TubeT1 Preamplifier Vacuum Tube Amplifier Buffer Mini HiFi Stereo Preamp with Treble amp Bass Tone Control for Home Audio Player 6K4 Tubes

Color: Dark
Black  Features: 1. All aluminum alloy shell, heavy gold PCB, gold-plated interface. 2. Provide Warmth, Dynamic, Sweet tube coloration feeling. 3. Optimize integrated circuit and high quality power adapter to minimize the noise. 4. Tubes detechable and replaceable. 5. With Treble and Bass control function, high playability. SOMETHING SHOULD BE KNOW- It is NOT a phono preamp for turntable. To order a PHONO Preamp, please visit B07QBXV3CG. - The preamp need to connect with a power amplifier or active speaker, can not connect with a passive speaker directly. - Low-quality audio lines and power adapter will generate noise as a result. - SENUCN-AUDIO had changed to Brand, same quality great products.
Specifications:  
Power Supply: DC 12V/2AFrequency
Response: 20HZ -20KHZ( (3dB)
SNR:
98DBTHD: 0.1 %ControlPotentiometer knob and toggle switchTreble adjustment range: 6dBBass
adjustment range: 10dBAudio
Inputs/Audio Outputs: Gold-plated RCA
Machine Size: 118.5 *98*33mm( 4.64 * 3.86 * 1.3 inch)
Package Include: 1 x Tube Preamplifier2 x 6K4 Tube1 x Power Adapter  About the
Noise: 1. Make sure the RCA cables, the tubes and the adapter are connected well. 2. After that, if there's a noise while useing, please change the adapter(12V/1A or 2A) and try again. 3. If there still a noise, please contact with us via email. We provide 3 month no asked refund and 12 month  guarantee, will make a solution to you.