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Description
B015 Front Stereo Signal Amplifier Booster Headphones Speaker Amplifier Headset Dual-Audio Source, B015B015 Front Stereo Signal Amplifier Booster Headphones Speaker Amplifier Headset Dual Audio Source Product description: You have a line level signal source (TV audio, MP3 player, Video game, mobile phone, tablet, computer, record player), but desire louder sound or bigger volume? A powerful signal amplifier receiver or volume control, you may need a long line connecting TV audio and the receiver on the other side of the room to provide high gain
B015 – Front Stereo Signal Amplifier Booster Headphones Speaker Amplifier Headset Dual-Audio SourceProduct description:
You have a line level signal source (TV audio, MP3 player, Video game, mobile phone, tablet, computer, record player), but desire louder sound or bigger volume?
A powerful signal amplifier receiver or volume control, you may need a long line connecting TV audio and the receiver on the other side of the room to provide high gain through any line level signal source, allowing longer cable operation or requiring “buffer” to amplify the lower volume. You may use it between the line level signal source and power amplifier as a signal amplifier, 3.5mm + RCA port matches almost all product interfaces.
The product improves the sound amplification and reduces ground noise by controlling the signal, and it has large dynamic range without produce cracking. It controls output volume through a sensitive volume knob, the output of the headphone interface can drive 16Ω-600Ω headsets, and uses AC9V transformer for power supply to ensure full power.
Product parameters:
Input impedance: 100K Ohm
Maximum input level: +14 dBV
Output impedance: 47 Ohm of each output channel
Frequency response: 20 Hz – 20K Hz
Signal to noise ratio: > 107dB
Total harmonic distortion: < 0.08%
Intermodulation distortion: < 0.01%
Input port: stereo 3.5mm socket and RCA port
Output port: stereo 3.5mm port and RCA port
Power supply: AC9V
Net weight: 0.51 kg
Gross weight with packaging: 0.61 kg
Product size: length 109 mm X width 79 mm X height 39 mm
Packaging size: length 185mm X width 135mm X height 65mm
Kit list:
1 X stereo signal preamplifier booster dual-audio source headphone amplifier
1 X AC9V power adapter (AWG) line length 100cm
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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.
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4.3 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Excellent
Color: Gold, Size: 33.9"W, Color: Gold, Size: 33.9"W
Even better in person. Assembly was easy. Good quality so far.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
So pretty and functional!
Color: Gold, Size: 33.9"W, Color: Gold, Size: 33.9"W
This cart arrived promptly and was easy to put together for me! I love the 2 mirror shelves, which I had specifically searched for. Usually the shelves on these bar carts are just glass and not mirrored, which means you see right through to the next level, which is wine bottles and the floor. I thought the mirrored shelves reflecting back just what’s placed on it looks so much more elegant. I also like the gold color, but just so you know, it is not the jewelry gold color, but more of a matte metallic taupey-gold (hard to describe). The color is pretty, but not the shiny, yellowish gold color that it appears to be on this seller’s pictures. I added another gold tabletop wine holder (also from Amazon) on the lower shelf and you can see what I mean by the color. Overall, I am pleased with the price, elegant look, easy assembly, the maneuverability, and how much it holds.
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Reviewed in the United States on September 17, 2024
★★★★★ 5
yes ma’am 🍸
Color: Gold, Size: 33.9"W
exactly what hat i’ve been looking for!!! no complaints. so so cute and functional.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Sturdy, smaller sized supply caddy-well crafted.
Size: 5 Tiers (5.1"D x 39.2"H), Color: Rustic Brown + Classic Black
Why did you pick this product vs others?:
Started out asking friends what they use for a cart - to clear stuff off their drawing boards, desks, etc. I've got an unusual amount of "things" in my workspace, and although I keep paints in a separate caddy to one side on my drafting table, the topside clutter was getting unbearable. Due to people giving me things, my interest in a few crafts, and just junk. Mainly I use the my wonderful, old, 1950s school cast-off - drafting table for painting - as it tilts and I have an edge on it. I've been wanting to also replace the top board, too. The usual caddies didn't appeal to me - the plastic ones annoy me as I can't see in the bins at what I should easily be able to reach and cannot see-though the opaque plastic. As I purged the clutter I realized I needed way less than I had and that's how I determined the size of the rolling cart. I use my spare garage and I have a lot of space, but that's the kicker - the more space you have the more things you could have, too. That's my reasoning for choosing a smaller cart. Narrow, to keep it minimal. Black metal to hide dirt. Wheels? a bonus - I'll just pull it back and forth out of its space--it's not going to be a trolley. I picked this one out of several because of price, and size, but I may come back at another time to purchase a larger one for the coat closet - mittens & hats & ski goggles & stuff. I am going to look at the same brand, but I'm also going to choose one with sturdier wheels. THIS CART was easy to put together, no issues at all. I didn't time myself - it took a while - under an hour is my best guess due to all the small pieces. I know it was manufactured this way to be able to fit it in as small a space-box for shipping, as possible. It was tedious, but certainly not an issue. Just lay it out the way the diagrams show you - they are perfectly done. It's sturdy enough as a supply caddy - you can't sit on the thing, or let kids romp on it but it's stiff in all the right places and the handle is perfectly placed. The top of it will hold my tablet or phone - next to my table; it's not a decor piece, but the black finish does look rather nice -with the faux wood/wood laminate top. Basket depth is well thought out, too. Coffee cans with paint brushes, some other tools, but the best part is no more clutter taking up space on top of my drafting table and I can actually use it the way it was intended!
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Reviewed in the United States on June 30, 2025
★★★★★ 5
Great cart!!
Size: 4 Tiers (5.1"D x 30.3"H), Color: Ebony Black + Classic Black
Great cart! It fits in small spaces. Great quality very sturdy. It rolls easy and easy to assemble.
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Reviewed in the United States on May 12, 2026