Check the listing for details. Stereo VU Meter Indicator 20 Segment Music Spectrum Analyzer LED Level Display. Condition: New. Listed at 36.30 USD. Spectrum display: Input voltage: USB 5V/DC 7-24W Input power: 1W Frequency response: 50Hz - 20kHz Sensitivity: ＞ 40db Size: 250 * 50 * 20mm Weight: 160g Channel: single and dual channel switching Resolution: 20 segments and 15 levels DSP： Sampling rate: 48KHz Input gain range: - 6 -+42db Output gain range: - 52 -+12db AGC adjustment rate: - 3db -- 27db Modulation range: - 8 -+8 degrees EQ frequency point: logarithmic 15 segments EQ data group: 6 groups of presets+10 groups of personal settings Note: The paddle operation displays the switching mode, and the encoder operation controls the DSP sound effect. Package Contents: 1 x LED Music Spectrum Display Module 1 x Audio Cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 0-2cm. On Mar 4, 2023 at 01:07:17 PST, seller added the following information: