SL824USB and SL1224USB feature the FX logic DSP processor which delivers a total of 16 effects. These include a variety of delays, reverbs, chorus, and rotary speaker algorithms, achieving a professional touch on your mix and lending itself to more creative sound engineering styles.
By name, the 16 FX are……
(1)Hall1 (2)Hall2 (3)Room1 (4)Room2 (5)Room3(6)Plate reverb1 (7)Plate reverb2 (8)Plate reverb3 (9)Chorus (10)Flange (11)Delay1 (12)Delay2 (13)Chorus/Room1 (14)Chorus/Room2 (15)Bypass (16)Rotary speaker.
All very useable, in the real-world!