inputs.text: distorted sound much understand - would not recommend product anyone matter fact im not sure purpose serves installed bookshelf tuner 25 watt preamp power 2 sets outdoor speakers didnt expect much 1520 watts additional power sound didnt diminish powering many speakerssimple enough idea took decent sounding speakers turned tin cans canceled base completely worse yet sound inaudible half volume basically made tuner volume controls basically useless im sure missed piece somewhere crossover additional component might correct problem supposed simple solution boost power little