NAD C 368 vs NAD C 399 Detailed Comparison

NAD C 368 vs NAD C 399

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NAD C 368

Integrated Amplifier | 80 watts RMS into 8-ohms

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NAD C 399

Integrated Amplifier | 180 watts RMS into 8-ohms

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NAD C 368

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NAD C 399

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NAD C 368

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NAD C 399

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NAD C 368 vs NAD C 399 Integrated Amplifier Comparison

In this review, we will be comparing C 368 and C 399, two Integrated Amplifiers by NAD. Let's have a brief look at the main features of NAD C 368 and NAD C 399 first before getting into our more detailed comparison.

Key Specs	NAD C 368	NAD C 399
Power	80 watts x 2 channels into 8 ohms and 80 watts x 2 channels into 4 ohms	180 watts x 2 channels into 8 ohms and 180 watts x 2 channels into 4 ohms
Amplifier class	Class D	Class D
Damping factor	300	—
Built-in DAC	Yes	Yes
Phono input	Yes	Yes
Headphone output	1/4	1/4
Bluetooth	Yes	Yes
Weight	7.82kg / 17.2lbs	11.23kg / 24.7lbs
Dimensions (H x W x D)	4" x 17-1/8" x 16-5/8" 102.0mm x 435.0mm x 423.0mm	4-13/16" x 17-1/8" x 16-7/16" 123.0mm x 435.0mm x 418.0mm

What size room are the NAD C 368 and NAD C 399 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 C 368	NAD C 399
Near-field	Poor	Are you nuts?
Small Room	Average	Bad
Mid-size Room	Good	Poor
Large Room	Average	Good
Very Large Room	Poor	Good

C 368 and C 399 are members of NAD's Classic series of speakers. Below you can find the loudspeakers from this series.

NAD Classic Series History

Model	Watts RMS (8-ohms)	Minimum Impedance	Built-in DAC
NAD C316BEE V2	40 watts	4-ohms	No
NAD C 389	130 watts	4-ohms	Yes
NAD C 399	180 watts	4-ohms	Yes
NAD C 388	150 watts	4-ohms	Yes
NAD C 368	80 watts	4-ohms	Yes
NAD C 328	40 watts	4-ohms	Yes
NAD C 368 BluOS-2i	80 watts	4-ohms	Yes
NAD C 700	80 watts	4-ohms	Yes
NAD C 338	50 watts	4-ohms	Yes
NAD C 3050	100 watts	4-ohms	Yes

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 NAD C 368 over NAD C 399

MSRP Price(*)	1,199USD vs 1,999USD	costs less (*prices may change depending on the seller, location and time)
Signal to Noise Ratio	98 dB vs 95 dB	Higher ratings results in cleaner sound
Height	102mm vs 123mm	Easier to fit in smaller spaces

Reasons to choose NAD C 399 over NAD C 368

Watts into 8-ohms	180 watts vs 80 watts	Delivers higher power into 8-ohms speakers
Watts into 4-ohms	180 watts vs 80 watts	Delivers higher power into 4-ohms speakers
Total Harmonic Distortion (THD)	0.02% vs 0.03%	Less Harmonic Distortion
Base Surface Area	1818.3cm²/ 281.8inch² vs 1840.1cm²/ 285.2inch²	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 NAD C 368 and NAD C 399 differs from each other.

NAD C 368 Inputs

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

NAD C 399 Inputs

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

NAD C 368 Back View (Click the image for the larger version)

Outputs

Stereo RCA Preamp Outputs
1/4 Headphone Output

Outputs

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

NAD C 399 Back View (Click the image for the larger version)

What's in the Box of NAD C 368?

Here are the items that are included inside the box of C 368:

Hybrid Digital DAC Amplifier
6-feet AC power cord
Bluetooth antenna
Remote control (SR 9)
2 AA batteries
Quick Setup Guide
Warranty Information

What's in the Box of NAD C 399?

Here are the items that come with the C 399:

Integrated amplifier
6-feet AC power cord
Remote control (SR 9)
2 AA batteries
Antenna
Quick Setup Guide
Important Safety Instructions
Warranty Card