SUCA AUDIO Tube Preamplifier for Home Audio Player Mini Hi-Fi Stereo Preamp with Treble & Bass Control (6K4 Tubes)

SUCA AUDIO Tube Preamplifier for Home Audio Player Mini Hi-Fi Stereo Preamp with Treble & Bass Control (6K4 Tubes)

<p><b> Features:</b> <br></p><p>1.All aluminum alloy shell,heavy gold PCB,gold-plated interface. <br></p><p>2.Provide Warmth, Dynamic,Sweet tube coloration feeling.</p><p>3.Optimize integrated circuit and high quality power adapter to minimize the noise.</p><p>4.Tubes detechable and replaceable.</p><p>5.With Treble and Bass control function, high playability.</p><p> <br></p><p><b>SOMETHING SHOULD BE KNOW</b></p><p>- It is NOT a phono preamp for turntable. To order a PHONO Preamp, please visit B07QBXV3CG.</p><p>- The preamp need to connect with a power amplifier or active speaker, can not connect with a passive speaker directly.</p><p>- Low-quality audio lines and power adapter will generate noise as a result.</p><p>- SENUCN-AUDIO had changed to SUCA-AUDIO Brand, same quality great products. <br></p><p> <br></p><p></p><p></p><p><b>Specifications: </b></p><p>Power Supply: DC 12V/2A</p><p>Frequency Response: 20HZ -20KHZ((±3dB)</p><p>SNR: 98DB</p><p>THD: 0.1%</p><p>Control：Potentiometer knob and toggle switch</p><p>Treble adjustment range: ±6dB</p><p>Bass adjustment range: ±10dB</p><p>Audio Inputs/Audio Outputs: Gold-plated RCA</p><p>Machine Size: 118.5*98*33mm(4.64 * 3.86 * 1.3 inch)</p><p> <br></p><p><b>Package Include:</b></p><p>1 x Tube Preamplifier</p><p>2 x 6K4 Tube</p><p>1 x Power Adapter </p><p> <br></p><p><b>About the Noise:</b></p><p>1. Make sure the RCA cables, the tubes and the adapter are connected well.</p><p>2. After that, if there's a noise while useing, please change the adapter(12V/1A or 2A) and try again.</p><p>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. <br></p>