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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
4.9 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
A Must Read!
Format: Hardcover
Highly recommend Any Day Emotions! Debra Fileta uses creative similes to explain our emotions to the littles. She goes beyond just the basic happy and sad emotions you typically hear about in children’s books to the less talked about emotions such as jealousy and guilt. With each emotion she gives a practical, kid friendly step to live an emotionally healthy life. Any Day Emotions is a fun book to teach your littles about emotions in a way that points them back to their Creator. The beautiful illustrations are the perfect touch to tie it all together!
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Reviewed in the United States on October 21, 2025
★★★★★ 5
A good and easy “self-help” book for parents to “help” their child with their emotions! LOVE IT!
Format: Hardcover
Wow! I love that this book was written by a licensed professional counselor! I love that I’m familiar with this author’s other books which I own and have read. I love that this book addresses so many emotions a child will have! My favorite is “Jealous” because she perfectly depicts a birthday party and we all know that siblings can easily become jealous over all the attention, the gifts, the cake…
The pictures pair beautifully with the words/emotions. I love this illustrator, she is amazing and gifted! You are easily drawn in by the details and colors in each picture! It really gives my child lots of images and things to look at and relate to as you read to them.
I also love the emotion “Peaceful” because when you look at the illustrations of the water and floating on a tube while your hand is resting in the water and you are gently kicking your feet, that looks and feels peaceful and I know my child can relate to that.
This is a very easy to understand book. I loved that each emotion was on two pages and you didn’t need to turn the page, it was all there for you to process and read. The entire explanation of the emotion was a simple way for my child to grasp the concept and give simple choices on how to deal with the emotion. For me including God in the equation was awesome and important and that was also simple and easy to understand.
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Reviewed in the United States on October 21, 2025
★★★★★ 5
A beautiful and meaningful book!
Format: Hardcover
I absolutely love this book! The illustrations are gorgeous, and the book does such a great job helping kids understand their feelings and how to handle them. It’s been so helpful for talking with my kids about their emotions in a simple, meaningful way. I also love how the author brings God into it—it’s such a sweet reminder that He cares about every feeling we have. Highly recommend for any parent!
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Reviewed in the United States on October 9, 2025
★★★★★ 5
I love this book!
Format: Hardcover
I really love this book and the beautiful whimsical illustrations. I love the way it identifies and affirms each emotion we/our children/grandchildren have - all the while turning us (and them) to faith in Jesus and God's constant loving care. I have bought it for my grandkids and am so glad to give this to them as a tool to help them understand things they are feeling and be able to express those feelings appropriately and know they are never alone!
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Reviewed in the United States on October 29, 2025
★★★★★ 5
LOVE it!
Format: Hardcover
This is a Wonderful Book! I bought this book for our 4 grandkids, and when I gave it to my daughter in law she said the timing was perfect!!! It's full of beautiful pictures and every page rhymes to engage with your children. I highly recommend this book for Christmas, or a gift for any occasion. I've told many moms of young children to get this book. Thank you Debra for thinking of our children's needs too! (grandkids ages 8, 6, 5 and newborn)
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Reviewed in the United States on November 3, 2025