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New for 2024 system 4, 540 x 2 watt Audio & Karaoke Mixer & Twin Madboy wireless microphone system & cables


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In stock, order before 1pm for next day delivery

System 4. is  540 x 2 watts Audio & PA system, simply add your karaoke machine to the Bluetooth or audio in and you have a great sounding PA & Karaoke system. With the mixer being 8 channel  5 x mic inputs USB/Bluetooth/Line in,  it gives you many options  of ways to play your tracks, you can simply connect your Laptop/PC's Karaoke player, Tablet, phones, and now a very popular way your smart TV.  system 1 is also supplied with the brilliant Madboy u-Tube 20 twin radio mic system, perfect for karaoke or professional singers.

System 4, is perfect for home to medium professional venue performances

  • 2 x Citronic 10" Active 540 watt speakers
  • Speaker dimensions 507 x 313 x 307mm Weight 16kg
  • Speaker inputs  Mic/line (XLR/jack), Line (RCA/XLR/jack), Bluetooth
  • 2 x Speaker stand
  • Audio cable kit
  • 1 x Twin Madboy  U-Tube 20  (2 mics)
  • 1 x Citronic Cable Microphone
  • 1 x Audio2000's AMX 7333 , 8 channel audio mixer
  • 24 Month Warranty
  • 2 x 10 Meter speaker cables


The Audio2000'S® AMX7333 system is a truly user-friendly, yet pleasantly sounded, 8-channel audio mixer.  The AMX7333 is configured with all the essential mixer features. The capability of letting user connect a computer to the USB interface, the AMX7333 allows the user to coordinate this audio mixer with a computer to record and/or to perform the music replaying applications.

  • 8-Channel Audio Mixer
  • Built-in USB Interface to Computer for Recording and Music Playing Applications
  • Built-in 32-Bit/24Bit AD-DA Converter DSP Sound-Effects Processor
  • Built-in USB Device Recorder/Player Supporting MP3 and WAV Format
  • Main Output Recordable Directly to USB Device in MP3 Format
  • Two AUX Outputs
  • Ultra-Musical 3-Band EQ on All Channels
  • Microphone + Line Inputs
  • Peak LED Indicators on All Channels
  • MUTE and PFL Control Buttons on All Channels
  • AUX1, AUX2, and PAN Controls on All Channels
  • Dual-LED Displays for DSP and USB Interface
  • 7-Band Stereo Graphic Equalizer
  • High-Accuracy Level Indicator
  • Phantom Power Switch (+48V)
  • Sealed Rotary Control Knobs to Resist Dust and Grime
  • Rugged Steel Chassis

Fed up with lots of wires? Get yourself a pair of wireless microphones. MadBoy® U-TUBE 20 wireless dual channel microphone set, gives you freedom to perform.MadBoy® U-TUBE 20 works off AA batteries, which gives you up to 20 hours of wireless freedom.It works with the less-crowded UHF frequency band, giving you clearer interference-free sound.  Both mic channels have their own volume control and you can either output both channels independently or together using the "mixed output" channel. An auto mute circuit eliminates the popping noise when switching the unit on or off. Our system is designed and manufactured to be dependable, problem free, versatile and easy to use. 

  • 2 x wireless handheld microphone. Mics works with AA batteries.
  • Strong metal grills protects the cartridge and help reducing breath sounds and wind noise
  • 1 receiver with 2 unbalanced mic outputs (6,3 mm Jack) and 1 mixed output (6,3 mm Jack)
  • Individual volume controls for both microphones
  • LED battery indicator on microphones
  • Signal indicators on receiver shows when radio frequency signals are received
  • Separate antennas for both channels makes receiving clearer
  • UHF-frequency 863 MHz - 865 MHz
  • Operating range: 100 m under typical conditions
  • Audio frequency response: 50 - 15.000 Hz ± 3 dB
  • THD: <1%


  • Power Requirements: 12-18 DC nominal, 300 mA
  • Signal/noise ratio: more than 85 dB
  • Border upon channel rejection: more than 70 dB
  • Image & spurious rejection: more than 70 dB
  • Audio output level: 0-±300 mV
  • Receiving sensitivity: -105 dBm
  • Dimensions: 21,8 cm x 14,0 cm x 3,5 cm


  • Power Requirements: 2 x 1,5 V AA battery
  • Nominal current drain: less than 40 mA
  • Modulation type: FM
  • RF output: more than 10 dBm
  • Max deviation: ±30 kHz
  • Spurious emission: more than 55 dB
  • Dimensions: 24,5 cm x 3,9 cm
  • Weight: 0,18 kg