商品コメント | It is perfect for audio signal amplification. The amplification multiples is 10 times (20dB). It can directly drive the headphone to work (the headphone output port cant be used with other output ports at the same time), and supports the maximum headphone impedance of 16 ohm.brUsing the classic Dual OP AMP NE5532, high frequency electrolytic capacitor, noise reduction circuit design, no background noise, effective gain audio, improve sound quality.brInput RCA (L / R) + 3.5mm, Output RCA (L / R) + 3.5mm + headphones, Poowered by DC 9-19v, static current about 8Ma. With volume adjustment knob, the volume can be adjusted freely.brSmall size, easy to carry and use. Size 87mm / 3.42in × 50mm / 1.96in × 37mm / 1.45in .brWidely compatible with all audio devices. Input DVD, CD, set-top box, MP3, TV, mobile phone, computer, tablet, phono turntable, sound card, guitar, bass, electronic instrument, game console or other devices. Output speakers, subwoofer, Sound Blaster, reverberator, AV receiver, Post-Amp, Headphones, etc. |