Box X2 Phono Preamp, Mini Stereo Audio Hi-Fi Preamplifier with Gain Gear, Pre-Amplifier for MM Turntable Phonograph and Record Player, with DC 12V.

It is built to protect your turntable due to its grounding post. 3 Switchable Gain Modes: You can select among 3 modes: 39, 42, or 45 d B. High compatibility and customizable control are offered by the adjustable gain levels. It features excellent circuitry and entry-level, high-end analog sound. Tube Preamplifier: With a 3.5mm AUX input, it also operates as a tube preamp. High-quality component parts were utilized in the design and assembly of this phono preamplifier. You can experience a very warm and smooth sound. Applicable Vacuum Tube Model: The compatible vacuum tube models are 6K4, 6J1, 6J4, GE5654, 6AK5, 66, and others. To modify your stereo system yourself, simply exchange the vacuum tubes. Note that distinct tubes produce various sounds. Package Content: You will receive 1 x Box X2 phono preamp, 2 x vacuum tubes, 1 x RCA cable, 1 x power adaptor, and 1 x user manual