Nord One UP NC500DM June 2018 This is my Nord Class D Power Amplifier which runs the Scanspeak Bass drivers. The Amplifier output is 400w/8ohm, 700w/4ohm, the Scanspeak Bass drivers are 4ohm. The 2 channel Amp is fully Dual Mono and houses: x2  Hypex SMPS1200A700  Power Supplies x2 Hypex NC500 Class D Amplifier Modules x2 Nord RevC Input Buffers, with Sparkos Labs Discrete Regulators/SS3602 Op Amps It's a powerful and quite Amp, of high quality and has a huge damping factor, perfectly suited for Bass duties.