Check the listing for details. Crown D-45 Amplifier. Condition: For parts or not working. Listed at 75.00 USD. Power Output (Stereo): 25W/Ch @ 8 ohms, 35W/Ch @ 4 ohms, 20W/Ch @ 16 ohms. Frequency Response: +/- 0.1 dB from 20 Hz to 20 kHz at 1 watt. THD: