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Add an auxiliary input to your factory system and connect any outside audio source to your factory stereo. Shop now!

Aux Input Adapters & Cables

By adding a 3.5mm jack or auxiliary input to your factory system you can connect any outside audio (and sometimes video) source to your factory stereo such as a portable MP3 player, portable navigation device, remote mount DVD player or other source.
3.5mm Aux Input Adapter Cables
Universal Aux Input Adapters
Aftermarket-Stereo Specific Aux Input Adapters
Aux Input Adapters for Factory Radio
Auxiliary Input Switchers
FM Modulators
FM Transmitters

Top 20 in Aux Input Adapters & Cables

Dash Mountable Auxiliary Input Adapter

Dash Mountable Auxiliary Input Adapter • Provides Aux Input Anywhere in the Car • Eliminates Messy Tangled Cables • 3/8" Hole Need for Proper Insertion • Easy to Install • Reliable and Secure Connection • 3.5mm to RCA Adapter Included

$12.99

OUT OF STOCK

3.5mm Mini Jack Extension Cable 3'

• 3.5mm to 3.5mm Cable

• Cable Length: 3'
• Color: White

$3.29

OUT OF STOCK

6 ft. 2-Channel 4000 Series 3.5mm Aux to RCA Adapter

6 ft. 2-Channel 4000 Series 3.5mm Aux to RCA Adapter • Directional twisted-pair conductors sheds unwanted interference • Directional, high-twist construction retains signal integrity • ShocKrome end with split top delivers performance while preventing corrosion

$9.99

OUT OF STOCK

3 Ft Expert Link Auxiliary Mini-Jack to RCA Interconnect Cable

Expert Link Mini-Jack to RCA Cable • 3.5mm Phono Plug to RCA Interconnects • Nickel-Plated Contacts • Stress Relieving Ends • Twisted Pair Construction • Cable Length: 3 Feet • RCA's Have Split Tip Ends

$4.99

OUT OF STOCK

HDMI to Micro USB (11-pin) for Android Devices

• Color: Black
• For MHL Protocol Transfer
• Cable Length: 3.3ft (1m)

$33.99

OUT OF STOCK

Cassette Adapter for iPod, MP3 and other Audio Players

• Cassette Adapter For MP3 Players
• Play Your iPod, MP3 or CD Player Through Car Stereo's Cassette Deck
• Charges Your iPod While Playing

$5.99

OUT OF STOCK

12 Ft Expert Link Auxiliary Mini-Jack to RCA Interconnect Cable

Expert Link Mini-Jack to RCA Cable • 3.5mm Phono Plug to RCA Interconnects • Nickel-Plated Contacts • Stress Relieving Ends • Twisted Pair Construction • Cable Length: 12 Feet • RCA's Have Split Tip Ends

$5.99

OUT OF STOCK

6 Ft Expert Link Auxiliary Mini-Jack to RCA Interconnect Cable

Expert Link Mini-Jack to RCA Cable • 3.5mm Phono Plug to RCA Interconnects • Nickel-Plated Contacts • Stress Relieving Ends • Twisted Pair Construction • Cable Length: 6 Feet • RCA's Have Split Tip Ends

$4.99

OUT OF STOCK

Auxiliary Input Adapter for Ai-Net Alpine In-Dash Stereos

Additional RCA input instead of CD changer

$15.99

OUT OF STOCK

6 ft. 3.5mm A/V Plug to Composite Video and Stereo RCA Audio Plugs

6 ft. 3.5mm A/V Plug to Composite Video and Stereo RCA Audio Plugs • 100% Shielding for Maximum Rejection of RFI and EMI Interface • Color Coated for Easy Installation

$6.99

OUT OF STOCK

Pioneer Auxiliary Input Adapter

Pioneer XM satellite radio Interface • Plug & Play Installation • Able to Connect 1 Audio Auxiliary Source • IP-Bus to RCA Adapter

$5.99

OUT OF STOCK

6 Ft Expert Link Auxiliary Mini-Jack to RCA Interconnect Cable

Expert Link Mini-Jack to RCA Cable • 3.5mm Phono Plug to RCA Interconnects • Gold-Plated Contacts • Stress Relieving Ends • Twisted Pair Construction • Cable Length: 6 Feet • RCA's Have Split Tip Ends & 8-Cut Turbines

$7.99

OUT OF STOCK

Alpine AI-NET, JVC & Sony Auxiliary Adapter

Alpine AI-NET, JVC & Sony Auxiliary Adapter • Allows you to Connect 1 Audio Auxiliary Source (iPod, DVD Player, MP3 Player, etc.) to Any Alpine Ready Ai-NET, JVC or Sony Head Unit

$5.99

OUT OF STOCK

3 Ft Expert Link Auxiliary Mini-Jack Cable

Expert Link Mini-Jack Cable • 3.5mm to 3.5mm Phono Plug Connections • Gold-Plated Contacts • Stress Relieving Ends • Twisted Pair Construction • Cable Length: 3 Feet

$6.99

OUT OF STOCK

Universal iPod/MP3 3.5mm Mini Jack (Auxiliary Port/Headphone Input) FM Transmitter with LCD Display

Universal 3.5mm FM Transmitter • Compatible with iPad/iPhone/iPod, smartphones, MP3 players & any audio device with a 3.5mm audio jack • Works at Home or in the Car • Rechargeable built-in Lithium Battery • Hands-Free Talk Function • LCD displays Frequency with backlight

$15.99

OUT OF STOCK

6 Ft Expert Link Auxiliary Mini-Jack Cable

Expert Link Mini-Jack Cable • 3.5mm to 3.5mm Phono Plug Connections • Gold-Plated Contacts • Stress Relieving Ends • Twisted Pair Construction • Cable Length: 6 Feet

$6.99

OUT OF STOCK

Universal Stereo Auxiliary Input for Factory Radios

• Connects to the Vehicles Antenna Cable
• Uses stereo RCA input and 87.9MHz or 88.3 MHz for tuning
• Comes with Separate Rocker On/Off Switch
• For use with Portable Audio Devices

$29.99

OUT OF STOCK

Digital FM Transmitter For Mobile Devices With Remote Control

• Universal Compatibility
• Easy Installation
• Integrated USB Charging Port
• Includes AUX Cable And Remote Control
• Fully Adjustable For Multiple Viewing Angles
• SD Card Drive

$29.99

OUT OF STOCK

Dual Auxiliary Audio Input Interface with Complete Vehicle Harness for Select 2004-2011 Lexus, Scion, and Toyota Vehicles

• Integrates Two Auxiliary Audio Sources Directly To Factory Radio
• For Best Sound Quality
• Plug And Play Installation Maintains Factory Wiring
• Compatible w/2004-2011 Lexus, Scion, Toyota Vehicles

$87.95

OUT OF STOCK

Android and iOS Compatible Radio Interface for Select 2002-2008 Mazda Vehicles

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 2002-2008 Mazda Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

$145.99

OUT OF STOCK