Specification: Item Type: Microphone Mixer_x000D_Material: Aluminum Alloy_x000D_Bluetooth: 5.1_x000D_Maximum Input Level: 3.5 (RMS)_x000D_Maximum Output Level: 3.5 (RMS)_x000D_Music Channel Gain: 12dB_x000D_Microphone Sensitivity: 64mV_x000D_SNR: up to 80dB_x000D_Voltage: 100-240V_x000D_High Frequency: 17.9 to 210Hz_x000D_Low frequency :19.7 to 20.6kHz Features: 1[Digital Feedback Suppressor]: The microphone mixer is equipped with built in 3 level feedback suppressor, effectively reducing unwanted feedback and preventing microphone squeal. 2[DSP Processor]: The DSP processor, combined with sound algorithms, creates an amazing sound field effect, ensuring clear and distortion free sound performance and keeping microphone squeal at bay. 3[Digital Equalizer]: The microphone features 16 segment equalizer, while the music input has 9 segment equalizer, allowing for precise sound adjustments and creating a more pleasant listening experience. 4[Digital Effects]: With the ability to store up to 15 different effect modes, the microphone mixer allows for quick and easy switching between desired effects, enhancing singing performances with efficiency. 5[Digital Reverb]: The digital mixing function of the microphone mixer ensures accurate and satisfying reverb effects, fine tuning the sound to perfection. 6[PC Configuration]: The microphone mixer features full function menu that can be accessed through a PC interface, allowing for precise and professional configuration and adjustments, ensuring optimal performance. PackageList: 1 xMicrophoneMixer 1 x CD ROM 1 x Spacer (4pcs included) 1 x Power Cable 1 x USB Cable 1 x User Manual