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 SUCA-AUDIO Brand, same quality great products.

Specifications: 

Power Supply: DC 12V/2A

Frequency Response: 20HZ -20KHZ((±3dB)

SNR: 98DB

THD: 0.1%

Control：Potentiometer knob and toggle switch

Treble adjustment range: ±6dB

Bass adjustment range: ±10dB

Audio Inputs/Audio Outputs: Gold-plated RCA

Machine Size: 118.5*98*33mm(4.64 * 3.86 * 1.3 inch)

Package Include:

1 x Tube Preamplifier

2 x 6K4 Tube

1 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.