20 Best Aux Port For Car [2024]

Are you looking for the best Aux Port For Car? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Aux Port For Car.

We Recommended:

# Preview Product
1 Bluetooth FM Transmitter for Car,Radio AUX Adapter with Dual Screen Display&7 Color Backlit, Music... Bluetooth FM Transmitter for Car,Radio AUX Adapter with Dual Screen Display&7 Color Backlit,...
2 Pyle FM Radio Transmitter Adapter - Plays MP3 Music with USB Port, 3.5 mm Aux in Media File Support,... Pyle FM Radio Transmitter Adapter - Plays MP3 Music with USB Port, 3.5 mm Aux in Media File...
3 3.5mm Male to 3.5mm Female Car Truck Dashboard Flush Mount 3.5mm 1/8' AUX Audio Jack Extension Cable... 3.5mm Male to 3.5mm Female Car Truck Dashboard Flush Mount 3.5mm 1/8" AUX Audio Jack Extension...
4 MaedHawk Aux Bluetooth Adapter for Car, Portable Bluetooth 5.3 Car Adapter, Rotatable 3.5mm... MaedHawk Aux Bluetooth Adapter for Car, Portable Bluetooth 5.3 Car Adapter, Rotatable 3.5mm...
5 Auxiliary Aux Port Replacement for Honda Civic 8th Gen, CRV- 39112-SNA-A01 Aux Input Adapter... Auxiliary Aux Port Replacement for Honda Civic 8th Gen, CRV- 39112-SNA-A01 Aux Input Adapter...
6 X AUTOHAUX 39112-TR0-A01 Car Auxiliary Plug Port Socket Aux Port Replacement for Honda Civic 2012 X AUTOHAUX 39112-TR0-A01 Car Auxiliary Plug Port Socket Aux Port Replacement for Honda Civic 2012
7 Bluetooth Receiver for Car, 3.5mm Aux Bluetooth Car Adapter, Esky Bluetooth 5.1 Wireless Car Audio... Bluetooth Receiver for Car, 3.5mm Aux Bluetooth Car Adapter, Esky Bluetooth 5.1 Wireless Car...
8 BATIGE USB 3.0 & 3.5mm Car Mount Flush Cable 3.5mm + USB3.0 AUX Extension Dash Panel Waterproof... BATIGE USB 3.0 & 3.5mm Car Mount Flush Cable 3.5mm + USB3.0 AUX Extension Dash Panel Waterproof...
9 URWOOW USB Flush Mount - 1M 3ft 3.5mm & USB 3.0 AUX Extension Mount, Dash Mount, Flush Mount, Panel... URWOOW USB Flush Mount - 1M 3ft 3.5mm & USB 3.0 AUX Extension Mount, Dash Mount, Flush Mount,...
10 Auxiliary Audio Input Jack Adapter Aux Port Compatible with Honda 2006-2011 Civic 2009-2011 CRV... Auxiliary Audio Input Jack Adapter Aux Port Compatible with Honda 2006-2011 Civic 2009-2011 CRV...
11 39112-SNA-A01 Aux Port Replacement - Auxiliary Input Adapter Audio Input Jack Socket Compatible for... 39112-SNA-A01 Aux Port Replacement - Auxiliary Input Adapter Audio Input Jack Socket Compatible...
12 Aux Port for Toyota Part Number 86190-02010 Car Radio Repair Parts Audio Input Jack Kit Auxiliary... Aux Port for Toyota Part Number 86190-02010 Car Radio Repair Parts Audio Input Jack Kit Auxiliary...
13 Bluetooth 5.0 Car Kit, AUX Bluetooth Adapter for Car with Ground Loop Noise Isolator for Handsfree... Bluetooth 5.0 Car Kit, AUX Bluetooth Adapter for Car with Ground Loop Noise Isolator for...
14 ISSYAUTO Aux Port Replacement Compatible with 39112-SNA-A01, 2006-2011 Civic, Auxiliary Input... ISSYAUTO Aux Port Replacement Compatible with 39112-SNA-A01, 2006-2011 Civic, Auxiliary Input...
15 Double Din Car Stereo Radio Compatible with Apple Carplay and Android Auto, 7-Inch HD Touchscreen... Double Din Car Stereo Radio Compatible with Apple Carplay and Android Auto, 7-Inch HD Touchscreen...
16 Sony DVPSR210P DVD Player (Progressive Scan) (Renewed) Sony DVPSR210P DVD Player (Progressive Scan) (Renewed)
17 Handsfree Call Car Charger,Wireless Bluetooth FM Transmitter Radio Receiver,Mp3 Audio Music Stereo... Handsfree Call Car Charger,Wireless Bluetooth FM Transmitter Radio Receiver,Mp3 Audio Music...
18 Bluetooth Adapter for Car, Wireless FM Radio Transmitter, LIHAN Handsfree Calling & Audio Receiver,... Bluetooth Adapter for Car, Wireless FM Radio Transmitter, LIHAN Handsfree Calling & Audio...
19 STOON Bluetooth 5.0 FM Transmitter for Car, USB C PD Bluetooth Car Adapter with Dual Mic/2.0' LCD... STOON Bluetooth 5.0 FM Transmitter for Car, USB C PD Bluetooth Car Adapter with Dual Mic/2.0" LCD...
