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Description
sound boosting boxes Douk Audio L1 Mini Stereo Line Level Booster Amplifier Audio Preamp 20Introduction Douk Audio L1 is a stereo amplifier with built in voltage boost and amplification circuits, designed to boost the output of virtually any line level audio source (such as TV, video games, MP3 players, ipod, phone, tablet etc.) to max 20dB. L1 features its wide gain range, wide frequency response, excellent S R and HiFi sound, to bump the output level of the audio devices which are with an inherently low level output so as to match other
Introduction
Douk Audio L1 is a stereo amplifier with built-in voltage boost and amplification circuits, designed to boost the output of virtually any line level audio source (such as TV, video games, MP3 players, ipod, phone, tablet etc.) to max 20dB. L1 features its wide gain range, wide frequency response, excellent S/R and HiFi sound, to bump the output level of the audio devices which are with an inherently low level output so as to match other sources, or to allow the use of a longer cable run than normal between components.
Features
- Mutiple input/output interfaces: with 3.5mm AUX/stereo RCA/5-DIN inputs and stereo RCA/5-DIN outputs, can be compatible with most low-volume audio sources such as ipod, ipad, phone, TV, MP3 player, potable CD player, computer, video game etc., and boost their output to the level needed to drive amplifier or speakers.
- With built-in amplification and voltage boost circuit: adjustable gain to match better with different audio sources, support DC 5-24V wide input voltage that can share the power supply of amplifiers, while L1 can always work at a high voltage of 26V to provide ±12.5V high output amplitude and max 20dB high gain.
- Unique design and HiFi clear sound: double-side PCB design, NE5532P op amp with pluggable socket design, convenient to change other op amps to enjoy different sound and bring much DIY fun for audiophiles. High-qaulity sealed potentiometer, with wide frequency bandwidth and excellent dynamic response, the sound is smooth and natural, warm and delicate with ultra-low distortion.
- Mini size with exquisite appearance, compact and all-metal design for durability and shielding the electronics from electromagnetic interference with noise rejection. Perfect design in size and function, suitable for many scenarios to increase the output level, such as home stereo system, mixer or speaker setup, karaoke, audio recording, party, live stage event etc.
Warm tips
- 3.5mm AUX input with priority, please make sure AUX cable has been disconnected if you want 5-DIN or stereo RCA input.
- 5-DIN and stereo RCA output can work at the same time.
- Equipped with USB to DC cable, NOT include power adapter, can use phone charger/power bank/computer to power it.
Parameters
- Audio input: 3.5mm AUX / Stereo RCA / 5-DIN
- Audio output: Stereo RCA / 5-DIN
- Gain: 20dB (Adjustable)
- Frequency response: 20Hz-20KHz ( ± 0.5dB)
- THD: 0.06% Max
- S/N ratio: >80dB
- Input sensitivity: 150mW/50KHz at 1KHz
- Max output amplitude: ±12.5V
- Input voltage: DC 5-24V
- Working voltage of amplification part: DC 26V
- Dimensions(W*D*H): 87*63*48mm / 3.43*2.48*1.89in
- Package dimensions(W*D*H): 150*90*110mm / 5.91*3.54*4.33in
- Net weight: 155g / 0.34lb
- Package weight: 400g / 0.88lb
Packing List
- 1*L1 Stereo Line Level Booster
- 1*USB to DC Cable
- 1*3.5mm to RCA Cable
- 1*2:2 RCA Cable
Who Needs Douk Audio L1 Stereo Line Level Booster?
- Want to correct the sonic mismatch issues that often cause the output volume of portable players/MP3/computer lower than other home audio devices, resulting in distorted sound performance.
- Want to enhance the output level of karaoke players or CD/DVD player to transform your stereo music to thrilled sound for party or outdoor events, provide low-noise and high musical accuracy for listening and recording.
- Want to provide an external way of volume control for any audio source device or stereo amplifier that has no output level or volume adjustment of its own.
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
4.7 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 4
Strong and Great for Treats, but Heavier Than Expected
Style: Gorilla, Size: Small (Pack of 1), Style: Gorilla, Size: Small (Pack of 1)
This is a very durable and well-made chew toy with good overall quality.
