A compact disk player, a tuner, compact-disk RDS tuner amplifier that made amplifier one. It is the perfect discrete stream-composition power amplifier also corresponding to a 4-ohm speaker. The tone control and the loudness control are carried in the tone-quality correction functionality. The linear single bit digital analog converter excellent in the descriptive power of minute level is adopted as a digital analog converter. Moreover, a computer image processing technology is applied and FPCS which raises wave reappearance power is carried. The tuner part has adopted the digital synthesizer tuner excellent in the operationality and the robustness, and not only FM stereo but an AM stereo is ready for receiving ability. Moreover, total of 30 FM/AM preset memory is carried. The four-line (Weekday/Weekend/Rec/Sleep) weekly timer is built in. Lens cleaned Bias checked correct Output power 30W+30W (8 ohm, 20Hz - 20kHz) THD 0.08% (at the time of 20Hz - 20kHz, and an Output power) SN ratio Tape, Line: 100dB Sensitivity FM: 19.2dBf (2.5 microvolts, 75 ohm, S/N 50dB) SN ratio (FM) mono:78dB stereo:72dB Timer mode Weekday, Weekend, Rec, Sleep Digital filter 8 time oversampling Digital analog converter Single bit scheme Frequency characteristic 5Hz - 20kHz Dimensions Width 455x height 110x depth of 330mm Weight 7.8kg Carefully shipped