For home use only. PJB pro sound, undeniably, at the price point of an entry-level amplifier. With the latest digital circuits and newly designed speakers and cabinet, the tone is even sharper than before. It produces a clear and pleasant sound without distortion, even when playing a low B. SPECIFICATIONS Amplifier 100W, D Class Digital Amplifier with DSP (Digital Signal Processing) Power Supply Frequency Response 30Hz - 20KHz Signal to Noise Ratio Better than 84 dB (EQ off, Volume on Full.) Low Input: >30KS /22pF Pre Amp Line Out: < 2kS Levels High Input: 30mV-2V Low Input: 50mV-1.5V Pre Amp Out: 1.2V Speaker 2 x 7 inch PJB Ferrite Speaker + 1 x PJB 2.5 inch Tweeter Crossover Frequency: 4KHz@6dB/Octave Dimensions: 132 x 317 (H) 216(D)mm Included: AC cord, protective cover