Great surround sound is mandatory when it comes to any home theater system. The SN51 delivers all of the intense detail missed by many low quality systems sold at mass merchant stores. This is done by including a high power 500-watt amplifier that pushes the complete 5.1 surround. System includes: Five surround speakers High power 10-in. subwoofer Telescopic stands Remote to adjust individual speaker volumes Features include: Plug-n-Play operation Individual volume adjustment Amplifier ensures even power distribution 5 x 40-watt surround distribution 1 x 300-watt subwoofer Six independent channels Four 4-in. monitor speakers One center channel with two 4-in. drivers and one 1-n. silk dome tweeter Elaborate remote 10-in. ported subwoofer