Photography: VideoSecu 12V DC CCTV Security Camera Power Supply Adapter with 4 (2.1mm) Channel Connectors Port PW154 1I0 - VideoSecu

CE: iPod Female End to 3.5 mm Male Aux Extension Cable 4 feet - Generic

Network Media Player: Kensington Car Audio AUX Cable for iPhone/iPod including iPhone 4S - Kensington

CE: Headset Buddy: IP Headset Adapter for 2.5mm Headset, RJ9/RJ10/RJ22 Headset Plug Adapter (01-PH25-RJ9A) - The Headset Buddy

CE: Anker? 2nd Gen Astro Pro2 20000mAh 4-Port Aluminum Portable External Battery Charger with 9V/12V Multi-Voltage Port and PowerIQTM Technology for iPad Air mini, iPhone 5s 5c 5; Galaxy S5 S4, Tab 2, Note, Nexus, MOTO X, G, LG Optimus, HTC One and More - Anker

Toy: Neewer? 300mm Length EC3 Male Battery Plug to 4.0mm Banana Plugs Adapter Connector - Neewer

Personal Computer: Syba SD-CM-UAUD USB Stereo Audio Adapter, C-Media Chipset, RoHS - Syba

PC Accessory: BiXPower USB Port Power Cable with 3 Extra Popular Interchangeable Connector Tips - BiXPower

PC Accessory: Gino Black USB A Type to 3.5mm Jack Plug Audio Data Cable for MP3 Mp4 - Gino

Photography: 26mm 3/4" PT Thread Connector 120W Pump Water Flow Sensor Switch - Gino

CE: StarTech.com MUYHSMFF 3.5mm 4-Pin to 2x 3-Pin 3.5mm Headset Splitter Adapter - M/F - STARTECH.COM

Pet Products: Aquarium 4-Way Type 9mm Ports Air Distributors Line Connectors x 5 - Como

PC Accessory: [Apple MFi Certified] Anker? Lightning to USB Cable 3ft / 0.9m for iPhone 5s / 5c / 5, iPad Air / mini / mini2, iPad 4th generation, iPod 5th generation, and iPod nano 7th generation - Anker

Digital Device Accessory: RAVPower Dual Port 15.5W / 3.1A USB Car Charger for iPhone 6, 5s, 5c, 5, 4s, 4; iPad 5, Air, Mini; iPod Touch, Nano; Samsung Galaxy S5, S4, S3, S2, Galaxy Note 3, 2; Kindle; LG G2; Nexus 5, 7; Motorola Droid RAZR MAXX; Blackberry; Nook Color; Bluetooth Speakers and Headsets; HTC One X V S; External Batteries and More (Black) - RAVPower

Wireless: Generic Case for iPhone 4/4s - Retail Packaging - Hot Pink/Black Leopard - Generic

CE: 3.5mm Jack Splitter - Unknown

Network Media Player: Miccus Mini-jack TX: Bluetooth Music Transmitter pair it with Headphones, Speakers, Helmets and Bluetooth Receivers. - Miccus, Inc.

CE: Logitech Wireless Gaming Headset G930 with 7.1 Surround Sound - Logitech

Toy: Neewer? 370mm Length Deans Male T Plug to 4.0mm Banana Plugs Charger Adapter Connector - Neewer

GPS or Navigation System: 2.1mm x 5.5mm Plug Adapter 6 x 1.5V AA Battery Box Case Holder - Gino

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4 Mm Port Connector Popular Q&A

Q: How does a smartphone, with a 4-conductor 2.5mm connector, detect...
A: The jack can use the measured resistance between the different segments of the plug to determine what has been plugged in. IDT offers a technology called "Unive... Read More »

Q: How to fix a broken itouch 4g connector port?
A: My Dear Friend. Go to near service center and ask them to fix. all the best. Read More »

Q: When there is a 4 pin connector port in a motherboard, will the c...
A: yes you need that 4-pin connector, it provides the CPU with it's own power rail. Yes you can get extensions ( http://www.amazon.com/StarTech-com-8-Inc…. in any ... Read More »

Q: What is a good 4-10 port LC connector 10 Gig switch?
A: Most Cisco/HP switches use 10Gig ports as uplink only, so they'll have 4 ports at max. The chassis based switches would support more ports, for a higher price. ... Read More »

Q: What is the name of the small flat port that a 4 connector device...
A: Sound's like the fire wire nothing to be afraid of it's very rear but its about 10 times faster than usb's and used on very hihg mega pixel camras. You would fi... Read More »