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NAD Masters Series M33 Review
NAD Masters Series M33

Main Features

  • 200 watts RMS into 8-ohms
  • Built-in DAC
  • Phono Input
  • USB Input
  • HDMI Input (eARC)
  • Bluetooth v4.0
  • Built-in Room Correction
  • Weight: 21.40 lbs / 9.73 kg
  • Dimensions (H x W x D):5-1/4 x 17-1/8 x 17-5/8 inch
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NAD Masters Series M33 Review
NAD Masters Series M33 NAD Masters Series M...
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The Masters Series M33 is an Streaming Integrated Amplifier by NAD that delivers 200 watts x 2 channels into 8 ohms and 380 watts x 2 channels into 4 ohms. Minimum impedance of 4 ohms makes the Masters Series M33 compatible with a wide range of loudspeakers. Thanks to its built-in 32-bit/384kHz ESS Sabre DAC, you can play digital sources directly without the need for an external DAC unit. NAD Masters Series M33 lets you connect your turntable via its Phono input and start listening to your vinyl collection without a hassle. NAD Masters Series M33 has an MSRP of 5999$.

There are 10 NAD amplifiers in our database. Below you can see the main specs of these amps.

NAD Integrated Amplifier Series
Model Watts RMS (8-ohms) Minimum Impedance Built-in DAC Bluetooth
NAD C 389
Compare
130 watts4-ohmsYesYes
NAD C316BEE V2
Compare
40 watts4-ohmsNoNo
NAD D 3020 V2
Compare
30 watts4-ohmsYesYes
NAD C 399
Compare
180 watts4-ohmsYesYes
NAD C 368 BluOS-2i
Compare
80 watts4-ohmsYesYes
NAD C 388
Compare
150 watts4-ohmsYesYes
NAD C 328
Compare
40 watts4-ohmsYesYes
NAD C 368
Compare
80 watts4-ohmsYesYes
NAD Masters Series M10 V2
Compare
100 watts4-ohmsYesYes
NAD C 700
Compare
80 watts4-ohmsYesYes


**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 NAD Masters Series M33 is rated at 200 watts RMS into 8-ohms. NAD provides this wattage at a THD (Total Harmonic Distortion) of 0.003% which is an important indicator of distortion at the given values (lower THD is better).

Here are the main highlights of its performance specs:

  • 200 watts into 8-ohms (20-20k) at 0.003%
  • 380 watts into 4-ohms
  • 4-ohms Min Impedance (allows compatibility with a wide range of loudspeakers)
  • 120dB Signal to Noise Ratio

When pairing the NAD Masters Series M33 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.


What size of room is the NAD Masters Series M33 Amplifier good for?

An essential deciding factor is the size of the room in which you intend to employ the NAD Masters Series M33 amplifier. Here, taking into account its maximum power parameters, we analyzed its applicability to various size environments:

Listening Environment Suitability
Near-fieldAre you nuts?
Small RoomBad
Mid-size RoomPoor
Large RoomGood
Very Large RoomGood

Inputs and Outputs

Besides the performance specs of the NAD Masters Series M33, the next important feature set that you have to evaluate is the input and output selections that it offers. NAD Masters Series M33 has total of 2 Analog inputs including 1 Phono Input (MM,MC).

NAD Masters Series M33 Back View
NAD Masters Series M33 Back View (Click the image for the larger version)

Inputs
  • Total Number of Analog Inputs: 2
  • Phono Input
  • 2 Optical Digital Input
  • 2 Coaxial Digital Input
  • USB Input:
    • USB-A(Thumbdrive/External HD)
  • HDMI Input (eARC)

Outputs
  • Stereo RCA, Sub Preamp Outputs
  • 1/4 Headphone Output
  • Subwoofer Output

Bluetooth Connectivity

NAD Masters Series M33 features built-in Bluetooth 4.0 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:

  • Naim Nova PE - MSRP 9999$ - Compare w/ Masters Series M33
  • Naim Uniti Star - MSRP 5699$ - Compare w/ Masters Series M33
  • Mark Levinson No.5802 - MSRP 8500$ - Compare w/ Masters Series M33
  • Cambridge Audio Edge A - MSRP 6499$ - Compare w/ Masters Series M33
  • NAD Masters Series M33 - MSRP 5999$ - Compare w/ Masters Series M33

NAD Masters Series M33 supports the following Bluetooth Codecs when used with supported devices:

  • AptX HD

Bluetooth Transmitter:

NAD Masters Series M33 can also act as a Bluetooth transmitter, making it possible to stream the music from the amp to your bluetooth headphones or speakers.

