Denon Professional: DN-474A by Millionhead Giving the maximum power at 120 watts. 4 channels 4/8 OMH and 70/100V come with LED lights).

2x2-Channel Dual-Simpedenance Amplifier Amplifier Giving the maximum power at 120 watts. 4 channels 4/8 OMH and 70/100V respond to the frequency area between 100Hz --15KHz. Comes with LED lights for showing light signals that enhances the appropriate performance. DN-474A 2x2-Channel Dual-Impedance Amplifier is Designed for Contractor/Install Market Applications Which Specify Installed Speaker Speaker Speaker Requiring 70V/100V Inputs, and HAS THE DEDED FLEXBILLING LO-LO-LO-LO-LO-LO-LOACINES 8ω). The Amplifier is split So That Two Channels Handle The Lo-in-Speakers, WHILE TWO Channels Take Care of the 70V/100V SPEAKER RUNS. IPPing Status and Thermal Interruption on the Front Panel. Enginered for the Distribution of Multiple 70V/100V Speaker Speaker Systems Over Long Cable Runs-SUCH AS in-Ceiling Speakers Ers. < BR> Features: 4-Channel Class-D Amplifier2 X 120 Watts with 70V/100V Outputs2 x 150/90 Watts With 4/8-ohm Ladseuroblock Inputs and OutputsseParate Gain ControlSigns and the Clips and Therupping in Interior Dicatorsshort-Circuit and Open- Circuit Protection