Musical Fidelity M2si vs NAD C 389 Detailed Comparison

Musical Fidelity M2si vs NAD C 389

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Musical Fidelity M2si

Integrated Amplifier | 76 watts RMS into 8-ohms

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NAD C 389

Integrated Amplifier | 130 watts RMS into 8-ohms

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Musical Fidelity M2s...

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NAD C 389

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Musical Fidelity M2s...

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NAD C 389

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Musical Fidelity M2si vs NAD C 389 Integrated Amplifier Comparison

In this review, we will be comparing two different types of amplifiers. Musical Fidelity M2si is a Integrated Amplifier speaker whereas the C 389 is a Integrated Amplifier with built-in DAC speaker.

Let's have a brief look at the main features of Musical Fidelity M2si and NAD C 389 first before getting into our more detailed comparison.

Key Specs	Musical Fidelity M2si	NAD C 389
Power	76 watts x 2 channels into 8 ohms and 137 watts x 2 channels into 4 ohms	130 watts x 2 channels into 8 ohms and 130 watts x 2 channels into 4 ohms
Amplifier class	Class A/B	Class D
Built-in DAC	No	Yes
Phono input	Yes	Yes
Headphone output	No	1/4
Bluetooth	No	Yes
Weight	9.20kg / 20.2lbs	8.70kg / 19.1lbs
Dimensions (H x W x D)	3-15/16" x 17-5/16" x 15-3/4" 100 x 440 x 400 mm	3-15/16" x 17-1/8" x 15-7/16" 100 x 435 x 392 mm

What size room are the Musical Fidelity M2si and NAD C 389 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	Musical Fidelity M2si	NAD C 389
Near-field	Poor	Poor
Small Room	Average	Poor
Mid-size Room	Good	Good
Large Room	Average	Good
Very Large Room	Poor	Average

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

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

Reasons to choose Musical Fidelity M2si over NAD C 389

MSRP Price(*)	1,299USD vs 1,499USD	costs less (*prices may change depending on the seller, location and time)
Watts into 4-ohms	137 watts vs 130 watts	Delivers higher power into 4-ohms speakers
Total Harmonic Distortion (THD)	0.014% vs 0.02%	Less Harmonic Distortion
Signal to Noise Ratio	96 dB vs 95 dB	Higher ratings results in cleaner sound
Total Analog Inputs	5 vs 3	More options for connecting Analog sources

Reasons to choose NAD C 389 over Musical Fidelity M2si

Watts into 8-ohms	130 watts vs 76 watts	Delivers higher power into 8-ohms speakers
Buil-in DAC	Yes vs No	Connect digital sources without an external DAC
Bluetooth	Yes vs No	Stream music via Bluetooth devices
USB Input	Yes vs	Connect Sources via USB
Headphone Output	1/4 vs No	Connect your headphone to the amplifier
Base Surface Area	1705.0cm²/ 264.3inch² vs 1760.0cm²/ 272.8inch²	takes less space in your room

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 Musical Fidelity M2si and NAD C 389 differs from each other.

Musical Fidelity M2si Inputs

Total Number of Analog Inputs: 5
Phono Input

NAD C 389 Inputs

Total Number of Analog Inputs: 3
Phono Input
2 Optical Digital Input
2 Coaxial Digital Input
USB Input:
- USB-A(Service Only)
HDMI eARC

Outputs

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

NAD C 389 Back View (Click the image for the larger version)