Sony ULT TOWER 9 Wireless Party Speaker (Black) Marine Receivers Space Diversity uses two antennas

Space Diversity uses two antennas on each transmitter and receiver to maximize signal integrity

Be surrounded by sound and feel at the center of it all with up-firing channels that project audio overhead

as well as high-resolution 32-bit / 48 kHz digital audio

Connects to 12-volt or 24-volt systems

Sony ULT TOWER 9 Wireless Party Speaker (Black) Marine Receivers Space Diversity uses two antennasSony ULT TOWER 9 Wireless Party Speaker (Black) Bigger bass, powerful sound pressure, 360 Party Sound and 360 Party Light makes everywhere a concert venue. With up to 25 hours of battery life, plus a convenient carrying handle and castors, it's easy to take your speaker, complete with karaoke and a guitar input, almost anywhere. Product Highlights: ULT Button for Enhanced Bass Press the ULT button to boost your bass, delivering deeper and more