Enjoy high-resolution stereo sound with the Denon PMA-60 Digital Integrated Stereo Amplifier. The unit features a Class-D amplifier section that incorporates Qualcomm DDFA technology to produce a nuanced yet powerful sound with up to 25W of power per channel at 8 Ohms. When connected to a Mac or Windows computer via the USB-DAC port, the integrated DAC utilizes Advanced AL32 digital audio processing to playback PCM files up to 384 kHz/32-bit, with enhanced dynamic range and improved resolution at low level.