LD Systems Procesor DS21, 19″ DSP Controller, 3 kanala

The LD DS2.1 is a universal 3-channel DSP controller for 2.1
loudspeaker systems with 24-bit processing and convenient
front panel operation providing easy setup and high quality audio performance.

Designed for live sound and fixed applications the rack mountable unit
offers extensive parameter control of its EQ, crossover, delay and
limiter functions. The LD DS2.1 features a 3-band parametric EQ with
adjustable Q and high shelf / low shelf selection.