20 Arsvita Bluetooth FM Transmitter for Car, Radio Receiver / Audio Adapter with Dual Car Charger,... Arsvita Bluetooth FM Transmitter for Car, Radio Receiver / Audio Adapter with Dual Car Charger,...
SaleBestseller No. 1
Bluetooth FM Transmitter for Car,Radio AUX Adapter with Dual Screen Display&7 Color Backlit, Music...
  • 👑[DUAL SCREEN DISPLAY & 7 COLOR LED BACKLIT] The FM Transmitter Bluetooth car adapter supports dual-screen display, The above screen shows the FM...
  • 👑[HANDS-FREE CALL]Built-in microphone support noise suppression (CVC) technology effectively reduce noises. Grants you a crystal clear call to...
  • 👑[3 MODES FOR MUSIC PLAY]Play music from Bluetooth-enabled devices; Stream music from TF card(≤64GB); Transmit music from USB flash...
  • 👑[42W PD & QC EFFICIENT CHARGING]The Bluetooth Adapter Car can fast charge two devices simultaneously via the PD3.0 and QC3.0 port (42W in total)....
  • 👑[SAFE TO USE]Built-in over-current protection, over-voltage protection, short circuit protection, effectively prevents multiple problems....
Bestseller No. 2
Pyle FM Radio Transmitter Adapter - Plays MP3 Music with USB Port, 3.5 mm Aux in Media File Support,...
  • TRANSMITS FM FREQUENCY: A FM radio transmitter adapter that draws power through the car power socket or cigarette lighter port. It transmits FM...
  • AUX IN FUNCTION: It plays music from devices that are 3.5 mm Aux in compatible like smartphone, iPods, and tablets. It can also support flash drives...
  • CAR CHARGER: Aside from playing music, this FM transmitter is built with a USB port to serve as a ready to use car charger. It can be used to power up...
  • DIGITAL LCD DISPLAY: Made with digital LCD display to show radio frequency and simple button controls. Offers easy manual control to play, pause,...
  • UNIVERSAL MEDIA SUPPORT: Supports several media like MP3 and WMA format files. The input voltage is 12-24V, the output power is 5V DC / 2.1A and the...
Bestseller No. 3
3.5mm Male to 3.5mm Female Car Truck Dashboard Flush Mount 3.5mm 1/8" AUX Audio Jack Extension Cable...
  • Gold plated 3.5mm connectors with accessories such as screws, braceket, flush mount components & lid for installation on dashbaord or other surface
  • Dash Flush Mount 3.5mm Extension Mounting Dashbard Dock
  • Works with vehicle, motocycle, marine & etc with 3.5mm AUX Input
  • Connects devices that use 3.5mm audio ports,High speed Extension Lead
  • Cable length: 3 feet - 1 meter
Bestseller No. 4
MaedHawk Aux Bluetooth Adapter for Car, Portable Bluetooth 5.3 Car Adapter, Rotatable 3.5mm...
  • ✔️[Bluetooth Adapter for Stereo Receiver] MaedHawk Bluetooth aux adapter can turn your old car stereo into a Bluetooth enabled device, home wired...
  • ✔️[Hands-free Calling & Navigation] This car bluetooth adapter has built in microphone, allowing you to enjoy hands-free calling directly through...
  • ✔️[Bluetooth 5.3 & Dual Devices Connection] Equipped with the latest Bluetooth v5.3 chipset, this 3.5mm Bluetooth adapter offers a 20m stable...
  • ✔️[10 Hours Standby & Working While Charging] The Bluetooth stereo adapter lasts up to 10 hours when making calls or playing music, and it can be...
  • ✔️[180° Swivel Bending] The portable bluetooth car adapter aux input jack is flexible and bendable, save your space and suitable for any narrow...
Bestseller No. 5
Auxiliary Aux Port Replacement for Honda Civic 8th Gen, CRV- 39112-SNA-A01 Aux Input Adapter...
  • Auxiliary Input Jack Replacement for only 8th Gen 06-11 Civic, 2007-2011 CR-V
  • Our Stereo Adapter Assembly exceed original OE standard with superior quality and competitive price. Plug and Play
  • Fits for Civic 2006-2011, 2009-2011 CR-V, 2007-2008 TL, 2008-2009 MDX. Please see the description or use your vehicle to Check with Amazon Partfinder
