Vacuum Tube Preamplifier Multifunctional HiFi Valve Headphone Amplifier for Mobile Phone Computer TV

Feature： 1. CLEAR SOUND QUALITY： This HiFi preamplifier with low noise integrated circuits and high quality components to remove low frequency noise ensure clear sound quality. 2. COMPATIBLE： RCA input for preamplifiers to computers, CDs, telephones etc. and RCA output to digital amplifiers, active multimedia sound devices with lossless sound (excluding RCA cables). 3. SAFETY DESIGN： This preamplifier has a built in switch, circuit shock protection and overheating protection for a long life. 4. PRACTICAL： This tube preamplifier improves all the detail, transparency, immediacy, richness and tone associated with your music. 5. APPLICABLE DEVICES： The vacuum tube preamp suitable for mobile phones, computers, tablets, TVs, set‑top boxes, projectors, etc. Specification： Item Type： Tube Preamplifier Material： Aluminium Alloy Distortion： 0.03percent SNR： 100dB Frequency Response： +-1.5dB (20hz-20khz) Output Connector： RCA Operation： Toggle Switch, Volume Adjustment Knob, High and Low Pitch Knob Applicable Devices： For Mobile Phones, Computers, Tablets, Tvs, Set-top Boxes, Projectors and Other Devices with Analogue Output Devices, etc.. Package List： 1 x Preamplifier2 x Electronic Tube 1 x Chinese and English Manual 1 x Power Adapter Note： This is a preamplifier, not a power amplifier or phono preamplifier, and cannot be used for passive speakers.