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Description
Shinybow SB-2811 4 x 4 Composite Video Booster (BNC)The Shinybow SB 2811 4 x 4 Composite Video Booster (BNC) is designed to drive signals over a long distance. It provides signal amplification from 0 to 6 dB via an adjustable control. This is useful for distributing signals from any video source, including a high resolution video source to a display monitor. You can use the S Video and composite video simultaneously. Video signals can be distributed up to more than 300 to 1,000 (91. 44 to 304. 8 m)
The Shinybow SB-2811 4 x 4 Composite Video Booster (BNC) is designed to drive signals over a long distance. It provides signal amplification from 0 to 6 dB via an adjustable control. This is useful for distributing signals from any video source, including a high-resolution video source to a display monitor. You can use the S-Video and composite video simultaneously. Video signals can be distributed up to more than 300 to 1,000� (91.44 to 304.8 m) away. It is ideal for classrooms, trainings, conference halls, and retail outlets.
- Adjustable gain control for each composite video channel
- Surface mount tabs provided
| Input | 4 independent composite video at 1 Vpp / 75 ? |
| Output | 4 independent composite video at 1 Vpp / 75 ? |
| Video Bandwidth | 440 MHz, G= 2, 320 MHz, G = 10 |
| Setting Time | 10 ns to 0.1%, 2 V step, G = 2 |
| Low Distortion SFDR | Third order LNTERCEPT (3IP): -66 dBc @ 20 MHz Second Harmonic: -75 dBc @ 20 MHz Third Harmonic: 26 dBm @ 70 MHz, G = 10 |
| Gain Flatness | 0.1 dB to 75 MHz |
| Differential Gain Error | 0.01%, Rl = 150% |
| Differential Phase Error | 0.01%, Rl = 150% |
| Power | Consumed: 100 mA maximum |
| Power Source | 12 VDC @ 500 mA |
| Size | 4.09 x 2.83 x 1" (104 x 72 x 25 mm) |
| Packaging Info | |
|---|---|
| Package Weight | 1.35 lb |
| Box Dimensions (LxWxH) | 9.4 x 7.2 x 1.4" |
In the Box
Shinybow SB-2811 4 x 4 Composite Video Booster (BNC)
- User Guide
- AC/DC Adapter (12 VDC, 500 mA)
- 3-Year Warranty
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
4.8 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
High quality - thick paper towels
Package Size Name: Super, Size: 81 sheet (Pack of 12)
This is a solid choice if you want something stronger and more absorbent than standard paper towels. They have a soft, cloth and works well for spills, wiping counters, and general kitchen cleanup, and they usually hold up better so you can use fewer sheets per mess. The paper towel is very thick and super convenient for multi use. This pack of 12 rolls is valuable but also slightly on the more expensive side.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Strong, Cloth-Like Paper Towels
Package Size Name: Super, Size: 81 sheet (Pack of 12)
I picked up the Viva Multi-Surface Cloth paper towels (task size, 12 super rolls), and they’ve quickly become my go-to for everyday cleaning.
The biggest standout is how durable and cloth-like they feel. Unlike thinner paper towels that tear easily, these are thick and strong enough to handle tougher messes without falling apart. I’ve used them for everything from kitchen spills to wiping down counters and even light scrubbing.
The task-size sheets are actually really convenient. You can use a smaller piece for quick cleanups, which helps reduce waste and makes the rolls last longer than expected.
They’re also surprisingly absorbent. One sheet can handle more liquid than I expected, so I don’t find myself grabbing multiple sheets every time. That’s a big plus when you’re cleaning up bigger spills.
Another thing I like is that they hold together well even when wet. You can rinse and reuse them briefly for certain tasks, which isn’t something you can do with most paper towels.
If I had one downside, it’s that they’re a bit more expensive than basic brands. But considering how much you use less per mess, it kind of balances out.
Overall, these are high-quality, reliable paper towels that feel closer to a reusable cloth than disposable paper. Great for anyone who wants something tougher and more efficient for everyday cleaning.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Best Paper Towel
Package Size Name: Super, Size: 81 sheet (Pack of 12)
a typical paper towel. They’re very absorbent, don’t fall apart when wet, and handle large spills with fewer sheets. They do cost more than basic brands, but the performance makes them feel like a small household upgrade. Once you start using them, it’s hard to go back to thinner options.
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Reviewed in the United States on May 17, 2026
★★★★★ 4
Not as good as original Viva, but still a great towel and worth the money
Package Size Name: Super, Size: 81 sheet (Pack of 12)
VIVA has been my favorite paper towel for 10 years!! I have been given the name of the paper towel nat** (I do not want to offend anyone). I make you use them only for certain things and use as few as possible. This is due to the price. But with Viva they can be rinsed and used many times, like when wiping countertops. This makes them go far for the money and I have to not be as strict. I thought I would try this new type as it looked like it would be more cost effective. I like them but there are so many less, we are going through them very fast. I will be going back to the original type when these are gone.
I decorate cakes, using both fondant, and buttercream icings. These towels are fantastic for smoothing out the icings. Look up the technique on YouTube. They are the best for this.
I can never be without my Viva but will go back to.the original type.
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Reviewed in the United States on June 14, 2023
★★★★★ 5
Delivery on a timely manner
Package Size Name: Super, Size: 81 sheet (Pack of 12)
It’s not as nice as the charming toilet paper I was expecting it to be just as good or or a little at least a little bit charming, but it wasn’t. It’s not harsh, but it’s kind of thin so I really wasn’t happy with that.
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Reviewed in the United States on April 29, 2026