  • OE Part Number: 39112-SNA-A01, 39112-SMA-003; Perfect fit for 8th Gen Civic and 09-11 CRV; Please see the detail fitment below
  • This aux jack replacement part restores functions from your mobilephone or mp3 to your vehicle's audio syste
Bestseller No. 6
X AUTOHAUX 39112-TR0-A01 Car Auxiliary Plug Port Socket Aux Port Replacement for Honda Civic 2012
  • Fitment: for Honda Civic 2012
  • OE Number: This port socket's OE number is 39112-TR0-A01. Please make sure OE number matches before purchasing.
  • Easy to Install: Direct fit and use without any equipment, the port socket replaces the old one within a few minutes, plug and play.
  • Great Replacement: This port socket is a good replacement for your original car part.
  • Package Includes: 1 x Port Socket
SaleBestseller No. 7
Bluetooth Receiver for Car, 3.5mm Aux Bluetooth Car Adapter, Esky Bluetooth 5.1 Wireless Car Audio...
  • 【Upgraded Bluetooth V5.1】: If getting your calls loud and clear in the car is what you want, then the aux adapter for car is what you need!...
  • 【Hi-fi Music & Hands-Free Calling】: Boost your sonic experience in the car with the Esky Bluetooth adapter for car. Thanks to the high-fidelity...
  • 【Easy to Use & Longer Battery Life】: Why bother with crazy wiring or paying tons of money for expensive systems when you can just plug and play!...
  • 【Siri or Google Voice Assistant】: Both Siri and Google Assistant users can rejoice, because both allow for hands-free voice guidance by the...
  • 【Two Ways to Charge】: Harnessing magnetic charging technology, the Bluetooth car receiver charges by either plugging into the car charger or by...
Bestseller No. 8
BATIGE USB 3.0 & 3.5mm Car Mount Flush Cable 3.5mm + USB3.0 AUX Extension Dash Panel Waterproof...
  • This batige cable designed for in car but can be used for any application, such as bike, marine, etc.
  • Use an existing hole or cut a hole in your dashboard and clip in the socket to flush mount it to your vehicle's dash.
  • Bracket included to allow mounting of socket on your car's dashboard.
  • Works with vehicles with 3.5mm AUX or USB 3.0 Input for extension/mount.Water Proof Mount Rubber cover
  • Ideal for newer aftermarket head units such as Pioneer, Kenwood and Alpine that feature a rear USB input
SaleBestseller No. 9
URWOOW USB Flush Mount - 1M 3ft 3.5mm & USB 3.0 AUX Extension Mount, Dash Mount, Flush Mount, Panel...
  • -Gold plated 3.5mm connectors and standard USB 3.0 plug with accessories such as screws, bracket, flush mount components & lid for installation on...
  • -Dash Flush Mount 3.5mm and USB 3.0 Extension Mounting Dashboard Dock
  • -Works with vehicle, motocycle, marine & etc with 3.5mm AUX Input
  • -Connects devices that use 3.5mm audio and/or USB ports,High speed Extension Lead
  • -Cable length: 3 feet - 1 meter
Bestseller No. 10
Auxiliary Audio Input Jack Adapter Aux Port Compatible with Honda 2006-2011 Civic 2009-2011 CRV...
  • Easy to Install - Direct replacement for a proper fit, plug and play design, installation can be completed under 30 minutes, no special tools required...
  • Application - Compatible with 8th Gen 2006-2011 Honda Civic, 2009-2011 Honda CRV and 2007 Honda Acura, replaces part #: 39112-SNA-A01/39112SNAA01....
  • Benefits & Features - Designed to match the appearance of the original audio input jack, standard 3.5mm(0.14 inch) auxiliary port jack. 5-pin original...
  • Quality Assurance - Correct connector no cutting or splicing, add black glue on the interior circuit board for waterproof and anti-corrosion.
  • 12-Month Warranty - This aux port replacement comes with 12-month warranty, it is guaranteed to remain in good operating condition while you own it,...
Bestseller No. 11
39112-SNA-A01 Aux Port Replacement - Auxiliary Input Adapter Audio Input Jack Socket Compatible for...
