Feature: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. Ultralow noise, high headroom mixer can provide highquality 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 3band 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 barrierfree, cablefree audio streaming. This audio mixer allows you to easily transfer all your favorite music to the mixing board wirelessly.Specification:Item Type: Mini MixerModel: F4-MBMaterial: ABS+MetalColour: BlackDistortion: <1%Frequency Response: 20Hz to 20KHz/0.5dBS/N Signal-to-noise Ratio: -80dBOutput Voltage: 4V MaximumMicrophone Impedance: 2.4kMono Impedance: 11kStereo Impedance: 100kMicrophone Input: Electronic Balance, Discrete Input ConfigurationLine Input: Electronic BalanceStereo Channel:Frequency Response: 10Hz to 70KHzGain Range:Line: -8 to +15dBMicrophone: +13 to +60dBSignal to Noise Ratio:Line: 90dBMicrophone: 104dBBalanced:Low: 80Hz15dBHigh: 12KHz15dBInput: 2 XLR/lINE Jack Combo Microphone Inputs1 Pair of 1/4" and 1 Pair of Stereo InputOutput: 1 Pair of Stereo Output 1 Pair of 1/4" Main OutputCompatible 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 Console1 x USB Power Cord1 x Manual