R4/R8 Compact Active Line Array Speakers 1100 Watts (Single)Features 3 Way Full Range The full system includes: 4 x R4 mid high frequency cabinet consisting of 1 x Ribbon and 2 x 4 drivers 1 x R8 Subwoofer cabinet comprising of 2 x 8 subwoofer Built in power amplifier module and DSP speaker processing within the R8 The DSP includes PEQ, Crossover and Slope, Delay, Gain and Limiter and is programmable via either RS232 or USB by PC RS 485 allows multiple systems to be connected together for control Compact