  • FITMENT - Application for 8th Gen 2006-2011 Honda Civic, 2009-2011 Honda CRV,2007-2008 Acura TL and 2008-2009 Acura MDX. Replaces PN# 39112-SNA-A01
  • FEATURES - OE specification to match the appearance of the original aux jack, standard 3.5mm audio auxiliary port. 5-Pin original connector
  • INSTALLATION - Plug and play, easy to install. You can find the install video on YouTube
  • QUALITY - Premium and durable ABS plastic material to provide long operating life and excellent performance
  • INCLEDES - (1)OE Standard AUX port Replacement 39112-SNA-A01
SaleBestseller No. 12
Aux Port for Toyota Part Number 86190-02010 Car Radio Repair Parts Audio Input Jack Kit Auxiliary...
  • [EASY TO INSTALL]: This Toyota Tundra aux input without cable, simple structure, easy to install, plug and play, very convenient
  • [SAVE YOUR TIME AND MONEY]: The car repair parts very easy to fix, replacement takes only several minutes, save your time; You can fix the audio...
  • [NICE QUALITY]: The auxiliary jack adapter undergo a strict quality test, exceed original OE standard with superior quality and good sound output,...
  • [NICE SERVICE]: In order to check whether our product match for your car VIN before your make order, you should check the OE number of your original...
  • [COMPATIBILITY]: The audio port fits for Toyota Corolla 2009 2010 2011 2012 2013, Tacoma 2009 2010 2011 2012, Sienna, RAVE, Sequoia Avalon 2011 2012...
Bestseller No. 13
Bluetooth 5.0 Car Kit, AUX Bluetooth Adapter for Car with Ground Loop Noise Isolator for Handsfree...
  • 【Hands-free call】The built-in microphone of the Bluetooth adapter allows you to make hands-free calls while driving. The voice activation function...
  • 【Wireless music】You can connect to non-Bluetooth car audio systems, home audio, old-fashioned speakers and wired headphones through the 3.5mm AUX...
  • 【Noise isolator】Normally, the sound quality is very good. If you encounter background noise, just plug the product's audio cable into one port of...
  • 【Dual-port USB car charger】The car bluetooth receiver comes with a dual-port USB car charger, which is convenient for you to charge mobile phones,...
  • 【Dual connection】The car Bluetooth adapter can be connected to two Bluetooth devices at the same time, which is convenient for you to easily...
SaleBestseller No. 14
ISSYAUTO Aux Port Replacement Compatible with 39112-SNA-A01, 2006-2011 Civic, Auxiliary Input...
  • { FITMENT } ISSYAUTO aux port audio adapter compatible with 2006-2011 Civic Aux Jack, 2009-2011 CRV Auxiliary Jack, 2007 Acura Audio Video Jack. OE...
  • { EASY TO INSTALL } This Honda aux port is plug and play design, with a simple structure, easy to install. Replacement will not damage the car panel,...
  • { SAVE TIME AND MONEY } The civic aux port auxiliary input adapter is very easy to fix, and replacement takes only several minutes, saving you time;...
  • { HIGH QUALITY } All ISSYAUTO aux port replacement undergoes a strict quality test and meets OE specifications. Direct replacement for a proper fit,...
  • { NICE SERVICE } Please check the OEM number of your original one, you can find the OEM number on your old unit. Truly Worry-free Shopping. Best gift...
Bestseller No. 15
Double Din Car Stereo Radio Compatible with Apple Carplay and Android Auto, 7-Inch HD Touchscreen...
  • 【Compatible with Apple Carplay and Android Auto】Apple Carplay (with a USB cable) serves to make a connection between your smartphone and car...
  • 【7-Inch Double Din Touchscreen Car Stereo】7-inch capacitive screen designed. Universal double din standard universal size 7.4 inch×4.6 inch×2.6...
  • 【Phone Mirror Link Function】Mirror Link through phone's original USB line can synchronize to the onboard screen. Through mirror-link, the car...
  • 【Vehicle Fit & Multi Functions】: Standard size, universal power, audio plug, rich function expansion ports. Our apple carplay double din car...
