Marantz MODEL 40n

The Marantz MODEL 40n is a premium integrated stereo amplifier that blends classic analog performance with modern streaming technology in a beautifully crafted component. Combining Marantz's renowned HDAM-SA3 amplification, a high-current Class A/B output stage, and built-in HEOS® streaming, the MODEL 40n delivers exceptional musicality while serving as the central hub for today's connected audio systems. Whether you're enjoying vinyl records, high-resolution streaming, or TV audio via HDMI ARC, it offers a refined listening experience with the warmth and detail that define the Marantz sound.

Designed for listeners who want uncompromising two-channel performance without sacrificing convenience, the MODEL 40n integrates premium analog circuitry with advanced wireless streaming, HDMI ARC, and high-resolution digital playback. Its elegant industrial design, double-shielded toroidal transformer, and meticulously tuned components make it equally at home in dedicated listening rooms and sophisticated living spaces.

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The Marantz MODEL 40n is engineered to deliver the musical refinement of a traditional audiophile integrated amplifier while embracing the convenience of today's streaming ecosystem. Its discrete Class A/B amplifier, proprietary HDAM-SA3 circuitry, and carefully tuned analog signal path produce a rich, natural presentation with outstanding detail, wide soundstaging, and precise imaging. Designed by the Marantz Sound Master, every aspect of the amplifier has been optimized to preserve musical expression and emotional impact.

Delivering 70 watts per channel into 8 ohms and 100 watts into 4 ohms, the MODEL 40n provides ample power for a broad range of bookshelf and floor-standing loudspeakers. A double-shielded toroidal transformer ensures stable current delivery, while Source Direct mode bypasses unnecessary circuitry to provide the cleanest possible signal path during critical listening sessions. The built-in Moving Magnet phono stage also allows vinyl enthusiasts to connect a turntable directly without requiring an external phono preamplifier.

Modern connectivity is seamlessly integrated into the amplifier without compromising its analog heritage. HEOS® Built-in provides access to popular streaming services, AirPlay 2, Bluetooth, Wi-Fi, and Roon Ready functionality, while HDMI ARC enables effortless connection to a television for enhanced movie and TV sound. Optical, coaxial, USB, and analog inputs make the MODEL 40n equally capable with both legacy and contemporary source components.

Combining timeless Marantz craftsmanship with today's most desirable audio technologies, the MODEL 40n is an outstanding choice for listeners seeking a single component that excels at both music streaming and traditional hi-fi playback. Its elegant design, premium construction, and exceptional sonic performance make it a versatile centerpiece for any high-end stereo system.

  • Component type: Premium integrated stereo amplifier with HEOS® Built-in

  • Amplifier technology: High-current Class A/B amplifier with Marantz HDAM-SA3 circuitry

  • Power output: 70 W × 2 into 8 Ω, 100 W × 2 into 4 Ω

  • Streaming platform: HEOS® Built-in

  • Frequency response: 5 Hz – 50 kHz

  • Total harmonic distortion (THD): 0.02%

  • Phono stage: Moving Magnet (MM) with Marantz Musical Phono EQ

  • Inputs: 4 analog RCA inputs, MM phono input, optical digital input, coaxial digital input, USB-A, HDMI ARC, Power Amp Direct input

  • Outputs: Subwoofer pre-out with selectable crossover, headphone output, Speaker A/B terminals

  • Wireless connectivity: Wi-Fi, Bluetooth, Apple AirPlay 2, Spotify Connect, TIDAL, Amazon Music HD, Roon Ready, Internet Radio

  • Design features: Double-shielded toroidal transformer, Source Direct mode, premium aluminum front panel, HDAM-SA3 modules, OLED porthole display, and remote control included.