Feature:1. High and Low Pitch Adjustment: Select motherboard and independently develop DSP sound effect chip to effectively solve low sound and noise.2. Mono Two-stage Equalizer: 3 equalizers per mono, fine tuning of voice / music at any time.3. VHF Wireless Microphone with Display: High quality pickup , long distance effective reception, restore real sound.4. 30m Receiving Distance: VHF receiving antenna, effective long distance reception.5. Applicable Occasions: Widely used in computer recording, live karaoke, band performance, conferences and other occasions.Specification:This DJ controller 4 channel audio mixer with dual microphone machine is the perfect way to mix audio from MP3, mic, and guitar connected devices. Features:High and Low Pitch Adjustment: Select motherboard and independently develop DSP sound effect chip to effectively solve low sound and noise.Mono Two-stage Equalizer: 3 equalizers per mono, fine tuning of voice / music at any time.VHF Wireless Microphone with Display: High quality pickup , long distance effective reception, restore real sound.30m Receiving Distance: VHF receiving antenna, effective long distance reception.Applicable Occasions: Widely used in computer recording, live karaoke, band performance, conferences and other occasions.Specifications:Plug: EU / US (Optional)Material: Metal +PlasticFrequency: VHFNumber of Channels: 4CHFrequency Response: 20Hz-20KHz+1dB/-3dBChannel Equalization: 2Three-Dimensional: 4CHMIC Input Impedance: 2.4K0Output and Input Level: +17dBUThree-Dimensional: 4CHMIC Input Impedance: 2.4K0Output and Input Level: +17dBUPower Consumption: 5WEffect: REVERBERATIONMixer Size: 162 * 140 * 43mm / 6.37 * 5.51 * 1.69inMicrophone Size: 235 * 45 * 33mm / 9.25 * 1.77 * 1.29inItem Weight: 911g / 2.01lbPackage Weight: 1149g / 2.53lbPackage Size: 32 * 27.5 * 6.5cm / 12.59 * 10.82 * 2.56inPackage List:1 * Mixer2 * Microphone1 * Adapter1 * Power Cable1 * User Manual (English)Package List:1 * Mixer2 * Microphone1 * Adapter1 * Power Cable1 * User Manual (English)