Presonus CDL18S cre8audio you can use the octave

you can use the octave buttons in conjunction with the key transpose function to play MIDI's entire range of notes

Versatile Placement

9-volt battery included

These are the crème de la crème of the electronics world and when coupled with a robust gold plated PCB and dust sealed potentiometers the recipe is as good as it can possibly be

etc) now affects voices 9-16

Presonus CDL18S cre8audio you can use the octaveDesigned for articulated sub bass frequency reproduction, the PreSonus CDL18s Dante Enabled Active Subwoofer delivers a high output and controlled performance in sound reinforcement applications for live stage, theater, clubs, and more. The CDL18s utilizes a 2000W (peak) Class D amplifier to power the 18" woofer with a 4" voice coil, delivering a frequency response of 42 to 150 Hz with a peak SPL of 135 dB. The 15mm eucalyptus plywood enclosure is