MartinLogan SW2-TRD subwoofer transmitter / receiver

Make your sub go wireless Want to enjoy the deep, rumbling bass of your subwoofer without a long cable run from your receiver? Pick up the MartinLogan SW2-TRD wireless transmitter and receiver, and transform your wired sub into a wireless unit. Simply connect the transmitter to your receiver's subwoofer preamp output. Then connect the receiver to the LFE input on your subwoofer. With a wireless range of up to 40 feet, you'll have more placement options to help you enjoy powerful bass to add depth to movies and music. The SW2-TRD transmitter and receiver each include an AC adapter for power. Be sure to plug them into a quality power protection device to protect your equipment from damaging surges.