Cambridge Audio Evo 75 vs NAD C 399 BluOS-D Detailed Comparison

Cambridge Audio Evo 75 vs NAD C 399 BluOS-D

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Cambridge Audio Evo 75

Integrated Amplifier | 75 watts RMS into 8-ohms

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NAD C 399 BluOS-D

Integrated Amplifier | 180 watts RMS into 8-ohms

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Cambridge Audio Evo...

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NAD C 399 BluOS-D

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Cambridge Audio Evo...

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NAD C 399 BluOS-D

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Cambridge Audio Evo 75 vs NAD C 399 BluOS-D Integrated Amplifier Comparison

In this review, we will be comparing Evo 75 and C 399 BluOS-D, two Integrated Amplifiers from Cambridge Audio and NAD. Let's have a brief look at the main features of Cambridge Audio Evo 75 and NAD C 399 BluOS-D first before getting into our more detailed comparison.

Key Specs	Cambridge Audio Evo 75	NAD C 399 BluOS-D
Power	75 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 D	Class D
Built-in DAC	Yes	Yes
Phono input	No	Yes
Headphone output	3.5mm	1/4
Bluetooth	Yes	Yes
App control	Yes	—
Weight	5.31kg / 11.7lbs	11.23kg / 24.7lbs
Dimensions (H x W x D)	3-1/2" x 12-9/16" x 14-5/8" 89.0mm x 320.0mm x 372.0mm	4-13/16" x 17-1/8" x 16-7/16" 123.0mm x 435.0mm x 418.0mm

What size room are the Cambridge Audio Evo 75 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	Cambridge Audio Evo 75	NAD C 399 BluOS-D
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.

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Reasons to choose Cambridge Audio Evo 75 over NAD C 399 BluOS-D

MSRP Price(*)	2,499USD vs 2,599USD	costs less (*prices may change depending on the seller, location and time)
App-Based Control	Yes vs None	Control the amplifier via an app
Bluetooth Version	v4.2 vs v4.0	Higher transfer rate and range
Built-in Chromecast	Yes vs No	Compatible with Chromecast Streaming
Built-in Chromecast	Yes vs No	Compatible with Chromecast Streaming
Base Surface Area	1190.4cm²/ 184.5inch² vs 1818.3cm²/ 281.8inch²	takes less space in your room
Height	89mm vs 123mm	Easier to fit in smaller spaces

Reasons to choose NAD C 399 BluOS-D over Cambridge Audio Evo 75

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 75 watts	Delivers higher power into 8-ohms speakers
Watts into 4-ohms	180 watts vs 150 watts	Delivers higher power into 4-ohms speakers
Total Analog Inputs	2 vs 1	More options for connecting Analog sources
PhonoInput	Yes vs No	Connect a turntable directly to your amp
Optical Digital Inputs	2 vs 1	More options for connecting Digital sources
Coaxial Digital Inputs	2 vs 1	More options for connecting Digital sources
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 Cambridge Audio Evo 75 and NAD C 399 BluOS-D differs from each other.

Cambridge Audio Evo 75 Inputs

Total Number of Analog Inputs: 1
1 Optical Digital Input
1 Coaxial Digital Input
USB Input:
- USB-A(music playback from a USB flash memory device or portable hard drive)
HDMI ARC
Ethernet Port

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

Cambridge Audio Evo 75 Back View (Click the image for the larger version)

Outputs

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

Outputs

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

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

What's in the Box of Cambridge Audio Evo 75?

Here are the items that are included inside the box of Evo 75:

Integrated amplifier
6-feet AC power cord
Remote control (EVO)
2 AAA batteries
4 Side-panels (2 pre-installed)
Quick Setup Guide
Important Safety Instructions

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