NAD C 338 vs NAD C 399 Detailed Comparison

NAD C 338 vs NAD C 399

Amp to replace

Change

NAD C 338

Integrated Amplifier | 50 watts RMS into 8-ohms

CHECK PRICE

Change

NAD C 399

Integrated Amplifier | 180 watts RMS into 8-ohms

CHECK PRICE

NAD C 338

See at AMAZON

NAD C 399

See at AMAZON

NAD C 338

See at AMAZON

NAD C 399

See at AMAZON

NAD C 338 vs NAD C 399 Integrated Amplifier Comparison

In this review, we will be comparing C 338 and C 399, two Integrated Amplifiers by NAD. Let's have a brief look at the main features of NAD C 338 and NAD C 399 first before getting into our more detailed comparison.

NAD C 338 Key Specs

50 watts RMS into 8-ohms

Built-in DAC

Phono Input

Bluetooth v4.0

Weight: 10.70 lbs / 4.86 kg

Dimensions (H x W x D):2-13/16inch x 17-1/8inch x 12-3/16inch

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 NAD C 338 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 338	NAD C 399
Near-field	Average	Are you nuts?
Small Room	Good	Bad
Mid-size Room	Average	Poor
Large Room	Poor	Good
Very Large Room	Bad	Good

C 338 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 C 389	130 watts	4-ohms	Yes
NAD C316BEE V2	40 watts	4-ohms	No
NAD C 368 BluOS-2i	80 watts	4-ohms	Yes
NAD C 399	180 watts	4-ohms	Yes
NAD C 388	150 watts	4-ohms	Yes
NAD C 328	40 watts	4-ohms	Yes
NAD C 368	80 watts	4-ohms	Yes
NAD C 700	80 watts	4-ohms	Yes
NAD C 399 BluOS-D	180 watts	4-ohms	Yes
NAD C 388 BluOS-2i	150 watts	4-ohms	Yes

In the following sections, we will get into more detail in order to understand how NAD C 338 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 NAD C 338 over NAD C 399

MSRP Price(*)	799USD 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
Wi-Fi	Yes vs No	High quality streaming over WiFi
Built-in Chromecast	Yes vs No	Compatible with Chromecast Streaming
Built-in Chromecast	Yes vs No	Compatible with Chromecast Streaming
Base Surface Area	1348.5cm²/ 209.0inch² vs 1818.3cm²/ 281.8inch²	takes less space in your room
Height	72mm vs 123mm	Easier to fit in smaller spaces

Reasons to choose NAD C 399 over NAD C 338

Watts into 8-ohms	180 watts vs 50 watts	Delivers higher power into 8-ohms speakers
Watts into 4-ohms	180 watts vs 50 watts	Delivers higher power into 4-ohms speakers
Total Harmonic Distortion (THD)	0.02% vs 0.03%	Less Harmonic Distortion
USB Input	Yes vs No	Connect Sources via USB
BluOS	Yes vs No	Compatible with BluOS Wireless Ecosystem
Max Bit Depth	32-bit vs 24-bit	Play higher resolution range media
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 C 338 and NAD C 399 differs from each other.

NAD C 338 Inputs

Total Number of Analog Inputs: 2
Phono Input
2 Optical Digital Input
2 Coaxial Digital Input

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 338 Back View (Click the image for the larger version)

Outputs

Sub Preamp Outputs
1/4 Headphone Output
Subwoofer 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 338?

Here are the items that are included inside the box of C 338:

Hybrid Digital DAC Amplifier

6-feet AC power cord

2 WiFi antennas

Bluetooth antenna

Remote control (Amp 3)

CR2025 3V battery

Quick Setup Guide

Chromecast Built-in installation instructions

Warranty Information

-inchAttention-inch note

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