Best in 7 days
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
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Description
Fiberso QSFP+ 40G Module SR4 100m 850nm MPO MM Fiber Optical Transceiver Compatible with SwitchesWe offer three years warranty, and lifetime technical support! Compatible with all the switch brands in the market, please feel free to contact! PN Description Data Rate Reach Connector Wavelength(nm) TX RX Fiber Output PowerdBm Sensitivity FO QSFP40G SR4 QSFP+ SR4 40Gb s 100m MPO 850 VCSEL PIN MM 7. 6~2. 4 < 9. 5 FO QSFP40G IR4 QSFP+ 2KM 40Gb s 2Km LC 1271~1331 DFB PIN SM 7~1 < 11. 5 FO QSFP40G LR4 QSFP+ LR4 40Gb s 10Km LC 1271~1331 DFB PIN SM 7~2. 3
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.8 ★★★★★
Based on 1157 reviews
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Product Reviews
★★★★★ 2
Not sold as stated
Only received 4 not 8 pack as stated. I had to recreate. Materials was ok. And easy to install
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Reviewed in the United States on May 23, 2026
★★★★★ 4
A Little Thin
These were a little thinner than I expected, but they work well to help dampen the sound in hard rooms. The larger size means less time installing them and more time enjoying the benefits of a softer room.
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Reviewed in the United States on April 24, 2025
★★★★★ 5
Noticeable Echo Reduction in My Shop
I installed these panels in a shop where sound tends to bounce around quite a bit. The panels were easy to cut to fit the wall and lightweight enough to mount with double-sided tape. The material feels dense and well-made, and I immediately noticed a difference in echo reduction. These helped dampen ambient noise without changing the look of the room too much. They don’t block out sound completely, but they definitely make a noticeable improvement in room acoustics.
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Reviewed in the United States on April 13, 2025
★★★★★ 5
Great Balance Between Aesthetics And Performance
These acoustic panels, made from high-density polyester fiber, are well-crafted and provide effective sound absorption without the bulk of traditional foam panels, helping maintain a clean and modern look on the wall.
Installation is simple—just peel off the adhesive backing and press them into place. For added durability, I reinforced a few panels with small nails. They’re easy to trim with scissors, making it simple to fit around outlets or customize a unique layout. At only 0.4 inches thick, they stay low-profile on the wall while still offering solid acoustic dampening for their size.
While they don’t deliver full soundproofing, the improvement in room acoustics is noticeable—voices sound clearer on calls, and there’s less echo overall. The neutral gray color blends in nicely with most decor, and the textured surface adds a touch of visual interest.
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Reviewed in the United States on April 7, 2025
★★★★★ 5
Amazing soundproofing
I recently installed the Soundproof Wall Panels in my home office, and they’ve made a noticeable difference in reducing noise. The panels are easy to cut to size if needed, and the installation was straightforward. The sound quality in the room has improved significantly, and I no longer hear as much outside noise or echo. Plus, the sleek black design blends well with my décor. These panels are a great investment for anyone looking to improve sound quality in their space.
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Reviewed in the United States on April 21, 2025
