LD Systems ICOA PRO SUB 21 A Powered 21" Subwoofer Avante passive tone control and 3-band

passive tone control and 3-band active EQ with switchable midrange frequency

which removes low frequencies from the Sides

but the circuit design of the original hardware was conceived with a more modern approach to high bandwidth and signal to noise ratio

Chuck Ainlay is a Grammy winning Producer/Engineer with a mind blowing track record

Immerse Yourself In Dolby Atmos

LD Systems ICOA PRO SUB 21 A Powered 21" Subwoofer Avante passive tone control and 3-bandThe ICOA PRO SUB 21 A combines massive bass performance with a well designed, roadworthy construction. This 3 kW high performance 21" bass reflex subwoofer, with its specially developed 21" neodymium woofer, delivers a massive, precise, and powerful bass foundation ideal for mobile DJs, clubs, live events, festivals, and permanent installations. The heart of the ICOA PRO SUB 21 A is the extremely powerful 21" woofer with a 4. 5" neodymium motor.