In this last video of the Totalmix FX for beginners series RME explains what the DSP effects are all about. TotalMix FX has two types of effects: Insert effects, namely EQ and Compressor, and send effects like Reverb and Delay. While the insert effects are available for all input and output channels per channel, the send effects are on a separate effect bus. Have fun!
Watch the video DSP Effects Overview