Rega io vs Yamaha A-S801 Detailed Comparison

Rega io vs Yamaha A-S801

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Rega io

Integrated Amplifier | 30 watts RMS into 8-ohms

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Yamaha A-S801

Integrated Amplifier | 100 watts RMS into 8-ohms

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Rega io

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Yamaha A-S801

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Rega io

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Yamaha A-S801

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Rega io vs Yamaha A-S801 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-S801 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-S801 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-S801 Key Specs

100 watts RMS into 8-ohms

Built-in DAC

Phono Input

USB Input

Weight: 26.70 lbs / 12.14 kg

Dimensions (H x W x D):6inch x 17-1/8inch x 16-3/16inch

What size room are the Rega io and Yamaha A-S801 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-S801
Near-field	Good	Poor
Small Room	Good	Poor
Mid-size Room	Average	Good
Large Room	Poor	Good
Very Large Room	No way	Average

In the following sections, we will get into more detail in order to understand how Rega io and Yamaha A-S801 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-S801

MSRP Price(*)	725USD vs 900USD	costs less (*prices may change depending on the seller, location and time)
Base Surface Area	522.0cm²/ 80.9inch² vs 1792.2cm²/ 277.8inch²	takes less space in your room
Height	68mm vs 153mm	Easier to fit in smaller spaces

Reasons to choose Yamaha A-S801 over Rega io

Watts into 8-ohms	100 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
USB Input	Yes vs No	Connect Sources via USB
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-S801 differs from each other.

Rega io Inputs

Total Number of Analog Inputs: 2
Phono Input

Yamaha A-S801 Inputs

Total Number of Analog Inputs: 6
Phono Input
1 Optical Digital Input
1 Coaxial Digital Input
USB Input:
- USB-B(connect to your computer for playback)
- USB-A(charging only)

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-S801 Back View (Click the image for the larger version)

What's in the Box of Yamaha A-S801?

Here are the items that come with the A-S801:

Stereo integrated amplifier

6.5-feet AC power cord

Remote control (RAS15)

2 AA batteries

Owners manual (En/ Fr)

Warranty information (US/CA)

On-line product registration information

Yamaha Worldwide Representative Offices note