NAD C 399 BluOS-D vs Rotel RA-1592 MKII Detailed Comparison

NAD C 399 BluOS-D vs Rotel RA-1592 MKII

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NAD C 399 BluOS-D

Integrated Amplifier | 180 watts RMS into 8-ohms

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Rotel RA-1592 MKII

Integrated Amplifier | 200 watts RMS into 8-ohms

Check price atAmazon›

NAD C 399 BluOS-D

Check price atAmazon›

Rotel RA-1592 MKII

Check price atAmazon›

NAD C 399 BluOS-D

See at AMAZON

Rotel RA-1592 MKII

See at AMAZON

NAD C 399 BluOS-D vs Rotel RA-1592 MKII Integrated Amplifier Comparison

In this review, we will be comparing two different types of amplifiers. NAD C 399 BluOS-D is a Streaming Integrated Amplifier speaker whereas the RA-1592 MKII is a Integrated Amplifier with built-in DAC speaker.

Let's have a brief look at the main features of NAD C 399 BluOS-D and Rotel RA-1592 MKII first before getting into our more detailed comparison.

Key Specs	NAD C 399 BluOS-D	Rotel RA-1592 MKII
Power	180 watts x 2 channels into 8 ohms and 180 watts x 2 channels into 4 ohms	200 watts x 2 channels into 8 ohms and 350 watts x 2 channels into 4 ohms
Amplifier class	Class D	Class A/B
Built-in DAC	Yes	Yes
Phono input	Yes	Yes
Headphone output	1/4	3.5mm
Bluetooth	Yes	Yes
Weight	11.23kg / 24.7lbs	17.64kg / 38.8lbs
Dimensions (H x W x D)	4-13/16" x 17-1/8" x 16-7/16" 123.0mm x 435.0mm x 418.0mm	5-7/8" x 17-1/16" x 17-1/8" 150.0mm x 434.0mm x 435.0mm

What size room are the NAD C 399 BluOS-D and Rotel RA-1592 MKII 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 399 BluOS-D	Rotel RA-1592 MKII
Near-field	Are you nuts?	Are you nuts?
Small Room	Bad	Bad
Mid-size Room	Poor	Poor
Large Room	Good	Good
Very Large Room	Good	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 NAD C 399 BluOS-D over Rotel RA-1592 MKII

MSRP Price(*)	2,599USD vs 3,200USD	costs less (*prices may change depending on the seller, location and time)
Built-in Room Correction	Yes vs No	Adjusts audio output to compensate for acoustic anomalies in a listening space
Apple AirPlay	Yes vs No	Compatible with Apple Devices with AirPlay
Apple AirPlay 2	Yes vs No	Compatible with Apple Devices with AirPlay 2
BluOS	Yes vs No	Compatible with BluOS Wireless Ecosystem
Base Surface Area	1818.3cm²/ 281.8inch² vs 1887.9cm²/ 292.6inch²	takes less space in your room
Height	123mm vs 150mm	Easier to fit in smaller spaces

Reasons to choose Rotel RA-1592 MKII over NAD C 399 BluOS-D

Watts into 8-ohms	200 watts vs 180 watts	Delivers higher power into 8-ohms speakers
Watts into 4-ohms	350 watts vs 180 watts	Delivers higher power into 4-ohms speakers
Total Harmonic Distortion (THD)	0.008% vs 0.02%	Less Harmonic Distortion
Signal to Noise Ratio	103 dB vs 95 dB	Higher ratings results in cleaner sound
Total Analog Inputs	4 vs 2	More options for connecting Analog sources
Optical Digital Inputs	3 vs 2	More options for connecting Digital sources
Coaxial Digital Inputs	3 vs 2	More options for connecting Digital sources

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 399 BluOS-D and Rotel RA-1592 MKII differs from each other.

NAD C 399 BluOS-D Inputs

Total Number of Analog Inputs: 2
Phono Input
2 Optical Digital Input
2 Coaxial Digital Input
USB Input:
- USB-A(Service Only)
- USB-A(Thumbdrive/External HD)
- USB-B(Service Only0
HDMI eARC
Ethernet Port

Rotel RA-1592 MKII Inputs

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

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

Outputs

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

Outputs

Stereo RCA, Sub Preamp Outputs
3.5mm Headphone Output
Subwoofer Output

Rotel RA-1592 MKII Back View (Click the image for the larger version)

What's in the Box of NAD C 399 BluOS-D?

Here are the items that are included inside the box of C 399 BluOS-D:

Integrated amplifier
6-feet AC power cord
Remote control (SR 9)
2 AA batteries
3 Antennas
Auto calibration microphone
USB microphone adapter
Quick Setup Guide
Internet Update Guidlines
Important Safety Instructions
Dirac Live Quickstart Guide
Warranty Card

What's in the Box of Rotel RA-1592 MKII?

Here are the items that come with the RA-1592 MKII:

Stereo integrated amplifier
58-inch AC power cord
Remote control (RR-AX150)
2 AA 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