If you are looking for the professional karaoke mixing amplifier for your bar or club, look no further than Martin Roland's MA-3000K 600 Watts Professional Digital Mixing Amplifier.

Designed by German engineer, Martin Roland is known for its quality and durability. This professional mixing amplifier was built to sustain continuous usage at maximum wattage output.  It is a perfect companion for DJs and KJs who are seeking for a reliable component that will carry them throughout the long night without the nightmare of equipment failure. Clcik here to see the back connection.

Specification:

• Audio Output: 300W+300W Output @ 8 Ohm
• Microphone input sensitivity: 0<15mV
• Frequency Band: 25Hz to 20kHz
• Dimension: 420mm(W) x 129mm(H) x 330mm(D)
• Electricity consumption: 550W
• Ultra Quiet Cooling Fan
• Designed in Germany
• Weight: 40 lbs

Microphones

• 3 x 1/4" Microphone Inputs
• Input Signal Attenuators
• Auto-gain level indicators
• Individual Microphone Volume Control
• Individual Balance Control
• Individual Echo Depth Control
• Individual Bass/Mid-range/Treble Volume Control

Volume Control

• Microphone Master Volume Control
• Music Master Volume Control

Echo Control

• Depth control
• Bass control
• Treble control
• Repeat control
• delay time control

Music Control

• A/B Input Selector from 2 Audio Sources
• Balance control
• Bass/Mid/Treble control
• 11 Step Digital Key Control
• 2 Music Mode: Disco or Karaoke

Full Function Remote Control

• Key Control: Normal, Low, High
• Microphone Volume Control
• Input Selector
• Master Music Volume Control