• Standard input/output interfaces: with 3.5mm AUX/stereo RCA inputs and stereo RCA 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.
• Adjustable gain and voltage boost circuit: with built-in amplification and voltage boost circuit, adjustable gain to match better with different audio sources, while L1 MINI 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 upgrade other dual op amps to bring more playability. The high-quality sealed potentiometer ensures a wide frequency range and excellent dynamic response, delivering smooth, warm, and natural sound with ultra-low distortion.
• Versatile application scenarios: perfect for boosting the volume of portable audio devices to match home stereo systems, enhancing karaoke or CD/DVD players for lively parties, and providing external volume control for audio sources lacking adjustments, ideal for mixer or speaker setup, audio recording, party, live stage event etc.
• Super mini size with durability: with a compact size, it is easy to carry and fit into any audio system without taking up much space, perfect for on-the-go use. The all-metal design ensures durability while shielding electronics from electromagnetic interference and reducing noise.

• 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
• Working voltage of amplification part: 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

User Manual of Douk Audio L1MINI