SKU: 45362095642

Alpine HDA-V90 : 5ch Hi-Res Amplifier, 4ch x 75W/100W + Mono 300W/500W @ 4Ω/2Ω

$495.00 $550.00
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Ships within 48 hours · Estimated delivery Oct 11 - Oct 16

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Description

Alpine HDA-V90 : 5ch Hi-Res Amplifier, 4ch x 75W/100W + Mono 300W/500W @ 4Ω/2ΩAlpine HD Series 5 Channel Class D Full Range Hi Resolution Automotive Grade Amplifier, 75 Watts x 4ch @ 4 Ohms + 500 Watt Mono @ 2 Ohms Using expertise gleaned from over five decades of crafting premium car audio products and trickle down engineering and design from the Ultra Hi Res Alpine F#1Status system technologies, the Alpine Status System features exceptional tooling and rich build quality for the best possible sound reproduction. Each

Alpine HD-Series 5-Channel Class-D Full-Range Hi-Resolution Automotive-Grade Amplifier, 75-Watts x 4ch @ 4-Ohms + 500-Watt Mono @ 2-Ohms

Using expertise gleaned from over five decades of crafting premium car audio products and trickle-down engineering and design from the Ultra Hi-Res Alpine-F#1Status system technologies, the Alpine Status-System features exceptional tooling and rich build quality for the best possible sound reproduction. Each component was hand-picked from the highest-quality materials for the highest in-class audio performance, that when used as a complete system, can achieve 192kHz/24Bit playback.

Powering a Hi-Res sound system without contributing noise during playback requires efficiency and precision and the HDA-V90 was intentionally designed to provide impressive power output to the system while ensuring the purest audio performance. The amplifier’s wide dynamic range capability provides impressive output in a compact chassis that fits most vehicle applications.

The HDA-V90 features a high-efficiency digital circuit design that ensures ultra- low distortion levels for precise sound reproduction and superb sound quality. Intentional designs, like a copper-plated chassis and black circuit board, bring the signal-to-noise ratio up to 87dB and minimize noise and distortion during playback for complete music fidelity that’s true to the original source.

Featuring technology unique to Alpine, the amplifier features Alpine’s dual negative feedback control circuit to improve linearity for the most accurate sound amplification. This technology also stabilizes the amplifier output while driving the speakers and subwoofers for ultimate reliability.

The HDA-V90 features Alpine’s quick- connect power and speaker connectors for quick and safe installation. The one- sided terminal layout and top-panel sound controls give the user quick access to controls on the amplifier.

The Alpine Status System is sold separately and can be used to build a custom sound system. Three sets of true 4V preamp outputs are included to add additional amplifiers if more power is needed. For best results, install the complete Alpine Status system together as a full system to achieve the highest in-class audio performance only second to the Ultra High-Resolution AlpineF#1System.

Specifications
  • Dimensions: 11.4375” x 7.5” x 2.125”
  • Power Rating: (14.4V, ≤1.0% THD+N)
  • 75W x 4 + 300W x 1 @ 4Ω
  • 100W x 4 + 500W x 1 @ 2Ω
  • Bridged: 200W x 2 @ 4Ω (ch1/2, ch3/4 only)
  • THD+N: 0.02% (10W into 4ohm)
  • S/N Ratio: 87dB (1W into 4ohm)
  • Frequency response: 8-60kHz (-3dB)
  • Damping factor: 500 (ch1/2/3/4), 1000 (subwoofer)
  • Selectable input level – HI/LO
  • Selectable 2/4/6ch input
  • Variable High pass / Low pass crossover
  • Variable Subsonic filter (subwoofer)
  • Bass EQ (0 to +12dB, Variable)
  • Auto-turn on with remote sensing
Documentation
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 45362095642

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4.0 ★★★★★
Based on 23 reviews
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M
Verified Purchase
Marianela
San Leandro, US
★★★★★ 5
Love the color
Color: Brown, Size: 6 Panel
It work really well. It could be a little more heavier
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
N
Verified Purchase
N. B.
Bozeman, US
★★★★★ 3
O.K Divider
Color: Natural, Size: 8 Panel
This has room divider is good, but if you are looking for total privacy - this is not it. You can see thought the home in the panels.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
J
Verified Purchase
Jimmy Goopio
Los Angeles, US
★★★★★ 5
Privacy
Color: Dark Coffee, Size: 4 Panel
This delivers great coverage!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
A
Amazon Customer
Waukegan, US
★★★★★ 5
Versatile Room Divider With Easy Assembly and Strong Coverage
Size: 3 Panel 12FT W
I picked up this Siebwin 3-panel folding room divider mainly for privacy and room separation, and overall it works very well. Assembly is very straightforward, and the divider can be set up, taken apart, and stored without much effort. The fabric quality feels good, and the frame construction is stronger and more stable than expected. The support tubes especially feel well built and help keep the divider standing securely. One feature I really liked is the flexibility of the design. The panels can be used together as a complete divider or separated depending on the setup and available space. That makes it much more versatile for different room layouts or temporary privacy needs. The coverage is also very good, and the size matches the manufacturer’s description accurately. The fabric blocks light and background visibility well enough to provide solid privacy without feeling overly heavy. The wider feet also help improve stability compared to thinner folding dividers. Another positive detail is that everything arrived complete with no missing parts or damaged pieces, which made assembly much easier and faster. Compared to cheaper privacy screens, this one feels more durable and easier to customize depending on the situation. In terms of value for the money, it feels like a very practical and worthwhile purchase considering the size, flexibility, and build quality. Overall, a versatile and well-built room divider with easy assembly, strong privacy coverage, stable construction, complete included parts, flexible panel configuration, and excellent everyday functionality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
F
Fred
Chelsea, US
★★★★★ 5
Stable, flexible in deployment configuration, creates true privacy and looks great.
Size: 3 Panel 12FT W
This is the second room divider panel I have installed, and there are several features about this one that I like much better than my older one. The fact that there are no gaps and that the material is thicker means you get more privacy or more hiding power, if you wish. My older divider has vertical spaces between each of the panels and the panels are half as wide as the Siebwin panels, so there are many vertical spaces. The Siebwin divider really creates privacy. Another feature that I really appreciate is that the legs are wider and stand off from the floor. On my older one the legs are flat and they're rather awkward to adjust because they create more drag on the floor. The feet on the older one also loosen if you turn them counter clockwise, so adjustments of configuration that require the feet to be moved are more complex. The older divider also must be deployed in a zig-zag fashion because he feet are not as wide, but this new one can be deployed and stable in a straight, an "N" shape or an arc. They are both the same length, but because the older one must be use in a zig-zag deployment it doesn't reach to the length of the new one. The Siebwin divider definitely costs more at $103.48, but it sports several features and advantages over the other brand, so it does a better job and is worth the extra cost.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026

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