S2-A36F Alpine S-Series 4-Channel Amplifier, 60W x 4 at 4-Ohm, 90W x 4 at 2-Ohm
Its sleek redesign houses an Alpine Class D Amplifier Circuit and is now certified for Hi-Res Audio. The Next-Gen Alpine S-Series S2-A36F 4-Channel Amplifier is Hi-Res Audio Certified and able to reproduce up to 40kHz frequency response.