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.

Rotel A14 MKII Key Specs

80 watts RMS into 8-ohms

Built-in DAC

Phono Input

USB Input

Bluetooth

Weight: 19.70 lbs / 8.95 kg

Dimensions (H x W x D):3-11/16inch x 17inch x 14-15/16inch

NAD C 399 Key Specs

180 watts RMS into 8-ohms

Built-in DAC

Phono Input

USB Input

HDMI Input (eARC)

Bluetooth v4.0

Weight: 24.70 lbs / 11.23 kg

Dimensions (H x W x D):4-13/16inch x 17-1/8inch x 16-7/16inch

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

In the following sections, we will get into more detail in order to understand how Rotel A14 MKII and NAD C 399 compares and end up with enough arguments to decide which one of these amplifiers is the better choice for you.

**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.

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
BluOS	Yes vs No	Compatible with BluOS Wireless Ecosystem

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