The SoundStandard active crossovers are versatile, multi-purpose devices with a range of features suitable for live sound and permanent installations. There are three crossover models available the 1022B 2-Way stereo with mono sub, 1023B stereo 2-way/ mono 3-way and 1034B stereo 3-way/ mono 4-way. All have clip indicators, wide crossover frequency ranges as well as input and output gain controls. The three models cover a broad range of stereo and mono crossover requirements and offer great value.