Blueknob Series(B-KNOB2/3/4/5)
B-KNOB series: this series comes from a good idea about rotary knob. When your pre-amplifier is powered on, the top surface of the rotary knob will emit very cool blue halo. Here the laser engraving technology is applied to process the characters and transparent zone on the top surface of the rotary knob. You may press the rotary knob and it will bounce up automatically. Then you may rotate to adjust the parameters of the pre-amplifier. When you don’t use it any more, you may press it down......
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