Audio system comprising sensors and a speaker for use with play surfaces to allow sounds and music to be played during use of the play surface

Guitar amplifiers; Bass amplifiers; Amplifiers; Audio speakers, Sub-woofers, Sound mixers; Public address (PA) and sound system accessories, namely, microphone stands, speaker stands, microphone cables, speaker cables, speaker boxes and sound mixers

Audio amplifiers; audio loudspeakers; loudspeaker cabinets; record players; radio for automobiles; Compact Discs (CDs), Digital Versatile Discs (DVDs), television sets, MP3 and Mini-disc (MDs) for use in automobiles

Audio apparatus for vehicles; radios for vehicles; microphones for vehicles; amplifiers for vehicles; CD players; megaphones; televisions; laser discs players; VCD players; and DVD players

audio and/or modem semiconductor chips and audio and/or modem circuit boards