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Mini Stereo Line Level Booster Amplifier Audio Preamp 20dB Gain Volume Control
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ShareMini Stereo Line Level Booster Amplifier Audio Preamp 20dB Gain Volume Control
Users say:
This product is a great solution for boosting audio signals from a variety of sources, such as a home stereo, a home audio amplifier, and a vintage turntable. It is small and fits well behind the CD player, but the power cord is short and the volume output is not as high as desired. The build quality is solid and the customer service is excellent, but the signal strength is not as high as desired.
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 amplifi…
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. 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. Warm Tips 1. 3.5mm AUX input with priority, please make sure AUX cable has been disconnected if you want 5-DIN or stereo RCA input. 2. 5-DIN and stereo RCA output can work at the same time. 3. 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
Review summary
AI-generated content
This product is a great solution for boosting audio signals from a variety of sources, such as a home stereo, a home audio amplifier, and a vintage turntable. It is small and fits well behind the CD player, but the power cord is short and the volume output is not as high as desired. The build quality is solid and the customer service is excellent, but the signal strength is not as high as desired.
Pros
- Compact size
- Boosts audio output
- Easy to use
- Compact design
Cons
- Short power cord
- No wall adapter included
Read original reviews
Description
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. 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. Warm Tips 1. 3.5mm AUX input with priority, please make sure AUX cable has been disconnected if you want 5-DIN or stereo RCA input. 2. 5-DIN and stereo RCA output can work at the same time. 3. 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
Specifications
| Power Supply | 240 Volts |
| Dimensions | 5.24 X 3.78 X 3.31 Inches |
| Package Dimensions(w*d*h) | 150*90*110mm / 5.91*3.54*4.33in |
| Brand | Douk Audio |
| Input Sensitivity | 150mw/50khz At 1khz |
| Net Weight | 155g / 0.34lb |
| Frequency Response | 20hz-20khz ( ± 0.5db) |
| Date First Available | October 13, 2020 |
| Max Output Amplitude | 12.5v |
| Features | Line Level Booster |
| Item Weight | 11.7 Ounces |