Mark Levinson No.536 Mono Power Amplifier Staggering Power, Miracle-Conjuring Sound: 400Wpc Mark Levinson № 536 Power Amplifier Turns Listening Experiences Into Aural Epiphanies, Features Fully Discrete and Differential Signal Paths. Voltage-stable independent of load, big, heavy, and able to provide gobs and gobs of high current to effortlessly drive practically any loudspeaker in existence: The Mark Levinson № 536 mono power amplifier turns listening experiences into aural epiphanies. Product Highlights: Input connectors: one Balanced, one single-ended Speaker Connectors: two pairs of Hurricane loudspeaker outputs banana-plug sockets per channel Control I/O: Ethernet, RS-232, Trigger In and Out, USB-A, Mini USB Rated Output Power: 400 wpc RMS @ 8Ω 20Hz to 20kHz @ 85dB, reference level: 2.83 VRMS Input Impedance: 60 kΩ balanced; 30 kΩ unbalanced Voltage Gain: 26dB Input Sensitivity: 2.83VRMS output at 142mVRMS input Power Requirements: 100V~, 120V~, 230V~, factory set for destination