 2016

I would definitely recommend this product, it sounds and looks great!

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Fort worth, tx

Best sounding head unit I've ever used

August 19, 2016

Had a boss that lasted a whole 6 months, sound was terrible and had trouble connecting to my Android. The Kenwood connects perfectly to my phone, and even the Bluetooth sound reproduction is amazing! The price was fantastic and the service and shipping from Sonic Electronix was top notch!

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Awesome unit at a great price.

May 9, 2016

This a great head unit for the price. It looks great and works flawlessly. Ive allways used panasonic or pioneer and never thought of trying a kenwood. Im very pleased with my purchase and i highly recommend this product.

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Bakersfield, CA

Love this deck!!!

April 11, 2016

Bought this deck close to 1month ago. Use to have a Sony deck but wanted to upgrade, never had a kenwood before so I decided to purchase it. Best decision I ever made!!! The only bad thing is I have a eq and the deck and eq is too powerful so it's making a static air noise when listening to the radio or USB. More then likely Ima disconnect the eq, eq is not needed if ur deck can push out 3 volts or more.

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clarkesville, GA

great radio

April 3, 2016

great value and great radio easy to install no hassle

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Accessory Tools and Products

Accessories added

PAC ControlPRO SWI-CP5 Steering Wheel Control Interface

Steering Wheel Control Interface for Alpine, JVC, Clarion, Kenwood, Pioneer, Sony, Jensen Radios and More

Your Price $64.95

Axxess ASWC-1

Universal steering wheel control interface with automatic programming

Your Price $51.99

6 Ft. 3.5mm to 3.5mm Aux Cable (Black)

2 meter (6 feet) Aux to Aux Cable Connector, Great for iPod / MP3 Player headphone jack connection to car stereo aux input.

Your Price $4.99

Scosche TK12 Car Stereo Installation Kit

Includes panel removal tool, wire cutter/stripper, test light, RCA cable runner, screwdriver, and more!

Your Price $18.99

18 Butt Connectors, 2 Ring Terminals, and Zip Ties

Great for connecting your car stereo wires to the harness.

Your Price $4.99

SoundKase DFC1X

Soft-Sided Nylon Receiver Faceplate Case

Your Price $7.97

Scosche SPL Meter

Monitor the noise level of your new car audio system with this SPL meter measuring from 60-135 dB.

Your Price $21.99

Browse 1 question and 2 answers
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Why did you choose this?
Sonic Electronix Store
4v preouts at under $200, can't beat that.
Arthur T on Sep 3, 2016
boat radio
Roger P on Jun 12, 2016

Product Summary


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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Kenwood eXcelon KDC-X300