Yarryuter Audio Spectrum VU Level Indicator 6E2 Cat'S Eye Tube Driver Board Pickup

4. Complete accessories. USB 5V power supply, complete accessories, ready to use out of , free audio cable and charging cable. 1. Humanized design. Slide the knob to adjust the sensitivity, tool-free operation, built-in plug-and-play audio socket, easy to use. 2. Good display effect. The 6e2 cat-eye tube has high sensitivity and uniform brightness when displayed. The product has a built-in amplifier circuit, and the volume changes are clearly visible; left, right channel or stereo mode can be . 3. Optimized sound quality. Supports treble attenuation function, and drum rhythm, and displays more agilely, suitable for a variety of music styles. 5. Stable operation. Built-in 6.3V filament drive circuit, stable voltage, extended tube life, long-term stable operation.