MOON 330A vs HiFi Rose RS520 Detailed Comparison

MOON 330A vs HiFi Rose RS520

Amp to replace

Change

MOON 330A

Power Amplifier | 125 watts RMS into 8-ohms

Check price atAmazon›

Change

HiFi Rose RS520

Integrated Amplifier | 250 watts RMS into 8-ohms

Check price atAmazon›

MOON 330A

Check price atAmazon›

HiFi Rose RS520

Check price atAmazon›

MOON 330A

See at AMAZON

HiFi Rose RS520

See at AMAZON

MOON 330A vs HiFi Rose RS520 Integrated Amplifier Comparison

In this review, we will be comparing two different types of amplifiers. MOON 330A is a Stereo Power Amplifier speaker whereas the RS520 is a Streaming Integrated Amplifier speaker.

Let's have a brief look at the main features of MOON 330A and HiFi Rose RS520 first before getting into our more detailed comparison.

Key Specs	MOON 330A	HiFi Rose RS520
Power	125 watts x 2 channels into 8 ohms, 250 watts x 2 channels into 4 ohms, and 400 watts bridged into 8 ohms mono. The first 5 watts are Class A	250 watts x 2 channels into 8 ohms and 250 watts x 2 channels into 4 ohms
Amplifier class	Class A/B	Class AD
Built-in DAC	No	Yes
Phono input	No	No
Headphone output	No	No
Bluetooth	No	Yes
App control	—	Yes
Weight	—	8.10kg / 17.8lbs
Dimensions (H x W x D)	3-1/2" x 16-7/8" x 14" 88.9 x 429.3 x 355.6 mm	5" x 13-5/8" x 12-7/8" 127.0mm x 346.0mm x 328.0mm

What size room are the MOON 330A and HiFi Rose RS520 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	MOON 330A	HiFi Rose RS520
Near-field	Poor	Are you nuts?
Small Room	Poor	Bad
Mid-size Room	Good	Poor
Large Room	Good	Good
Very Large Room	Average	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 MOON 330A over HiFi Rose RS520

Total Analog Inputs	2 vs 1	More options for connecting Analog sources
Height	88mm vs 127mm	Easier to fit in smaller spaces

Reasons to choose HiFi Rose RS520 over MOON 330A

MSRP Price(*)	3,695USD vs 4,400USD	costs less (*prices may change depending on the seller, location and time)
Full-color Display	Yes vs No	Displays Album and device Info
Handheld Remote	Yes vs No	Control the amplifier by the included RC
App-Based Control	Yes vs None	Control the amplifier via an app
Watts into 8-ohms	250 watts vs 125 watts	Delivers higher power into 8-ohms speakers
Total Harmonic Distortion (THD)	0.007% vs 0.05%	Less Harmonic Distortion
Signal to Noise Ratio	109 dB vs 100 dB	Higher ratings results in cleaner sound
Buil-in DAC	Yes vs No	Connect digital sources without an external DAC
Bluetooth	Yes vs No	Stream music via Bluetooth devices
USB Input	Yes vs	Connect Sources via USB
Base Surface Area	1134.0cm²/ 175.8inch² vs 1526.6cm²/ 236.6inch²	takes less space in your room

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 MOON 330A and HiFi Rose RS520 differs from each other.

MOON 330A Inputs

Total Number of Analog Inputs: 2
XLR Input Port

HiFi Rose RS520 Inputs

Total Number of Analog Inputs: 1
1 Optical Digital Input
1 Coaxial Digital Input
USB Input:
- USB-B (connects to computer for music playback)
- 3 x USB-A(connecting the included Wi-Fi and Bluetooth dongles
- External DAC
- mass storage or HiFI Rose CD player)
Ethernet Port

Outputs

Stereo RCA Preamp Outputs

HiFi Rose RS520 Back View (Click the image for the larger version)