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NAD D 3020 V2 vs NAD C 399 BluOS-D
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NAD D 3020 V2

Integrated Amplifier | 30 watts RMS into 8-ohms

NAD D 3020 V2
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NAD C 399 BluOS-D

Integrated Amplifier | 180 watts RMS into 8-ohms

NAD C 399 BluOS-D
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NAD D 3020 V2 NAD D 3020 V2
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NAD C 399 BluOS-D NAD C 399 BluOS-D
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NAD D 3020 V2
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NAD C 399 BluOS-D
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NAD D 3020 V2 vs NAD C 399 BluOS-D Integrated Amplifier Comparison

In this review, we will be comparing two different type of speakers by NAD. NAD D 3020 V2 is a Integrated Amplifier with built-in DAC speaker whereas the C 399 BluOS-D is a Streaming Integrated Amplifier speaker.

Let's have a brief look at the main features of NAD D 3020 V2 and NAD C 399 BluOS-D first before getting into our more detailed comparison.

NAD D 3020 V2 Key Specs

  • 30 watts RMS into 8-ohms
  • Built-in DAC
  • Phono Input
  • Bluetooth v4.0
  • Weight: 3.10 lbs / 1.41 kg
  • Dimensions (H x W x D):7-3/8inch x 2-5/16inch x 9-3/4inch

NAD C 399 BluOS-D Key Specs

  • 180 watts RMS into 8-ohms
  • Built-in DAC
  • Phono Input
  • USB Input
  • HDMI Input (eARC)
  • Bluetooth v4.0
  • Built-in Room Correction
  • 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 D 3020 V2 and NAD C 399 BluOS-D 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 D 3020 V2 NAD C 399 BluOS-D
Near-field Good Are you nuts?
Small Room Good Bad
Mid-size Room Average Poor
Large Room Poor Good
Very Large Room No way Good

In the following sections, we will get into more detail in order to understand how NAD D 3020 V2 and NAD C 399 BluOS-D 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 D 3020 V2 over NAD C 399 BluOS-D
MSRP Price(*) 499USD vs 2,599USD 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
Base Surface Area 146.3cm2/ 22.7inch2 vs 1818.3cm2/ 281.8inch2 takes less space in your room
Vertical use Yes vs No Takes less space when placed vertically

Reasons to choose NAD C 399 BluOS-D over NAD D 3020 V2
Built-in Room Correction Yes vs No Adjusts audio output to compensate for acoustic anomalies in a listening space
Watts into 8-ohms 180 watts vs 30 watts Delivers higher power into 8-ohms speakers
Total Harmonic Distortion (THD) 0.02% vs 0.1% Less Harmonic Distortion
Wi-Fi Yes vs No High quality streaming over WiFi
Total Analog Inputs 2 vs 1 More options for connecting Analog sources
Optical Digital Inputs 2 vs 1 More options for connecting Digital sources
Coaxial Digital Inputs 2 vs 1 More options for connecting Digital sources
USB Input Yes vs --- Connect Sources via USB
Apple AirPlay Yes vs No Compatible with Apple Devices with AirPlay
Apple AirPlay 2 Yes vs No Compatible with Apple Devices with AirPlay 2
Roon Ready vs No Roon Compatibility
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 96kHz Play higher resolution media
Height 123mm vs 188mm Easier to fit in smaller spaces

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 D 3020 V2 and NAD C 399 BluOS-D differs from each other.

NAD D 3020 V2 Inputs
  • Total Number of Analog Inputs: 1
  • Phono Input
  • 1 Optical Digital Input
  • 1 Coaxial Digital Input
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
NAD D 3020 V2 Back View
NAD D 3020 V2 Back View (Click the image for the larger version)

Outputs
  • 3.5mm (2) Preamp Outputs
  • 3.5mm Headphone Output
Outputs
  • Stereo RCA, Sub Preamp Outputs
  • 1/4 Headphone Output
  • Subwoofer Output
NAD C 399 BluOS-D Back View
NAD C 399 BluOS-D Back View (Click the image for the larger version)

What's in the Box of NAD D 3020 V2?

Here are the items that are included inside the box of D 3020 V2:
  • Hybrid digital amplifier
  • 6-feet AC power cord
  • Remote control (AMP 3)
  • CR2025 3V battery
  • Minijack-to-RCA adapter
  • 4 Self-adhesive rubber feet
  • Quick Setup Guide
  • Warranty Card
  • What's in the Box of NAD C 399 BluOS-D?

    Here are the items that come with the 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
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