and a switchable highpass filter that removes content below 80 Hz from the full-range signal sent to the monitors

it's easy to connect just about any audio source to Eris 3

roadworthy chassis

Its custom 18-inch low-frequency driver with enlarged voice coil provides efficient power handling and deep

whether flown

air15 2 way active sound reinforcement loudspeaker controllers and a switchable highpass filterCompact and lightweight, the PreSonus AIR15 2 way active PA loudspeaker's 15 inch woofer and 1. 35 inch HF driver deliver a rich, extended low end and natural high frequency extension in an enclosure that fits in the back of a small car. Backed by 1,200W (peak) of Class D Class AB power and enhanced with easy to use digital tuning functions, the AIR15 gives you all the power and tools you need for both mobile and installed sound. A choice of inputs