$12.99 Buy It Now or Best Offer
free,30-Day Returns
Seller Store doukmall
(57934) 99.4%,
Location: shenzhen
Ships to: US,
Item: 266459136311
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Douk Audio:Douk Audio
Type:Filter
Connection Split/Duplication:1:1
MPN:GFB1412
Color:Yellow
Compatible Brand:Universal
Cable Length:NO
Features:Coupler
Output Voltage:NO
Unit Quantity:1
Unit Type:Unit
Country/Region of Manufacture:China
Connector A:3.5 mm Female,XLR
Connector B:3.5 mm Jack Female,RCA Female
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Sign Up Now ! Home / Car Common Ground Noise Isolation Module 3.5mm AUX Audio Isolator Coupler Item description 3.5mm version: Warm tips: 1. This common ground noise isolation module is specially designed for the audio switcher box of Douk Audio, if you buy this and switcher box together please contact us, the shipping can be free, while buy this isolator separately need to pay the shipping fee. 2. This noise isolator can only eliminate the noise and current sound caused by the common electricity and common ground, but cannot eliminate the noise caused by other reasons, so you need to confirm the source of the noise yourself. Parameters Input and output: standard 3.5mm AUX Pure copper transformer Turns ratio: 600:600 Size: 53*32mm Introduction of Common Ground Noise The grounding points of the two electrical appliances are not at the same point, due to the difference in grounding resistance, the noise is transmitted into the electrical equipment through the ground wire and forms interference. The noise is mainly manifested in the car audio, that is, there is an audio interference, like a whistle, and the frequency of this noise will change with the speed of the engine. How to determine the noise is caused by common ground or not: 1. Use the headset to connect to the car’s MP3 and car navigation AUX (3.5mm interface). If the sound heard from the headset is no noise at this time, you can confirm that the noise of the car equipment is caused by the common ground. 2. Use the audio cable to connect the mobile phone or MP3 (note that the mobile phone and MP3 should not be connected to any power supply in the car) to the AUX of the car’s center console, and play the mobile phone’s music, if there is no noise, then can confirm that the noise is caused by common ground. 3. Computer, power amplifier, speaker, CD player: use passive headphones to plug in the computer to check whether there is noise, and use a mobile phone to plug in power amplifier or speaker to do audio test, if there is no noise in the separate test, then can confirm the noise is caused by the common ground. 4. After starting the car, the power amplifier has current sound, and some models will also have a situation where the throttle is greater and the current sound is louder. This isolator can solve this problem. 5. There is current sound between the power amplifier and the speaker, this isolator can be connected between the power amplifier and the speaker to avoid the noise. 6. If there is noise when the laptop is connected to the projector and the amplifier at the same time. You can connect the adapter or use battery to power the laptop, at this time, unplug the amplifier and the noise disappears, or unplug the projector and the noise disappears, you can connect this isolator between computer and amplifier to eliminate noise. Packing List 1*Common Ground Noise Isolation Module XLR / RCA version: Warm tips: this price is for 1 piece, if you want 2-channel use please buy 2PCS. Features A high-quality common ground isolation device, can effectively eliminate the current generated by common ground, and make the output sound more stereo-full. Built-in sound isolate transformer, can isolate the noise generated by the common ground, remove the sound of burr and digital sound, and make the sound more vivid. Adopt metal shell, with a strong anti-interference ability; gold plated interface to improve audio quality, and achieve losslessly sound. Compact size, XLR/RCA two kinds of interface available, a wide range of applications, can be connected to cell phones, speakers, cars, etc. Parameters Input impedance: 600Ω Output impedance: 600Ω Frequency response: 20Hz-20kHz Dimensions: 75.5*30.8*25.5mm Packing List 1*Noise Isolator(optional) Payment Delivery details Return Policy About us Contact us Payment Safe and secure payment by PayPal. Delivery details Please leave VALID TELEPHONE NUMBER which is necessary and very important. Customs Clearance We are NOT responsible for any customs duties fee. We are NOT responsible for any import tax or customs delay. Most item will be shipped within 2 working days. For package less than 2KG, we use Airmail (10-25 days to most countries) and for package over than 2KG we use Expedited Service such as DHL, UPS and FEDEX (5-8 days to most countries). Return Policy Free Return Within 30 DaysWe provide return within 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don’t hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM – 18:00 AMNew York(US)Sunday to Thursday08:00 PM – 05:00 AMLondon(UK)Monday-Friday01:00 AM – 10:00 AMParis(FR)Monday-Friday02:00 AM – 11:00 AM During holiday, please allow us to response you early next week. Please don’t leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us
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