The Galaxy Audio DS-SP24 is a 2 in 4 out Speaker Management System. Each input can be easily assigned to each of the 4 outputs. The system includes Gain, 5 band parametric EQ, and Delay on each of the 2 inputs, as well as, on each of the 4 outputs which also feature high and low pass filters for crossover use, limiters, and polarity reversal. Additionally, each input and output can have your own choice of name assigned to it. The DS-SP24 gives the user access to a powerful array of Xover, PEQ, Delay, Limiter, Gain, and Polarity controls to help maximize your loudspeaker system. Up to 24 presets can be saved. The DS-SP24 can be configured to have any input go to any out. This provides great versatility, giving many choices such as stereo 2-way, 1x3 with sub , 1x4, etc.