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Rega io vs Yamaha A-S501
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Rega io

Integrated Amplifier | 30 watts RMS into 8-ohms

Rega io
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Yamaha A-S501

Integrated Amplifier | 85 watts RMS into 8-ohms

Yamaha A-S501
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Rega io Rega io
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Yamaha A-S501 Yamaha A-S501
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Rega io
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Yamaha A-S501
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Rega io vs Yamaha A-S501 Integrated Amplifier Comparison

In this review, we will be comparing two different type of speakers . Rega io is a Integrated Amplifier speaker whereas the A-S501 is a Integrated Amplifier with built-in DAC speaker.

Let's have a brief look at the main features of Rega io and Yamaha A-S501 first before getting into our more detailed comparison.

Rega io Key Specs

  • 30 watts RMS into 8-ohms
  • Phono Input
  • Weight: 6.60 lbs / 2.90 kg
  • Dimensions (H x W x D):2.7inch x 7.1inch x 11.4inch

Yamaha A-S501 Key Specs

  • 85 watts RMS into 8-ohms
  • Built-in DAC
  • Phono Input
  • Weight: 22.70 lbs / 10.32 kg
  • Dimensions (H x W x D):6inch x 17-1/8inch x 15-7/16inch

What size room are the Rega io and Yamaha A-S501 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 Rega io Yamaha A-S501
Near-field Good Poor
Small Room Good Average
Mid-size Room Average Good
Large Room Poor Average
Very Large Room No way Poor

In the following sections, we will get into more detail in order to understand how Rega io and Yamaha A-S501 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 Rega io over Yamaha A-S501
Base Surface Area 522.0cm2/ 80.9inch2 vs 1709.6cm2/ 265.0inch2 takes less space in your room
Height 68mm vs 153mm Easier to fit in smaller spaces

Reasons to choose Yamaha A-S501 over Rega io
MSRP Price(*) 550USD vs 725USD costs less (*prices may change depending on the seller, location and time)
Watts into 8-ohms 85 watts vs 30 watts Delivers higher power into 8-ohms speakers
Buil-in DAC Yes vs No Connect digital sources without an external DAC
Total Analog Inputs 6 vs 2 More options for connecting Analog sources
Optical Digital Inputs 1 vs No More options for connecting Digital sources
Coaxial Digital Inputs 1 vs No More options for connecting Digital sources
Preamp Outputs Sub vs No Connect a powered subwoofer or second amplifier.

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 Rega io and Yamaha A-S501 differs from each other.

Rega io Inputs
  • Total Number of Analog Inputs: 2
  • Phono Input
Yamaha A-S501 Inputs
  • Total Number of Analog Inputs: 6
  • Phono Input
  • 1 Optical Digital Input
  • 1 Coaxial Digital Input
Rega io Back View
Rega io Back View (Click the image for the larger version)

Outputs
  • 3.5mm Headphone Output
Outputs
  • Sub Preamp Outputs
  • 1/4 Headphone Output
  • Subwoofer Output
Yamaha A-S501 Back View
Yamaha A-S501 Back View (Click the image for the larger version)

What's in the Box of Yamaha A-S501?

Here are the items that come with the A-S501:
  • Stereo integrated amplifier
  • Remote control (RAS13)
  • 2 AA batteries
  • Owners manual (En/ Fr)
  • Warranty information (US/CA)
  • On-line product registration information
  • Yamaha Worldwide Representative Offices note
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