MDF cabinet with bass reflex port including three 381mm (15 in) long throw cone drivers. A separate RAM-SW amplifier for analoge and digital inputs and with 2500 W Class D amplifier to produce up to 128 dB SPL in half space. Balanced 2.1 analog in and two outputs (XLR), one AES/EBU digital In (XLR) and Thru out (XLR) connectors. One 10 m (33.3 ft) Speacon cable is provided to connect RAM-SW amplifier and subwoofer. A separate GLMTM kit includes AutoCal software for automatic alignment of level and timing, phase and equalisation of room response anomalies (available on page 9). Universal mains input voltage. Weight 145 kg and 11 kg.