The Denon PMA-1080R is a powerful integrated amp of outstanding sound quality without any weak points. It handles all frequencies from the very low to the very high and everything between with impeccable control and authority without adding any coloration. Powerful, very fast, clear and transparent sound perfect build with the best parts all input channels . are connected by relays there are 11 of them inside The volume is regulated by the remote , you see the volumeknop turning it will be well packed en send with assurance Power output: 105 watts per channel into 8Ω (stereo) Power output: 180 watts per channel into 4Ω (stereo) Frequency response: 20Hz to 20kHz Total harmonic distortion: 0.004% Input sensitivity: 0.2mV (MC), 2.5mV (MM), 150mV (line) Dimensions: 434 x 160 x 396mm Weight: 12.7kg Accessories: RC-151 remote control