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Pioneer A-20

Pioneer A-20
alaScore 89

102 reviews

Feb, 2018

alaTest has collected and analyzed 102 reviews of Pioneer A-20. The average rating for this product is 4.7/5, compared to an average rating of 4.1/5 for other Receivers & Amplifiers for all reviews.

We analyzed user and expert ratings, product age and more factors. Compared to other Receivers & Amplifiers the Pioneer A-20 is awarded an overall alaScore™ of 89/100 = Very good quality.

Review analysis

(Based on 102 reviews)

User Reviews  


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Showing 1 - 37 of 37 Show Reviews: in English | in other languages (64)

Consumer review by: ( review summary for Pioneer A-20


alaTest has collected and analyzed 37 user reviews of Pioneer A-20 from The average user rating for this product is 4.8/5, compared to an average user rating of 4.3/5 for other Receivers & Amplifiers on

100% of the reviews on give this product a positive rating.

This summary is based on the products: Pioneer A-20-S 50W Stereo Amplifier - SilverPioneer A-20-S 50W Stereo Amplifier - Silver

Feb, 2018

Product Specifications


Audio output channels:2.0
Peak power per channel:50
Total Harmonic Distortion (THD):0.1

Packaging Content

Manual: Yes

Ports & interfaces

Audio (L,R) in:1
Speakers connectivity type:Binding Post


AC input frequency:50
AC input voltage:220-230
Power Consumption (Standby):0.30
Power consumption (typical):135

Technical Details

Bass adjustment: Yes
Colour of product:Black / Silver
Connectivity Technology:Wired
Handheld remote control: Yes
On/off switch: Yes
Treble adjustment: Yes
Volume Control:Rotary

Weight & Dimensions

Height :12.8