The material is thick rubber and holds up well to chewing. It also works very well for holding treats, which stay in place securely.
The main drawback is the weight. My dog is about 30 pounds, and even though this is a smaller version, it is still fairly heavy. She tends to use it mainly to get the treats out and then loses interest afterward.
What I like:
Very durable material
Works great for holding treats
Good bounce and quality construction
Cute design
Things to be aware of:
Heavier than expected
Some treats may be difficult to insert
Dogs may lose interest once treats are gone
Overall:
This is a solid treat-based toy that is built well, but the weight may limit how much some dogs interact with it beyond treat use.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Extremely tough!
Style: Gorilla, Size: Large (Pack of 1)
These are seriously so much better (and cheaper) than any other supposedly "strong/durable" type toy like this. We have 70lb very strong chewers and they chew through everything. Can not have stuffies. They do eventually chew through but it seriously takes awhile. Especially in comparison to other brands. I will say it says "recommended for dogs under 35lbs" but I also work for houses where I recommended these for their dogs which were smaller and they wouldn't chew on because too tough. But they also accidentally bought the large which is what I buy my big dogs. So the large is GREAT for big dogs. If you have a dog under 35lbs I'd get the size small. Also .... says you can stuff treats. You really can't. Which my dogs don't need. They just love to chew on. I call it their bubble gum because when they FINALLY get a chunk off(which again takes awhile.... as in over a week) they will fling the pieces into the air and chew on like a piece of bubble gum lol... they love it! I don't notice a difference in breath or anything but I don't use the toothpaste either. I just bought to see if tough and they are!! And again price is clearly so much better. I hate spending $20+ on a toy they destroy in a day.
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Reviewed in the United States on December 30, 2023
★★★★★ 3
Beware if your dog likes to chew
Style: Gorilla, Size: Large (Pack of 1)
It’s super cute and my dog loved it, but it didn’t last very long. My dog started peeling off pieces of it and eating it within three hours of play.
If you have a dog that takes it easy on the toys I would recommend this one. Otherwise I recommend passing because there’s no way it’s safe for them to be swallowing these pieces.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Lasted pretty long for my aggressive chewer
Style: Gorilla, Size: Large (Pack of 1)
Right away I was excited with this product because of the smell, texture and thickness. Smells minty fresh which does help with breath smell. The texture is great, had smooth areas and rigid areas all while being soft and durable. The product is pretty thick, which I needed for my Pit-Bull. She doesn’t chew much but, when she decides to she is 110% in and dedicated to destroying that item. She chews through most things in less than a day. This product however lasted years before I started to notice damage. It is one of her favorite toys. She liked it so much I bought two, one for the house and one for the car for road trips. It’s the perfect toy to keep a chewer distracted inside a car, along side a deer antler, which also helps with dental hygiene. She gets dental hygiene compliments every trip to the Vet. We use multiple different things to help with her teeth and breathe but, I think this toy contributes the most to her healthy teeth. I call it a toy because she plays with it all the time. Definitely will keep buying long as they keep making it. This product is a must for all dogs, it’s almost perfect for my Pit-Bull
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Reviewed in the United States on February 24, 2021
★★★★★ 5
Currently surviving a SUPER CHEWER!
Style: Gorilla, Size: Small (Pack of 1), Style: Gorilla, Size: Small (Pack of 1)
Welcomed a pomeranian/terrier mix to the family recently. Although he is small he is very capable of tearing things apart! He has destroyed many, many types and brands of toys. When he grew tired of destroying those he turned to objects in my house, walls, furniture, railing etc! I've tried different brands and textures and this is one of only 2 brands he hasn't outright destroyed! He's had this toy for almost a month now and it has come out of this time almost completely unscathed! You'll notice there's a little damage to one of the hands and top of the head but hes managed to destroy toys in an hour or less, so I consider this a big win and will absolutely replace with the same product when the time comes! There's a hole, I think for treats. I haven't used that. It also has a smell, almost like baby powder. In any event, absolutely worth the price which I found to be great to begin with. My dog loves it, and me and my house are soo glad he's chewing on this! If you have a super chewer (I'd never heard of that) I strongly suggest this toy. They also have larger ones for bigger breeds!
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Reviewed in the United States on September 6, 2025
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