Features:
1.Preamp: Enabling 10 times amplification for the signal, that is, 20dB. Can directly drive the headphone and supports 16ohm maximum headphone impedance.
2.Pretty Sound: Using dual op amp NE5532 with high frequency electrolytic capacitor and noise reduction circuit design to improve sound quality with high gain.
3.Reliable Use: L and R, 3.5mm input and L and R, 3.5mm, phone output. Powered by DC 9‑19V, the static current is about 8mA. Also has volume adjustment knob.
4.Wide Utility: Allows for input from DVD, CD, set top box, cell phone, etc. as well as output to speakers, sound blasters, AV receivers, post amplifiers and so on.
5.Easy Carrying: Designed to have a compact size of 87 x 50 x 37mm, the lightweight stereo preamp is very convenient to carry and use.

Specifications:
Item Type: Preamplifier
Input: L and R; 3.5mm.
Output:L and R; 3.5mm; phone.
Power Supply: DC 9-19V
Compatible Input Devices:DVD, CD,set top box,MP3,TV,cell phone, computer,tablet,turntable, sound card,guitar, bass,electronic musical instrument,game console or other device.
Compatible Output Devices: Speakers, subwoofers, sound blasters, reverbs, AV receivers, post amplifiers, headphones, etc.

Package Included:
1*Preamplifier (without power adapter)

Note:
DC 5‑19V power supply, preferably linear power supply.