【Audio Equalizer】VFD dynamic display screen, 32 different spectrums jump in real time with the rhythm of music, full of dynamics. It can store 12 music effect modes, including 6 fixed modes and 6 user-defined equalization modes, and can be adjusted at will 【Material】Aluminum alloy panel, high-grade frosted paint shell, large contact spring touch switch button, fashionable and durable 【Stable Transmission】Adjustable gain signal size, with volume adjustment, built-in lossless sound quality 5.0 Bluetooth module, 10-20m long-distance transmission, with full-function infrared remote control, convenient daily operation 【Multi-Function】With automatic input signal detection function, one-button operation can automatically search and lock the input channel. Automatic operation memory and power-off memory function, restart to keep the user operation information before the last shutdown 【Input and Output】U disk and SD card can be inserted, suitable for MP3, WMA and other common music formats and lossless music formats. With 2 groups of lotus interfaces and 1 group of professional XLR interfaces, a total of 3 groups of signal output