Marantz PM4001 Stereo Integrated Amplifier (2005-08) Beautiful Marantz amplifier, perfectly working and playing well. The Marantz PM4001 is an integratie amplifier form Marantz, a well-known brand in the audio industry. It was released in the mid-2000s as part of their entry-level to mid-range product line, designed to provide high-quality audio performance at an affordable price point. Photos serve as additional description of product condition / condition of display & LEDs. Please review them carefully before purchase. PECS: Power output: 40 watts per channel into 8Ω (stereo) Frequency response: 10Hz to 50kHz Total harmonic distortion: 0.01% Damping factor: 100 Input sensitivity: 2.5mV (MM), 170mV (line) Signal to noise ratio: 80dB (MM), 104dB (line) Channel separation: 70dB (line) Speaker load impedance: 4Ω (minimum) Dimensions: 440 x 117 x 341mm Weight: 6.6kg