  • 【Rear View Camera】Our apple carplay double din car audio receivers equipped with an HD camera, after connected with the rear camera, you can see...
Bestseller No. 16
Sony DVPSR210P DVD Player (Progressive Scan) (Renewed)
  • Progressive Output (480p)
  • Fast/Slow Playback With Sound
  • Multi-Brand TV Remote Control
  • CD, MP3 & JPEG Playback
  • DVD Playback
SaleBestseller No. 17
Handsfree Call Car Charger,Wireless Bluetooth FM Transmitter Radio Receiver,Mp3 Audio Music Stereo...
  • Dual USB car charger: 2 USB charging port to charge most USB Devices. Input 12V/24V, 1a port with USB reading and charge function; smart 3. 1 A charge...
  • More compatibility: wireless Bluetooth FM transmitter adapter for car radio,transfer calling/MP3 music/Cellphone voices to car speaker.Compatible with...
  • Hands free function: built-in microphone, switch to hands-free mode automatically from music playing status when receiving calls. Answer/reject/hand...
  • Car battery voltage function: Show 3 seconds voltage when plug into the car outlet port. Always keep battery state of health. Then it turn to...
  • Music playing:support Bluetooth /USB disk/TF card/ MP3/wma player. With anti-interference performance and CVC technology.Listening to music while...
SaleBestseller No. 18
Bluetooth Adapter for Car, Wireless FM Radio Transmitter, LIHAN Handsfree Calling & Audio Receiver,...
  • ❤️[7 COLORS LED BACKLIT MODE] 7 colors lighting modes and 1 cycle color mode that can get a visually stunning display of colors, you can keep 1...
  • ❤️[HANDSFREE BLUETOOTH TRANSMITTER]Connect cellphone and this Bluetooth adapter via Bluetooth, One-click the button to answer/redial/hang up or...
  • ❤️[TYPE-C & QC USB CHARGER] Fit 12V/24V Car cigarette socket.This car charging can fast charge two devices simultaneously via the PD3.0 and QC3.0...
  • ❤️[MUSIC ADAPTER & PLAYER]Connect car radio and this Bluetooth adapter via the FM channel. Then you can enjoy music from Bluetooth devices/TF...
  • ❤️[SAFE TO USE]Built-in over-current protection, over-voltage protection, short circuit protection, effectively prevents multiple problems....
SaleBestseller No. 19
STOON Bluetooth 5.0 FM Transmitter for Car, USB C PD Bluetooth Car Adapter with Dual Mic/2.0" LCD...
  • 【CLEAR SOUND & LOSSLESS MUSIC】Built-in Dual Microphones design collects sound better than the single; CVC noise cancellation technology...
  • 【USB-C PD QUICK CHARGE & 3 USB PORTS】The Bluetooth audio transmitter has 3 charging ports: A 18W USB-C (Type-C) PD charging port outputs 5V/3A,...
  • 【2.0'' LCD Screen & Power On/Off Button】Sebigy FM Transmitter features a big LCD screen that not only displays FM frequency but also car battery...
  • 【HANDS-FREE CALLING & VOICE ASSISTANT】Only click the call button to answer/redial/hang up/reject calls; Seamlessly switches between incoming calls...
  • 【9 COLOR LED BACKLIGHT】Do you want your car interiors to look cooler and more amazing? The backlight circle design will meet your expectations...
Bestseller No. 20
Arsvita Bluetooth FM Transmitter for Car, Radio Receiver / Audio Adapter with Dual Car Charger,...
  • 【Small Space Efficient Design】 All functions are concentrated on a 1.6*1.6 inch plane. There are only 4 buttons in total, which is simple and...
  • 【Function Collection】 What are your expectations? Dual USB ports, QC 3.0 fast charge, Hand-free calls, Voice assistant, High-fidelity sound...
  • 【Practical Assistant】 ⚡Dual USB ports with one quick charge 3.0 port which is up to 4X faster than standard chargers, save time, reduce power...
  • 【Atmosphere Creator】 🏆Bluetooth 5.0 transmission won't be distorted. Use DSP technology which makes full duplex sound quality, considering both...
  • 【What You will Get】 An advanced FM transmitter and 12-month after sales service. Our professional after-sales team is ready to solve any product...

