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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
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Description
Alpine BRV-S40C4" BassRev Component Speaker Set optimized to be paired actively with Alpine OPTIM8 using OPTIMSync Technology Tech Specs Tech Specs Woofer Size: 4" Tweeter Size: 3 4" (Component) Power Handling: 40W RMS 120W Peak Frequency Response (w *BassRev Tuning ON): 67Hz 20kHz Frequency Response (w *BassRev Tuning OFF): 75Hz 20kHz Sensitivity: 84dB (1W 1m) Impedance: 4? Mounting Depth: 1 3 4" (woofer) Cone Material: Polypropylene (woofer), Polyester cloth dome
4" BassRev™ Component Speaker Set - optimized to be paired actively with Alpine OPTIM8® using OPTIM™Sync Technology
Tech Specs
Tech Specs
Woofer Size: 4"
Tweeter Size: 3/4" (Component)
Power Handling: 40W RMS / 120W Peak
Frequency Response (w/*BassRev Tuning ON): 67Hz - 20kHz
Frequency Response (w/*BassRev Tuning OFF): 75Hz - 20kHz
Sensitivity: 84dB (1W/1m)
Impedance: 4?
Mounting Depth: 1-3/4" (woofer)
Cone Material: Polypropylene (woofer), Polyester cloth-dome (tweeter)
Surround Material: Rubber HEDGE™ Design (woofer)
Voice Coil Diameter: 25mm (woofer), 20mm (tweeter)
Magnet Size: 75mm (woofer)
Magnet Material: Ferrite (woofer), Neodymium (tweeter)
Frame Material: Steel (woofer)
*BassRev tuning requires Alpine OPTIM8® DSP/Amplifier using Alpine OPTIM™Sync Technology.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.2 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Nice little jewelry box
Color: Cloud White, Material Type: Paper, PU
Just what I wanted in size and available compartments. The only thing I am hesitant about is the paper outside. Mine is white and may get dirty quickly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
★★★★★ 5
A Lovely and Useful Gift
Color: Cloud White, Material Type: Paper, PU
I bought this SONGMICS jewelry organizer box as a gift and it was a great choice. The design is beautiful and it keeps jewelry well organized. It’s compact and perfect for travel or everyday use. The person I gave it to loved it and uses it all the time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
★★★★★ 5
Small and cute!
Color: Cloud White, Material Type: Paper, PU
Its perfect!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Great value, great product!
I use this as a home jewelry box - I don't wear a lot of jewelry, so it fits my needs perfectly. Its pretty lightweight and would be good for travels as well. The outside is leather-like and seems to be waterproof so far. I use the first layer for jewelery and second layer to store my hairclips and pins. I've had it for a few months and it seems to be great quality and durable! Definitely a good value as well because I've seen similar jewelry boxes sold at popular retail stores for over $30.
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Reviewed in the United States on January 21, 2026
★★★★★ 5
Lovely Slate Gray Jewelry Box
I just received this Slate Gray jewelry box. It's really quite lovely and just the right size for my granddaughter's vanity. I'm really excited about giving it to her, for her 12th Birthday, to hold her better jewelry. It's so nice I'm going to order another one for my other Granddaughter's Birthday.
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Reviewed in the United States on December 5, 2025
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