Topp Pro DLM-408 Plus is an extremely versatile audio matrix processor with 4 inputs and 8 outputs that are commonly used as digital speaker management system. It has high-definition LCD to display current status in real time and intuitive navigation for setup via front panel. DLM-408 Plus full setup can be accessed via PC Software by connectiong the product to internet port on router. With the connectivity into internet, user can conveniently update DSP and MCU firmware via internet. Using the DLM-408 Plus to tweak and rout audio signal is so easy, as it provides powerful routing option and amazing signal processing such as gate, expander, crossover, parametric equalizer, phase adjustment, delay and compressor functions.