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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

Pioneer Auxiliary Input Adaptor (AUX Input)

Pioneer Auxiliary Input allows you to connect 1 audio auxiliary source (iPod, MP3 Player, DVD Player, etc) to any Pioneer head unit with CD Changer controls.

$11.99

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 Cable

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

$2.99

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

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

12 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: 12 Feet

$8.99

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

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

3 Ft Expert Link Auxiliary Mini-Jack Cable

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

$2.99

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

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

Universal FM Modulator for Smartphones, MP3 Players and Auxiliary Devices w/ Ground Loop Isolation

Stereo FM Modulator • Switchable Frequency Channels • Ground Loop Isolator • Shielded Housing

$17.99

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

FM Transmitter with Full FM Tuning on ANY Station, 3 Presets, and Bright LED Display

• FM Transmitter with Full FM Tuning
• 3 Digital, programmable memory presets
• Includes Mini-USB cable for recharging
• No batteries needed
• Bright LED display
• Portable design for use anywhere

$35.95

OUT OF STOCK

12v FM Transmitter & Charger for iPhone and iPod w/ AutoScan 3D Technology & Programmable Memory

• iCarplay 800 Wireless 800 Fm Transmitter
• Plays Iphone Or Ipod Music Over Any Car Stereo Systems
• External Antenna Delivers Improved Signal For Clear Sound
• 12v Lighter Adapter Charges iPhone And iPod

$39.99

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

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

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

6 Meter Optical Fiber Cable to Connect Alpine Head Units to PXA-H701 Multi-Channel Audio Processor

• Compatible with IVA-W505 and INA-W910

$129.99

OUT OF STOCK