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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
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Description
B050 Passive Speaker Volume Adjustment Controller, Left And Right Channel Independent Volume Adjustment, 150W Per Channel, B050Product description 1. External power amplifier rear passive speakers left and right sound channel double knob independent volume adjustment control box 2. Each channel supports 150 watts of processing power 3. Independent control of stereo channel (Left track and right track) 4. Volume control knob, clean, smooth volume adjustment can be achieved. 5. Input outputUse screw type connector terminals 6. Simple for operating, after the left and right
Product description：1. External power amplifier rear passive speakers left and right sound channel double knob independent volume adjustment control box
2. Each channel supports 150 watts of processing power
3. Independent control of stereo channel (Left track and right track)
4. Volume control knob, clean, smooth volume adjustment can be achieved.
5. Input/output：Use screw type connector terminals
6. Simple for operating, after the left and right sound channel of the amplifier is connected respectively in volume control box, the output of the left and right sound box realizes volume to adjust the volume size of the left and right sound box respectively.
7. Desktop type power amplifier output passive speaker volume control box, it can easily control the volume of the sound channel of the passive sound box, easy for installation, just plug it in and use it.
8. There is a separate volume knob switch, metal construction, brief outward and Compact Size.
Product parameters：
1. Power processing: Each audio/speaker channel 150 watts
2. Support soundtrack: Stereo left and right channels
3. Support impedance: 4-16ohm
4. Speaker cable support: 14 wire gauge（14 AWG）
5. Support interface: Input/Output, using screw type connector terminals
6. Volume adjustment: Left and right sound channel independent volume size adjustment
7. Net Weight: 0.7 kg
8. Packed weight: 0.8kg
9. Product size: Length 150mm x Width 68mm x Height 55mm
10. Package size: Length 185mm x Width 135mm x Height 65mm
11. Kit list: Passive loudspeaker volume control box x 1
Specification:
| Package Weight |
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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
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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]
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4.4 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 3
Runs small
Size: X-Large, Color: Navy
Runs small and is short. Nice dark navy color. I ordered a size up and it is still small.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026
★★★★★ 5
Great tee
Size: X-Large, Color: Medium Grey Heather
It’s a nice cotton material…not thin, just perfect. After washing, it also kept its shape.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026
★★★★★ 5
Loooove these shoes!
Size: 7.5 Wide, Color: Chestnut Brown Faux Leather
I have these in several colors, and they’ve become a true staple in my wardrobe.
The Amazon Essentials Women's Belice Comfortable Slip-On Ballet Flats are exactly what I look for in an everyday shoe—simple, versatile, and comfortable right out of the box. The slip-on design makes them super convenient for busy days, and they pair effortlessly with everything from jeans to dresses to work outfits.
They’re lightweight but still feel supportive enough for all-day wear, and I appreciate that they don’t require a break-in period. The fit is generally true to size, and the variety of colors makes it easy to stock up and rotate depending on the outfit.
Overall, these are reliable, easy-to-wear flats that offer great value for the price. Not flashy, just consistently comfortable and practical—which is exactly why I keep coming back to them.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Has the look that they should cost more.
Size: 11.5 Wide, Color: Dark Turquoise
Comfortable and the fit is very comfortable. Looks great and extremely comfortable. Soft and light weight. Easy to put on. Sizing was perfect and the wide width is truly a wide. I’m coming back for more colors.
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Reviewed in the United States on June 1, 2026
★★★★★ 4
Good at price
Size: 9 Wide, Color: Sand
Fit a little small at my big toe but otherwise fit well. Heel rubbed slightly first 5 hour wear but no blister.
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Reviewed in the United States on May 9, 2026
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