An Evolution 70 Years in The Making For those who choose every component carefully a pure and powerful amplifier is essential. MODEL 50 is the ideal integrated amplifier. With 70 watts per channel of unique Marantz current feedback power and HDAM SA-3 circuitry MODEL 50 drives loudspeakers with total control. Six analog inputs including a high-quality MM Phono stage make it the centerpiece of streamlined and complex stereo systems alike. Features Powerful and Precise Class A/B Amplifier Six Analog Inputs including MM Phono Subwoofer and Stereo Preamp Out Five-Year Warranty Powerful Yet Precise With a precisely engineered Class A/B amplifier MODEL 50 will drive your loudspeakers with authority yet reveal details you never knew existed. Analog Purity and Simplicity Analog is paramount in the design of MODEL 50. The decision to exclude digital audio ensures completely intuitive operation and eliminates the risk of interference from complex digital circuitry. Connect Anything. Hear Everything. With six analog inputs including for your turntable MODEL 50 can reveal the musicality in all your stereo source components. Exquisite Style We designed MODEL 50 to be thoroughly modern yet timeless. Hallmark aesthetic cues like symmetry warmth and tactile satisfaction push the boundaries of audio equipment design yet always pays homage to icons of our past. Stereo Preamp Out MODEL 50 grows with you. Stereo preamp outputs leverage discrete HDAM design with external amplification. Subwoofer Out Want more bass? Simply connect a powered subwoofer to the dedicated RCA output. What's in the Box MODEL 50 Pure Analog Stereo Integrated Amplifier Power Cord Manual Specifications FeaturesChannels: 2 Current Feedback Topology: Yes Phono EQ: Standard / Marantz Musical / Marantz Musical Premium: No / Yes / No Digital in: USB-B / optical / coaxial / USB-A: No / No / No / No HDAM version: SA2 SA3 Power Transformer: