Rotel A14 MKII vs NAD C 399 Detailed Comparison

Rotel A14 MKII vs NAD C 399

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Rotel A14 MKII

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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Rotel A14 MKII

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NAD C 399

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Rotel A14 MKII

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NAD C 399

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Rotel A14 MKII vs NAD C 399 Integrated Amplifier Comparison

In this review, we will be comparing A14 MKII and C 399, two Integrated Amplifiers from Rotel and NAD. Let's have a brief look at the main features of Rotel A14 MKII and NAD C 399 first before getting into our more detailed comparison.

Key Specs	Rotel A14 MKII	NAD C 399
Power	80 watts x 2 channels into 8 ohms and 150 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 A/B	Class D
Built-in DAC	Yes	Yes
Phono input	Yes	Yes
Headphone output	3.5mm	1/4
Bluetooth	Yes	Yes
Weight	8.95kg / 19.7lbs	11.23kg / 24.7lbs
Dimensions (H x W x D)	3-11/16" x 17" x 14-15/16" 94.0mm x 432.0mm x 380.0mm	4-13/16" x 17-1/8" x 16-7/16" 123.0mm x 435.0mm x 418.0mm

What size room are the Rotel A14 MKII 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	Rotel A14 MKII	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

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 Rotel A14 MKII over NAD C 399

MSRP Price(*)	1,600USD vs 1,999USD	costs less (*prices may change depending on the seller, location and time)
Total Harmonic Distortion (THD)	0.018% vs 0.02%	Less Harmonic Distortion
Signal to Noise Ratio	100 dB vs 95 dB	Higher ratings results in cleaner sound
Total Analog Inputs	4 vs 2	More options for connecting Analog sources
Roon	Tested vs No	Roon Compatibility
Base Surface Area	1641.6cm²/ 254.4inch² vs 1818.3cm²/ 281.8inch²	takes less space in your room
Height	94mm vs 123mm	Easier to fit in smaller spaces

Reasons to choose NAD C 399 over Rotel A14 MKII

Watts into 8-ohms	180 watts vs 80 watts	Delivers higher power into 8-ohms speakers
Watts into 4-ohms	180 watts vs 150 watts	Delivers higher power into 4-ohms speakers

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 Rotel A14 MKII and NAD C 399 differs from each other.

Rotel A14 MKII Inputs

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

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

Rotel A14 MKII Back View (Click the image for the larger version)

Outputs

Stereo RCA Preamp Outputs
3.5mm 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 Rotel A14 MKII?

Here are the items that are included inside the box of A14 MKII:

Stereo integrated amplifier
58-inch AC power cord
Remote control (RR-AX1400)
2 AAA 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

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