Description Are you looking for a professional, yet reasonable tube preamp? Are you in search of a sturdy, trustworthy accessory that can do multiple jobs at once? If yes, look no further! Our Vacuum Pre-amp must meet your needs, this tube preampis one of the great choices for you. Features -Color:As Shown-Material:PCB, ABS, glass-Size:11.00X7.50X3.20cm/4.32X2.95X1.26in-Size:5.00X1.50X1.50cm/1.97X0.59X0.59inInput: DC 12-16V 1A-This tube preamp utilizes tubes to produce a pure and clean sound that is free from distortion and interference.-With its preamplifier function, this device can enhance the audio effect of any sound system it is connected to.-This Vacuum Pre-amp is fit for diy home theater systems, allowing users to adjust their audio setup to their liking.-The exquisite design of this Stereo Preamp makes it a stylish addition to any modern home decor.-Lightweight, portable, easy to install and use, which can give you a great usage experience.Packing list: 1 x preamp2 x tubes