WR-1 Wireless ReceiverWT-1 and WR-1 are diminutive wireless transmitter and complementary receiver modules measuring just 6cm round by 4cm deep. They can be used together to create a simple wireless zone extension or to enable wireless rear speakers in a home theatre system.The WR-1 receiver plugs into the inputs of a remote subwoofer or amplifier. It is an ultra-compact module which can be placed hidden away behind other equipments. A non-slip silicon rubber bass is designed to not mark or leave residue on surfaces. * WT1/WR1 are designed and approved to ErP standards and comply with Eco design for energy related products Regulations for Energy-Related Products Directive 2009/125/EC. This means the units consume less than 0.5Watts of power in standby mode.