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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
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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:
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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
- 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 11 reviews
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Product Reviews
★★★★★ 4
Works good, happy with purchase
Works good with usb-c expansion card. Data transfer rates are good. Lets me use usb thumb drives and external hard drives that gave usb-a connectors
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Reviewed in the United States on May 6, 2026
★★★★★ 5
inexpensive usb3.1 gen 2 hub with PD
This USB3.1 gen 2 hub is well made, featuring VIA Labs controller (device id 2109:2822) and is made in China. It looks nice and performs according to the specs. I wish usb-c socket supported TB3/Alt DP cable to connect a display to it, but it is apparently made mainly for power delivery. I think the hub is a good value.
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Reviewed in the United States on November 21, 2025
★★★★★ 5
Do you need a powered hub instead?
NOT powered. My bad, I didn't look closely enough. I need a powered hub.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
plug and play ...fast ...hi performance... same as higher price
plug and play ...fast ...hi performance... same as higher price
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Reviewed in the United States on March 16, 2026
★★★★★ 5
premium feel in the hand.
Can't really say whether it's that good or not elecronics wise since I didn't test it but it works like it's supposed to. Meanwhile, the housing oh man. It's premium. It feels like hard aluminum or something, very nice. Edges are rounded too with just the right sharpness like a macbook. Others would've been plastic. This is really nice for the price and if the specs really are 10Gbps, that's really good because most in this price range is 5Gbps.
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Reviewed in the United States on March 2, 2026