All new ButtKicker Kit with new 4 ohm ButtKicker Advance transducer, the new wider couch / chair mounting accessory kit, new BKA300-4 amplifier (115v) with integrated wireless option, optional vertical stand, and remote control with preset EQ settings, 6m of high quality speaker wire with banana plugs, 1m high quality RCA interconnect and high quality male to female RCA Y adaptor and a speaker level interface adapter for connecting to A/V systems without subwoofer pre-outs, and an illustrated Quick Start Guide.