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R-A90S
R-Series 6-Channel Power Amplifier with Staggered Power
Specifications
class
D
channels
6
Understand Class A, A/B, D, and more
Amplifier Classes ExplainedCompare Prices(2 retailers)
S
Sonic ElectronixBest Price
In Stock
$699.95
$840.00Save 17%
Updated 12/21/2025
S
Sonic ElectronixBest Price
In Stock
$699.95
$840.00Save 17%
Updated 12/21/2025
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Frequently Asked Questions
What is the Alpine R-A90S?
The Alpine R-A90S is a car audio amplifier made by Alpine. View full specifications and where to buy on this page.
How much does the Alpine R-A90S cost?
The Alpine R-A90S typically sells for around $700 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.
Where can I buy the Alpine R-A90S?
You can purchase the Alpine R-A90S from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.
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