NAD M32 vs Rotel RA-1592 MKII Detailed Comparison

NAD M32 vs Rotel RA-1592 MKII

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NAD M32

Integrated Amplifier | 150 watts RMS into 8-ohms

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Rotel RA-1592 MKII

Integrated Amplifier | 200 watts RMS into 8-ohms

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NAD M32

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Rotel RA-1592 MKII

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NAD M32

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Rotel RA-1592 MKII

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NAD M32 vs Rotel RA-1592 MKII Integrated Amplifier Comparison

In this review, we will be comparing M32 and RA-1592 MKII, two Integrated Amplifiers from NAD and Rotel. Let's have a brief look at the main features of NAD M32 and Rotel RA-1592 MKII first before getting into our more detailed comparison.

Key Specs	NAD M32	Rotel RA-1592 MKII
Power	150 watts x 2 channels into both 8 and 4 ohms continuous, with dynamic power of 190 watts into 8 ohms, 380 watts into 4 ohms and 440 watts into 2 ohms	200 watts x 2 channels into 8 ohms and 350 watts x 2 channels into 4 ohms
Amplifier class	Class D	Class A/B
Damping factor	800	—
Built-in DAC	Yes	Yes
Phono input	Yes	Yes
Headphone output	Yes	3.5mm
Bluetooth	No	Yes
Weight	7.71kg / 17lbs	17.64kg / 38.8lbs
Dimensions (H x W x D)	5-3/16" x 17-1/8" x 15-1/4" 132 x 435 x 388 mm	5-7/8" x 17-1/16" x 17-1/8" 150.0mm x 434.0mm x 435.0mm

What size room are the NAD M32 and Rotel RA-1592 MKII Amplifiers good for?

The size of the room in which you are planning to use these amplifiers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their max power parameters:

Listening Environment	NAD M32	Rotel RA-1592 MKII
Near-field	Poor	Are you nuts?
Small Room	Poor	Bad
Mid-size Room	Good	Poor
Large Room	Good	Good
Very Large Room	Average	Good

The sections below take each area in turn: power output, inputs and outputs, features and physical size.

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Reasons to choose NAD M32 over Rotel RA-1592 MKII

Total Harmonic Distortion (THD)	0.005% vs 0.008%	Less Harmonic Distortion
Signal to Noise Ratio	124 dB vs 103 dB	Higher ratings results in cleaner sound
Minimum Impedance	2 ohms vs 4 ohms	Compatible with 2-ohms speakers
Optical Digital Inputs	Yes vs 3	More options for connecting Digital sources
Coaxial Digital Inputs	Yes vs 3	More options for connecting Digital sources
Base Surface Area	1687.8cm²/ 261.6inch² vs 1887.9cm²/ 292.6inch²	takes less space in your room
Height	132mm vs 150mm	Easier to fit in smaller spaces

Reasons to choose Rotel RA-1592 MKII over NAD M32

MSRP Price(*)	3,200USD vs 3,299USD	costs less (*prices may change depending on the seller, location and time)
Watts into 8-ohms	200 watts vs 150 watts	Delivers higher power into 8-ohms speakers
Watts into 4-ohms	350 watts vs 150 watts	Delivers higher power into 4-ohms speakers
Bluetooth	Yes vs No	Stream music via Bluetooth devices
Max Sample Rate	384kHz vs 192kHz	Play higher resolution media

Inputs and Outputs

The input and output selections that are offered is an important factor when comparing two amplifiers. Here you can find how the I/O selections of the NAD M32 and Rotel RA-1592 MKII differs from each other.

NAD M32 Inputs

Total Number of Analog Inputs: 4
Phono Input
Yes Optical Digital Input
Yes Coaxial Digital Input
USB Input:
XLR Input Port

Rotel RA-1592 MKII Inputs

Total Number of Analog Inputs: 4
Phono Input
3 Optical Digital Input
3 Coaxial Digital Input
USB Input:
- USB-A front(Connects to iOS devices)
- USB-B (allows connection to your Windows PC or Mac computer)
Ethernet Port

Outputs

Yes Headphone Output

Outputs

Stereo RCA, Sub Preamp Outputs
3.5mm Headphone Output
Subwoofer Output

Rotel RA-1592 MKII Back View (Click the image for the larger version)

What's in the Box of Rotel RA-1592 MKII?

Here are the items that come with the RA-1592 MKII:

Stereo integrated amplifier
58-inch AC power cord
Remote control (RR-AX150)
2 AA batteries
5-feet USB-B to USB-A cable
57-inch Ethernet cable
Quick Installation Guide
Warranty/Registration Card
Important Safety Instructions
Addendum For Roon Test