Solid DYNACORD amplifier technology at an attractive price. The SL power amplifiers offer high, stable output power with very good efficiency at a high performance level, making them an ideal solution for many mobile systems and club installations. SL amps are equipped with a comprehensive protection circuit package and dynamic limiters. The integrated, switchable low-pass notch filter (a special DYNACORD feature) corrects the frequency response of small to medium-sized PA cabinets and optimizes their transient response.