General Power Supply DC 12V (11V - 16V), Test Voltage 13.2V, Negative Ground Current Consumption Less than 3.0A at 0.5W Maximum Power Output 35W×4ch (at 4Ω) Output Impedance 4Ω AM Radio Frequency Range 530 - 1,710kHz Usable Sensitivity 24dB/μV (S/N 20dB) FM Stereo Radio Frequency Range 87.7 - 107.9MHz Usable Sensitivity 7dB/μV (S/N 30dB) CD Player (NCD-8KAI) Signal to Noise Ratio More than 66dB Total Harmonic Distortion Less than 0.4% Channel Separation More than 55dB Dimension** (W×H×D) 178 × 50 × 169mm Weight** 1.55kg