PRESONUS IO-4 Lighting Lighting Built in the style of

Built in the style of a classic 1073 EQ module

allowing you to use virtually any combination of effects

it is surprisingly lightweight

and a memory backup function

PRESONUS IO-4 Lighting Lighting Built in the style ofThe black I O 4 Speaker System from PreSonus is a small format high performance sound reinforcement system, comprised of two speakers. The I O 4 is designed for high quality foreground and background music applications for both indoor or outdoor applications. The I O 4 utilizes a two element array of high output 4" woofers. The horn loaded high frequency wave guide is positioned between the two element arrays for coherent and balanced high frequency