FAQ What is the maximum power output for the audio amplifier section? The maximum power output for the audio amplifier section is 45 W per channel for both front and rear speakers.What is the allowable operating temperature range for this CD player? The allowable operating temperature for this CD player is 0°C to +40°C.What are the frequency ranges for the FM, AM, and LW tuners? The frequency range for FM is 87.5 MHz to 108.0 MHz, for AM is MW 522 kHz to 1 620 kHz, and for LW is 144 kHz to 279 kHz.