Features 1、The mixer adopts an ABS metal body and a sealed whirly control device, which can prevent dust and dirt and provide comprehensive dynamic control. Ultra‑low noise, high headroom mixer can provide high‑quality sound quality at the studio level. 2、Support XLR and unbalanced 1/4" plug, with +48V phantom button, high accuracy LED peak level indicator and super music 3‑band equalizer, the simple function of high headroom mixer can provide professional voice and instrument sound. 3、There are 4 connection channels, suitable for connecting with multiple devices, compatible with most audio files of USB, Flash Reader, MP3, and connect to your external USB, computer PC, flash drive or Bluetooth device for mixing and recording. 4、The lightweight mixer can be directly connected to the USB port of the computer for power supply, without additional power supply (adapter needs 2A). You can also use a mobile power supply or USB adapter power supply. 5、The mixer is compatible with most devices. At the same time, it has wireless streaming Bluetooth for barrier‑free, cable‑free audio streaming. This audio mixer allows you to easily transfer all your favorite music to the mixing board wirelessly. Specification Item Type: Mini Mixer Model: F4-MB Material: ABS+Metal Colour: Black Distortion: <1% Frequency Response: 20Hz to 20KHz/±0.5dB S/N Signal-to-noise Ratio: ≥-80dB Output Voltage: 4V Maximum Microphone Impedance: 2.4kΩ Mono Impedance: 11kΩ Stereo Impedance: 100kΩ Microphone Input: Electronic Balance, Discrete Input Configuration Line Input: Electronic Balance Stereo Channel: Frequency Response: 10Hz to 70KHz Gain Range: Line: -8 to +15dB Microphone: +13 to +60dB Signal to Noise Ratio: Line: 90dB Microphone: 104dB Balanced: Low: 80Hz±15dB High: 12KHz±15dB Input: 2 XLR/lINE Jack Combo Microphone Inputs 1 Pair of 1/4" and 1 Pair of Stereo Input Output: 1 Pair of Stereo Output 1 Pair of 1/4" Main Output Compatible Devices: A variety of audio devices can be connected, and the mixer is compatible with mobile phones, computers, tablets, electronic musical instruments, wireless or wired microphones, stereos and certain gaming devices. Uses: This mixer has a wide range of uses and can be used in various places, such as karaoke halls, recording studios, stage performances, commercial activities, etc. Package List 1 x Mixing Console 1 x USB Power Cord 1 x Manual