Feature:1. 4channel mixer can meet users' home music production, webcasting, K song cover and other needs.2. The mixer is compact and lightweight. Support USB connection, plug and play.3. The mixer is equipped with input gain and treble and bass adjustment.4. With multiple interfaces such as main output and auxiliary output, and with monitor output interface.5. The builtin 48V power supply is suitable for direct power supply of condenser microphones, highdefinition headset output port, MP3 player, Bluetooth receiver, and with PC sound card.Specification:Condition: 100% Brand NewItem Type: Audio MixerMaterial: ABSPower: 25WInterface: Conventional InterfaceApplicable Computer: Stage EquipmentFrequency Response: 10 Hz to 200kKzGain Range: +14dB To +60dBSignal to Noise Ratio: 120dB E.I.NFrequency Response: 10 Hz to 130kHz.Package List:1 x Adapter1 x Charging Cable1 x Audio Mixer1 x ManualNote:When connecting with a computer, use a flower wire to connect, and avoid using a headset with a call function when connecting the headset.