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Marantz Model 40n Review
Marantz Model 40n

Main Features

  • 70 watts RMS into 8-ohms
  • Built-in DAC
  • Phono Input
  • USB Input
  • Bluetooth v4.2
  • Weight: 23.81 lbs / 10.82 kg
  • Dimensions (H x W x D):5-1/8 x 17-3/8 x 19-1/16 inch
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Marantz Model 40n Review

The Model 40n is an Streaming Integrated Amplifier by Marantz that delivers 70 watts x 2 channels into 8 ohms and 100 watts x 2 channels into 4 ohms. Minimum impedance of 4 ohms makes the Model 40n compatible with a wide range of loudspeakers. Thanks to its built-in ESS ES9016 DAC DAC, you can play digital sources directly without the need for an external DAC unit. Marantz Model 40n lets you connect your turntable via its Phono input and start listening to your vinyl collection without a hassle. Marantz Model 40n has an MSRP of 2499$.

There are 6 Marantz amplifiers in our database. Below you can see the main specs of these amps.

Marantz Integrated Amplifier Series
Model Watts RMS (8-ohms) Minimum Impedance Built-in DAC Bluetooth
Marantz Model 40n
70 watts4-ohmsYesYes
Marantz PM6007
Compare
45 watts4-ohmsYesNo
Marantz PM8006
Compare
70 watts4-ohmsNoNo
Marantz PM7000N
Compare
60 watts4-ohmsYesYes
Marantz Model 30
Compare
100 watts4-ohmsNoNo
Marantz PM-10
Compare
200 watts4-ohmsNoNo


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Performance Specs

One of the most important factors when deciding on an integrated amplifier is its power ratings and compatibility with your speaker's impedance requirements.The Marantz Model 40n is rated at 70 watts RMS into 8-ohms. Marantz provides this wattage at a THD (Total Harmonic Distortion) of 0.02% which is an important indicator of distortion at the given values (lower THD is better).

Here are the main highlights of its performance specs:

  • 70 watts into 8-ohms (20-20k) at 0.02%
  • 100 watts into 4-ohms
  • 4-ohms Min Impedance (allows compatibility with a wide range of loudspeakers)
  • 106dB Signal to Noise Ratio

When pairing the Marantz Model 40n with a passive Bookshelf (Stand mount) or Passive Floor Standing (Tower) speaker, you have to check if their Max Power Range is below the max wattage of the amp for the given impedance levels. Operating your amp outside of this max range may damage the speakers.

Marantz Model 40n Power Supply
Marantz Model 40n Power Supply

Marantz Model 40n amplifier
Marantz Model 40n Amplifier



What size of room is the Marantz Model 40n Amplifier good for?

An essential deciding factor is the size of the room in which you intend to employ the Marantz Model 40n amplifier. Here, taking into account its maximum power parameters, we analyzed its applicability to various size environments:

Listening Environment Suitability
Near-fieldPoor
Small RoomAverage
Mid-size RoomGood
Large RoomAverage
Very Large RoomPoor

Inputs and Outputs

Besides the performance specs of the Marantz Model 40n, the next important feature set that you have to evaluate is the input and output selections that it offers. Marantz Model 40n has total of 3 Analog inputs including 1 Phono Input (MM).

Marantz Model 40n Back View
Marantz Model 40n Back View (Click the image for the larger version)

Inputs
  • Total Number of Analog Inputs: 3
  • Phono Input
  • 1 Optical Digital Input
  • 1 Coaxial Digital Input
  • USB Input:

Outputs
  • Sub Preamp Outputs
  • 1/4 Headphone Output
  • Subwoofer Output

Bluetooth Connectivity

Marantz Model 40n features built-in Bluetooth 4.2 for wireless music streaming from your Bluetooth-enabled devices such as Apple iPod/iPhone/iPad, Android smartphone/tablet, Windows PC, Mac computers/laptops.

Among the amps in the same price range, these are the 5 amps that have Bluetooth Connectivity:

  • Marantz Model 40n - MSRP 2499$ - Compare w/ Model 40n
  • Rotel RA-1572 MKII - MSRP 2499$ - Compare w/ Model 40n
  • Audiolab 9000A - MSRP 2499$ - Compare w/ Model 40n
  • Roksan Attessa Integrated Amp - MSRP 2499$ - Compare w/ Model 40n
  • NAD Masters Series M10 V2 - MSRP 2499$ - Compare w/ Model 40n

Phono Input

Marantz Model 40n features one Phono Input which is compatible with MM (Moving Magnet) type of phono cartridges, you can connect your turntable with MM cartridges directly to this amp without the need for a phono preamp. If you are using an MC cartridge on your turntable, you need to use a phono preamp that has MC phono stage.

