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Alpine
Alpine R-A90S 6-Channel Digital Power Density Amplifier
$699.95
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Alpine R-A90S 6-Channel Digital Power Density Amplifier
Product details
Experience your music in Hi-Res with the versatile R-A90S 6-Channel Amplifier for hair-raising details that puts you in the center of the performance.
Features
6-Channel Amp with 5-Channel Power – With double the power on the last two channels, the R-A90S’s 5th and 6th channels can be bridged to provide up to 500-watts at 4Ω to a subwoofer system such as a pair of S-SB12Vs.
An Amp that Grows with You – When you’re ready to upgrade your Alpine system, use the R-A90S to amplify a 3-way active system with enough mid-bass power to create the up-front bass impact you crave.
Accurate Sound Reproduction – With incredibly low phase shift and hi-resolution frequency response, the R-A90S can reproduce sound with incredible accuracy that stays true to the artist’s intention.
Tech Specs
- Dimensions: 12.75" x 10.75" x 2"
- Hi-Resolution Audio Compliant (40k Hz)
- Alpine’s Class D Amplifier Circuit
- 75W x 4 + 150W x 2 (4Ω, 14.4V, < 1% THD +N)
- 100W x 4 + 250W x 2 (2Ω, 14.4V, < 1% THD +N)
- Bridged: 200W x 2 + 500W x 1 (4Ω, 14.4V, < 1% THD +N)
- S/N > 85dB (ref. 1W into 4Ω)
- THD + N < 0.03% (ref. 10W into 4Ω)
- Frequency response: 10-45kHz (0/-3dB)
- Damping factor > 500
- CTA-2006
6-Channel Amp with 5-Channel Power
The R-A90S has a unique staggered power channel layout that has double the power on the last two channels. When looking to power a dual subwoofer configuration, the R-A90S’s 5th and 6th channels can be bridged to provide up to 500-watts at 4Ω. The R-A90S is matched in power and performance for the Dual 10-inch Alpine Halo S-Series Preloaded Subwoofer Enclosures with ProLink™.
An Amp the Grows with You
Thanks to the unique staggered power channel layout, the R-A90S can host different levels of power on each channel, compared to traditional, multi-channel amplifiers. This allows the R-A90S to grow with you as it can effectively function as both a 3-way active amplifier and a 5-channel amplifier by delivering the power you need to the channels where you need it the most.
30-Day Return Policy
At Fuego Bass Shop, we want you to be fully satisfied with your purchase. You can return most products within 30 days of delivery for a refund or exchange.
Please note: Any returns with physical damage or missing original packaging may incur a deduction.
Restocking Fee: A 15% restocking fee will be deducted from your refund to cover handling and restocking.
Refunds will be processed to your original payment method within 5–7 business days after we receive and inspect the returned item.
We ship within the United States (excludes recipients in Alaska, Hawaii, Puerto Rico, U.S. Virgin Islands, and Guam).
At Fuego Bass Shop, we understand the thrill of receiving your car audio equipment quickly. Our shipping process is designed to ensure your order arrives safe, fast, and ready to pump bass.
Most orders are processed within 1–2 business days. Standard shipping usually takes 3–7 business days depending on your location. Expedited shipping is available for select items during checkout.
Once your order is shipped, you will receive a tracking number via email so you can follow your gear every step of the way. Our packaging is designed to protect high-performance audio equipment from bumps, vibrations, and shocks during transit.
Please note: Delivery times may vary during holidays, promotions, or due to carrier delays. We highly recommend verifying your shipping address before completing checkout to avoid delays.
If you have any questions about your shipment or need assistance, our support team is ready to help. We want your experience with Fuego Bass Shop to be as powerful and smooth as our bass systems!
