Recent content by GreenlightAV

The audio cable depends on the connectors needed at each end. If you need a 3.5mm jack at both ends you will need to get hold of a 10 metre jack to jack lead. As the cables will not be easily accessible once they are installed, don't be tempted to use multiple shorter cables as you will end...

The device you've shown in the picture is a power supply. Its job is to power an amplifier that is close to the aerial. It sounds like the amplifier is being used to split the signal to three separate feeds but it also amplifies the signals to ensure each television receives sufficient signal...

Follow OwainDIYer's suggestions but you might want to confirm that your audio source is working as well. Connect it with the same cables into another amplifier and that should confirm that you have a good source. As the amplifier appears to be a digital one, using a meter across the outputs...

HDMI cables are built to the specification set out by the HDMI organisation which sets out strict controls over performance. What that means is that any HDMI cable that has been certified (That is, any cable being sold by a reputable retailer) will work. There will not be any improvement in...

The replies set out so far are correct in that the speakers are designed to run from a 100V line amplifier. They are designed to allow multiple speakers to be run on a single amplifier output so they are commonly used for public address systems over a wide area. However, on the rear of the...