hi all. I am at the final stage of a 2012 nexus build for my car. I have rooed the tablet. I'm running the following setup in car; External power (battery) to USB hub USB hub to tablet using OTG Y cable Digital audio converter (dad) attached to other end of OTG Y ( leading to the amplifier) Added to the 4 way USB is a DVBT receiver (to receive fm) which is hard wired into the car antenna. I can currently charge the tablet but when playing audio it comes through the tablet speaker rather than the car speakers. Also the DVBT receiver isn't being recognised through the USB. If I plug my galaxy s5 into the OTG Y cable I can play music through the speakers but the device doesn't charge. Any help here? I want to be able to send audio through the charge port and link the DVBT receiver. Android version: 4.2.2 Kernel version: 3.1.10-g25ab3af Timur - USBhost-FI-2013-08 @hexa #2 CyanogenMod version - 10.2-2013817-USBROM-grouper Thanks.