Having trouble finding a great Aux Port For Car?

This problem is well understood by us because we have gone through the entire Aux Port For Car research process ourselves, which is why we have put together a comprehensive list of the best Aux Port For Cars available in the market today.

After hours of searching and using all the models on the market, we have found the best Aux Port For Car for 2023. See our ranking below!

How Do You Buy The Best Aux Port For Car?

Do you get stressed out thinking about shopping for a great Aux Port For Car? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Aux Port For Car, which is why we have assembled a comprehensive list of the greatest Aux Port For Car available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Aux Port For Car that you consider buying. Your questions might include the following:

  • Is it worth buying an Aux Port For Car?
  • What benefits are there with buying an Aux Port For Car?
  • What factors deserve consideration when shopping for an effective Aux Port For Car?
  • Why is it crucial to invest in any Aux Port For Car, much less the best one?
  • Which Aux Port For Car are good in the current market?
  • Where can you find information like this about Aux Port For Car?

We’re convinced that you likely have far more questions than just these regarding Aux Port For Car, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Aux Port For Car, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Aux Port For Car. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Aux Port For Car buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Aux Port For Car currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Aux Port For Car has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Aux Port For Car?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Aux Port For Car.
  5. Customer Ratings: Number ratings grade Aux Port For Car objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Aux Port For Car.
  7. Product Quality: You don’t always get what you pay for with an Aux Port For Car, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Aux Port For Car is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Aux Port For Car information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Aux Port For Car is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

Related Post:

FAQ:

Q: Why is my car AUX port not working?

A: Since WIndows 10 AUX-Port is not working properly. Sound problems can be caused by cables that aren’t connected properly, damaged drivers, incompatible drivers, sound settings, missing updates, and problems with your sound card.

Q: What is the auxiliary port in a car?

A: The AUX port is typically used for audio equipment that receives peripheral sound sources, such as digital music players or audio speakers. The peripheral sound device is connected to an AUX port or other medium such as a vehicle’s audio jack. An auxiliary port is also known as an auxiliary jack or auxiliary input.

Q: Can I use an AUX input as a headphone port?

A: In most cases, when you plug a phone or MP3 player into the aux input in a head unit, you end up piping an already amplified signal intended for headphones rather than a line-level signal, which isn’t ideal in terms of sound quality.

Q: What is an auxiliary port?

A: An auxiliary port (AUX) is the logical name for a standard communications port. AUX is an asynchronous serial port with an interface that allows the auxiliary input of audio signals for: MP3 players.