The Marantz Model 40n is a premium integrated stereo amplifier that combines refined analog amplification with modern digital streaming technologies, making it a versatile centerpiece for contemporary hi-fi systems. It delivers up to 70 watts per channel into 8 ohms and up to 100 watts per channel into 4 ohms, providing ample clean power to drive a wide range of speakers with clarity and control. Built with Marantz’s Hyper Dynamic Amplifier Modules (HDAM) and a robust Class AB amplifier design, the Model 40n preserves musical detail and dynamic expression across music genres. Networking and digital features are extensive — it includes HEOS-built-in streaming, Apple AirPlay 2, Bluetooth, Ethernet, HDMI ARC, and Wi-Fi — so users can stream high-resolution audio from popular services or connect TV audio through HDMI. Additional connectivity such as a Marantz Musical Phono EQ for MM turntables, multiple analog and digital inputs, dedicated subwoofer output, and intuitive control options make the Model 40n both powerful and flexible for modern listening environments
Features:
- High-Performance Sound – 140W stereo output with HDAM amplification for superior audio clarity.
- Multiroom Streaming – HEOS built-in with Bluetooth, Apple AirPlay 2, Wi-Fi, and Ethernet.
- Versatile Connectivity – Supports HDMI ARC, USB playback, RCA inputs, and digital audio connections.
- Smart Assistant Compatibility – Works with Amazon Alexa, Google Assistant, and Apple Siri.
- Subwoofer Integration – Dedicated subwoofer output with crossover settings for deep bass control.
- Premium Build – Elegant aluminum and steel design with analog control knobs and a classic porthole display.
Specifications:
| Feature | Details |
|---|---|
| Channels | 2.1 |
| Power Output | 70W (8Ω), 100W (4Ω) per channel |
| Frequency Response | 5 Hz – 50 kHz |
| Total Harmonic Distortion (THD) | 0.02% (20Hz – 20kHz) |
| Input Impedance | Phono: 47 kΩ, RCA: 20 kΩ, Power Amp: 15 kΩ |
| Connectivity | Bluetooth, Wi-Fi, AirPlay 2, HEOS |
| Rear Inputs | 1x Phono MM, 3x RCA, 1x Optical, 1x Coaxial, 1x HDMI ARC, 1x USB-A |
| Rear Outputs | 1x RCA Recorder, 1x RCA Subwoofer Pre-Out |
| Front I/O | 1x 6.35mm Headphone Output |
| Virtual Assistant Support | Alexa, Google Assistant, Apple Siri |
| Power Consumption | 220W (Active) |
| Dimensions (W x H x D) | 17.4 x 5.1 x 17.0″ (44.2 x 13.0 x 43.2 cm) |
| Package Weight | 43.37 lbs |
| Box Dimensions | 21.6 x 20.6 x 10.7″ |
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