
Douk Audio L1-MINI
Stereo Line Level Booster Amplifier
20dB Gain|Adjustable Volume|NE5532P Op Amp|USB Powered|Compact Metal Design|Ultra-low Distortion
Parameters:
Can I power the L1 MINI using my computer’s USB port?
It’s not recommended, as powering via computer USB ports may introduce noise interference. Use a phone charger or power bank instead.
Does the L1 MINI include a power adapter?
No, it includes a USB-to-DC cable only. You can conveniently use your phone charger or a power bank as the power source.
Can this amplifier solve low-volume issues from my portable devices like phones or MP3 players?
Yes, L1 MINI effectively boosts low-level outputs from phones, MP3 players, computers, and similar devices, ensuring balanced and clear sound.
Can I use L1 MINI to enhance sound levels for karaoke or party events?
Absolutely! It boosts output from karaoke machines, CD/DVD players, and mixers, providing lively, high-quality audio suitable for events.
Can I control volume externally with L1 MINI for devices without built-in volume adjustments?
Yes, L1 MINI provides convenient external volume control for audio devices or stereo amplifiers lacking built-in volume adjustments.
Douk Audio & Nobsound
Line level booster | Type: | Line level booster |
AUX / RCA | Audio input: | AUX / RCA / 5-DIN |
RCA | Audio output: | RCA / 5-DIN |
20dB (Adjustable) | Gain: | 20dB (Adjustable) |
Line level booster | Type: | Headphone Amplifier |
AUX / RCA | Audio input: | RCA |
RCA | Audio output: | 6.35mm headphone |
20dB (Adjustable) | Gain: | =1300mW (32O) |
Line level booster | Type: | Tube Headphone Amp |
AUX / RCA | Audio input: | AUX / RCA |
RCA | Audio output: | 3.5/6.35mm headphone |
20dB (Adjustable) | Gain: | =1100mW (32O) |
Line level booster | Type: | XLR Headphone Amp |
AUX / RCA | Audio input: | XLR |
RCA | Audio output: | XLR/4.4mm headphone |
20dB (Adjustable) | Gain: | =1500mW (32O) |

Douk Audio & Nobsound
Make Hi-Fi Affordable

Stereo Line Level Booster Amplifier
20dB Gain|Adjustable Volume|NE5532P Op Amp|USB Powered|Compact Metal Design|Ultra-low Distortion
Amplify Low-Level Audio
Effortlessly boost audio devices' outputs by 20dB for powerful, distortion-free sound.
Customized Audio Output
Flexible gain control to perfectly match various audio sources and setups.
Portable Power Convenience
Easily powered via phone charger or power bank, perfect for mobile and stationary setups.
Superior Audio Clarity
High-quality op amp provides smooth, natural sound with exceptional dynamic response.
Space-saving Robust Build
All-metal mini design ensures durability, noise shielding, and easy placement in any setup.
Enhance Your Home Setup
Perfectly boosts TV, MP3, or computer outputs for seamless integration into your home audio system.
Perfect for Your Desk
Ideal for enhancing audio output from PC, laptops, or gaming systems for clearer sound.
Parameters:
| Audio input: | 3.5mm AUX / Stereo RCA |
|---|---|
| Audio output: | Stereo RCA |
| Gain: | 10 times, 20dB (adjustable) |
| Frequency response: | 20Hz-20KHz |
| THD: | 0.06% Max |
| S/N ratio: | >90dB |
| Input sensitivity: | 150mW/50KHz at 1KHz |
| Max output amplitude: | ±12.5V |
| Input voltage: | DC 5V (=350mA) |
| DC plug size: | 5.5*2.5mm |
| Amplification Working voltage: | DC 26V |
| Dimensions (W*D*H): | 65 × 89 × 27mm / 2.56 × 3.50 × 1.06in |
| Package dimensions (W*D*H): | 130 × 80 × 90mm / 5.12 × 3.15 × 3.54in |
| Net weight: | 141g / 0.31lb |
| Package weight: | 300g / 0.66lb |
Can I power the L1 MINI using my computer’s USB port?
It’s not recommended, as powering via computer USB ports may introduce noise interference. Use a phone charger or power bank instead.
Does the L1 MINI include a power adapter?
No, it includes a USB-to-DC cable only. You can conveniently use your phone charger or a power bank as the power source.
Can this amplifier solve low-volume issues from my portable devices like phones or MP3 players?
Yes, L1 MINI effectively boosts low-level outputs from phones, MP3 players, computers, and similar devices, ensuring balanced and clear sound.
Can I use L1 MINI to enhance sound levels for karaoke or party events?
Absolutely! It boosts output from karaoke machines, CD/DVD players, and mixers, providing lively, high-quality audio suitable for events.
Can I control volume externally with L1 MINI for devices without built-in volume adjustments?
Yes, L1 MINI provides convenient external volume control for audio devices or stereo amplifiers lacking built-in volume adjustments.
Douk Audio & Nobsound
Douk Audio & Nobsound
Make Hi-Fi Affordable




































































