【Audio Spectrum Analyzer】Adopt cutting-edge digital processing technology and 31-band spectrum display to ensure high-quality audio customization 【Sturdy】With an Standard 1U ultra-thin yet rugged chassis, our equalizer is perfect for on-the-go gigs or studio sessions. The sealed rotary controls resist dust, ensuring your equipment stays in top shape 【Level Adjustment】The audio spectrum analyzer integrates audio processing functions, bass level 20-250HZ, mid-range level 300-2500HZ, treble level 3K-20KHZ, allowing users to fine-tune the audio precisely 【Connection Method】3 input and playback methods, plug-in input playback, USB port playback, with Bluetooth playback. The interface supports Lotus/XLR balanced interface, easily connect your device 【Application】This audio spectrum analyzer is an ideal accessory for home theaters, KTV venues, music studios and DJ equipment, providing a visual and auditory feast