Polk's high-performance ES20 bookshelf loudspeaker features a Dynamic Balance acoustic array, precision crossovers and Power Port bass enhancing technology . Hi-Res Audio Certified and accessibly priced, Signature Elite ES20 fulfills the Polk promise of great sound for all.more...
LX-6 MKII is a 3-way Floorstanding loudspeaker with two 6.5″ bass drivers, a 5″ midrange driver and a 1″ soft dome treble unit . LX-C1 MKII is a 2-way Center Channel speaker with dual 4″ bass driver and a 1″ soft dome treble unit.more...
Zone public Addressing System : A public address system (PA system) is an electronic sound amplification and distribution system with a microphone, amplifier and speakers, used to allow a person to speak or to pay music to larger area, e.g., recorded music or a person giving a spmore...