DS18 i48DSP4-Input / 8-Output Digital Sound Processor with Bluetooth and App Control DS18’s i48DSP gives you total command over your sound system! With 4 RCA inputs and 8 fully configurable RCA outputs, this DSP (digital sound processor) lets you build and fine-tune your audio experience across any setup. Bluetooth App ControlSet crossover points, time alignment, limiter, and EQ right from your phone. Integrated with Bluetooth Version 5.1, the i48DSP lets you make live tuning adjustments wireles
