7.1 Multichannel system

SK2-1000BT            3     DUAL 10" 3 -WAY LOUDSPEAKER Black Texture
S1S-EX                     4     18" SUBWOOFERS
S4Ai                           6     IN-WALL MULTI-POLE AMBIENT SURROUND SPEAKERS
SDP-40                     1     DIGITAL SURROUND PROCESSOR
SDEC4000               1     12 x 20 CHANNEL EQUALIZER
S4000IC                    1     SYSTEM INTERCONNECT PACKAGE
S800/230                  4     TWO CHANNEL AMPLIFIERS 800W BRIDGED MONO
S7150/230                2    SEVEN CHANNEL AMPLIFIERS 150W PER CHANNEL
S4-RFB or S4-PCB 6     PRE CONSTRUCTION OR RETRO FIT BRACKET FOR S4AI