Douk Audio VU Meter Dual Analog Display DB Panel Sound Level Meter MIC+LINE (Black)

------------------------------------------------------------------------------------------------------------------ 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ------------------------------------------------------------------------------------------------------------------ 【Wired and Wireless Audio Input】Equipped with stereo RCA/3.5mm AUX audio input and microphone pickup, works well with most audio devices such as smartphones, computers, CD players, speakers, etc., perfect for home/office/studio use. very suitable for [Advanced AGC algorithm and better display] AGC ensures the ideal visual effect even when the input signal is in the small to large range. Avoid displaying in full screen when inputting a low signal and not displaying when inputting a high signal. Gain adjustment also allows you to set the swing range of the pointer, allowing you to easily control most input signals and achieve better beat effects. 【Great Sound and Free Settings】100K high-impedance input circuit ensures clean sound without audio rendering when using line input. The backlight color and brightness can also be adjusted freely, perfectly matching different styles of audio devices and environments. 【Attractive Appearance and Powerful Design】All metal case with CNC machined panel, sturdy stepless adjustment knob, all interfaces are gold-plated to ensure tight connection and keep the original audio signal Ensure smooth transmission and minimize signal loss during transmission. 【Note】 1. Power adapter is not included, if you need to power the VU22 from another USB power source, please do not use your computer's USB port or share the power source with your audio source. please. Otherwise, general ground noise will occur. 2. Please do not connect the RCA and 3.5mm AUX inputs at the same time, as the stereo RCA and 3.5mm AUX inputs are parallel, and the two inputs and outputs work at the same time. Audio input: Stereo RCA/3.5mmAUX/Mic Audio output: Stereo RCA/3.5mm AUX Input impedance: 100K Input voltage: 0.1-2Vrms Frequency response: 5Hz-20KHz LED color: switchable Brightness: adjustable Gain adjustment: support Working voltage: DC 5V (≧1A) Power interface: USB (type-C) Setup save: Support VU meter diameter: 45mm Dimensions (W*D*H): 177*115*59mm/6.97*4.53*2.32in Net weight: 661g / 1.46lb Package weight: 900g / 1.98lb packing list 1*VU22VU meter 1 * USB cable (without power adapter) 4*Rubber feet 1*User manual