Douk Audio AK2515 PRO Audio Spectrum Analyzer VFD Sound Level Meter

Subscribe to Nobsound & Douk Audio to get more discount news !!! ********************************************************************* This is a new video of AK2515 PRO which is the upgraded version of AK2515. ********************************************************************* Features Accurate music spectrum analyzer & clock display: adopts dedicated VFD display screen with 25 × 15 high resolution, guarantee the accuracy of each frequency band. Also with high-precision clock display, using SD2405AL built-in crystal oscillator which can ensure that the clock accuracy is ±5ppm, year error within 2.5 minutes, very cool and interesting. Wide frequency range display & 3.5mm AUX input: support 32Hz-16KHz frequency sweep, high-precision display even can do frequency point test. Works perfectly with your phone/PC/game player or other audio devices via 3.5mm AUX connection, easily to see the music level status in real time and every slight change of sound can be shown visually. Speical AGC algorithm & customized output curve: ensure ideal visual effects even the input signal is in a small to large range, avoid that no display when input low signal and display in full screen when input high. With 3 kinds of display mode: real output / smooth output I / smooth output II, both ensure accuracy and best display effects, satisfy different usage requirements. Many adjustable items & display effects: the brighntness, the falling speed of main light column, the holding time and the...