Best USB Socket?

[Will_L300]

I have converted my 12v socket to a double USB socket I bought off of eBay. This alas is a rather cheap Chinese made part, which is causing tons of interference for my DAB. Is there a better quality socket anyone could suggest? Also, how far away does DAB get affected by the interference? I'm looking at upgrading my centre console from mk2 to 2.5 so that I have an additional socket, would the new location cure this or would it still be too close? Open to any ideas about interference stopping as well.

Thanks in advance!   

[Lenny]

I've recently purchased a 3.0 usb power supply which has a switch 

Being 3.0 it charges faster and the switch may solve your issue too 

https://www.ebay.co.uk/itm/QC3-0-Car-Charger-12V-USB-Outlet-Voltmeter-with-ON-Off-Switch-Waterproof-MA1998/264350380238?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20160908105057%26meid%3Df16ad2147d0c4919bd9f81a0083cb599%26pid%3D100675%26rk%3D3%26rkt%3D15%26sd%3D180735526749%26itm%3D264350380238%26pg%3D2481888&_trksid=p2481888.c100675.m4236&_trkparms=pageci%3A42b80277-a56b-11e9-8689-74dbd1800b28|parentrq%3Aeb5873ec16b0aa47c56117a7ff82de08|iid%3A1