Subwoofer Output

Marantz Model 40n has a dedicated subwoofer output which can be used to connect it directly to a powered subwoofer via an LFE(Low Frequency Effects) cable.
Check our Powered Subwoofers page to find a subwoofer that will work with Marantz Model 40n amp and your speakers.

DAC and Digital Music

The Marantz Model 40n's built-in DAC allows the connection of digital sources directly, eliminating the need for an external DAC. The DAC chip that is used in the Model 40n is the ESS ES9016 DAC , and supports resolutions up to 24-bit, 192KHZ.
 Handheld Remote
Marantz Model 40n Handheld Remote

Marantz Model 40n External Dimensions and Weight

Marantz Model 40n has external dimensions of (H x W x D) 5-1/8inch x 17-3/8inch x 19-1/16inch (131.0mm x 442.0mm x 481.0mm ). The unit weighs 10.82kg / 23.8lbs.

Base Surface Area
Base surface area of an integrated amplifier may become an important decision factor when the space in your room or desk is limited. The base area of the Marantz Model 40n is approximately 2126.0cm2 / 329.5inch2.

  • Width: 442.0mm (17-3/8")
  • Height: 131.0mm (5-1/8")
  • Depth: 481.0mm (19-1/16")
  • Weight: 10.82 kg (23.81lbs)
  • Base Surface Area: ~2126.0cm2 / 329.5inch2
  • Volume: ~27.9 liter / 7.4 gallon

Available colors

Marantz Model 40n is available in Black and Silver/Gold color options.

What's in the Box of Marantz Model 40n?

Here are the items that are included inside the box of Model 40n:
  • Integrated amplifier
  • 6-feet AC power cord
  • Remote control (RC005PM)
  • 2 AAA batteries
  • 2 WiFi/Bluetooth antennas
  • Quick Start Guide Safety Instructions
  • Notes on Radio
  • Warranty Information
  • Spotify note
  • Heos brochure
  • Official Product Page

    Official manufacturer's product page for the Marantz Model 40n Integrated Amplifier can be found below:
    Official Product Page for Marantz Model 40n

    Warranty

    3 Years of parts warranty and 3 Years of labor warranty is generally provided for the Marantz Model 40n by the manufacturer.

    Marantz Model 40n  Lifestyle
    Marantz Model 40n Lifestyle

    Marantz Model 40n Detailed Specifications

    General
    Brand Marantz
    Full Model Name Marantz Model 40n
    Amplifier Type Integrated Amplifier
    Performance
    Watts RMS per Channel into 8-ohms 70 watts
    Watts RMS per Channel into 6-ohms N/A
    Watts RMS per Channel into 4-ohms 100 watts
    Frequency Bandwidth 20-20k
    THD 0.02%
    Minimum Impedance 4
    Signal to Noise Ratio 106 dB
    Digital Music
    Built-in DAC Yes
    DAC Specs ESS ES9016 DAC
    Bluetooth Yes
    WiFi 802.11ac
    Ecosystem
    Apple AirPlay Yes
    Apple AirPlay2 Yes
    DTS Play-Fi No
    Chromecast built-in No
    Roon Tested
    HEOS Yes
    BluOS No

    CONNECTIONS
    Total Analog Inputs 3
    Phono Input Yes
    Optical Digital Inputs 1
    Coaxial Digital Inputs 1
    USB Input Yes
    Preamp Outputs Sub
    Pre-out / Main-in Loop No
    Headphone Output 1/4
    Subwoofer Output Yes
    Removable Power Cord IEC 2-prong
    PHYSICAL SPECS
    Height 131.0mm (5-1/8")
    Width 442.0mm (17-3/8")
    Depth 481.0mm (19-1/16")
    Weight 10.82 kg (23.81lbs)
    Available Colors Black,Silver/Gold
    OTHER
    Tone Controls Yes
    Parts Warranty 3 Years
    Labor Warranty 3 Years
    Marantz Model 40n Alternatives in Streaming Amplifiers
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