AK2515 Audio Spectrum Analyzer VFD Sound Level Meter VU Meter Screen Display

Subscribe to Nobsound & Douk Audio to get more discount news !!! ********************************************************************* AK2515 Audio Spectrum Analyzer VFD Sound Level Meter ********************************************************************* This is the latest upgraded version of AK2515, release on Nov. 2021, all display will better than before and add auto display mode. Please click the above LINKs for detail, this video is the old version. ********************************************************************* 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...