YIWEI USB LED Music Spectrum Indicator — DSP EQ VU Meter Audio Level Display

Compact USB LED spectrum indicator with built-in DSP EQ: a multicolor 20-stage display combined with 15-level DSP control for precise EQ adjustment. The unit is housed in an ultra-thin acrylic shell and runs on a 5-12v power supply. Supports switchable dual-channel operation and accepts 5mm unbalanced / XH2.54-3P input interface with a 48KHz sampling rate. Frequency response covers 50Hz-20kHz and sensitivity is greater than 40dB (@1kHz). Input gain is adjustable from -6 to +42dB while output gain ranges from -52 to +12dB. A logarithmic 15-segment equalizer frequency point provides detailed tonal shaping. Display modes are changed via lever operation and DSP sound effects are controlled with the encoder. Package includes host (with acrylic shell), to cable, instructions (Chinese and English), audio cable 5mm/RCA lotus head, and a knob cap (for DSP version).