Phono Input

NAD Masters Series M33 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 such as the Cambridge Duo or the iFi ZEN Phono.

Subwoofer Output

NAD Masters Series M33 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 NAD Masters Series M33 amp and your speakers.

DAC and Digital Music

The NAD Masters Series M33'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 Masters Series M33 is the 32-bit/384kHz ESS Sabre, and supports resolutions up to 24-bit, 192KHZ.

NAD Masters Series M33 External Dimensions and Weight

NAD Masters Series M33 has external dimensions of (H x W x D) 5-1/4inch x 17-1/8inch x 17-5/8inch (134.0mm x 435.0mm x 448.0mm ). The unit weighs 9.73kg / 21.4lbs.

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 NAD Masters Series M33 is approximately 1948.8cm2 / 302.1inch2.

  • Width: 435.0mm (17-1/8")
  • Height: 134.0mm (5-1/4")
  • Depth: 448.0mm (17-5/8")
  • Weight: 9.73 kg (21.40lbs)
  • Base Surface Area: ~1948.8cm2 / 302.1inch2
  • Volume: ~26.1 liter / 6.9 gallon

What's in the Box of NAD Masters Series M33?

Here are the items that are included inside the box of Masters Series M33:
  • Integrated streaming amplifier
  • 6-feet AC power cord
  • Remote control (HTRM 2)
  • 4 AA batteries
  • 2 WiFi/Bluetooth antennas
  • Auto calibration microphone
  • USB microphone adapter
  • 4 Magnetic feet
  • Cleaning cloth
  • Quick Setup Guide
  • Internet Update Guidlines
  • Important Safety Instructions
  • Dirac Live Quickstart Guide
  • Warranty Card
  • Official Product Page

    Official manufacturer's product page for the NAD Masters Series M33 Integrated Amplifier can be found below:
    Official Product Page for NAD Masters Series M33

    Warranty

    3 Years of parts warranty and 3 Years of labor warranty is generally provided for the NAD Masters Series M33 by the manufacturer.

    NAD Masters Series M33 Detailed Specifications

    General
    Brand NAD
    Full Model Name NAD Masters Series M33
    Amplifier Type Integrated Amplifier
    Amp Class Class D
    Performance
    Watts RMS per Channel into 8-ohms 200 watts
    Watts RMS per Channel into 6-ohms N/A
    Watts RMS per Channel into 4-ohms 380 watts
    Frequency Bandwidth 20-20k
    THD 0.003%
    Minimum Impedance 4
    Signal to Noise Ratio 120 dB
    Digital Music
    Built-in DAC Yes
    DAC Specs 32-bit/384kHz ESS Sabre
    Bluetooth Yes
    WiFi 802.11n
    Ecosystem
    Apple AirPlay Yes
    Apple AirPlay2 Yes
    DTS Play-Fi No
    Chromecast built-in No
    Roon Ready
    HEOS No
    BluOS Yes

    CONNECTIONS
    Total Analog Inputs 2
    Phono Input Yes
    Optical Digital Inputs 2
    Coaxial Digital Inputs 2
    USB Input Yes
    USB Type USB-A(Thumbdrive/External HD)
    Preamp Outputs Stereo RCA, Sub
    Pre-out / Main-in Loop No
    Headphone Output 1/4
    Subwoofer Output Yes
    Removable Power Cord IEC 3-prong
    PHYSICAL SPECS
    Height 134.0mm (5-1/4")
    Width 435.0mm (17-1/8")
    Depth 448.0mm (17-5/8")
    Weight 9.73 kg (21.40lbs)
    OTHER
    Tone Controls Yes
    Screen Color TFT Touch
    Parts Warranty 3 Years
    Labor Warranty 3 Years
    NAD Masters Series M33 Alternatives in Streaming Amplifiers
    Model Watts RMS (8-ohms) Minimum Impedance Built-in DAC Phono Stage
    NAD C 399
    Compare
    180 watts4-ohmsYesMM
    Naim Uniti Nova
    Compare
    80 watts4-ohmsYesNo
    NAD Masters Series M10 V2
    Compare
    100 watts4-ohmsYesNo
    Primare I35 Prisma
    Compare
    150 wattsN/A-ohmsYesNo
    NAD C 399 BluOS-D
    Compare
    180 watts4-ohmsYesMM
    HiFi Rose RA180
    Compare
    400 watts4-ohmsNoMM,MC
    NAD C 700
    Compare
    80 watts4-ohmsYesNo
    Marantz Model 40n
    Compare
    70 watts4-ohmsYesMM
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