DSPPA (Italia) All-in-One Amplifier MP9025 Specification Rated Power: 250W MP3 player section: Freq Resp (20Hz - 20kHz); S/N Ratio (80dB Sensitivity: 50dBµ (Tuner AM); 20dBµ (Tuner FM) Tuning range: 522Hz - 1611 kHz (Tuner AM); 87Hz - 108 kHz (Tuner ...