A-150 400W DSP TECHNOLOGY Karaoke Mixing Amplifier, Built-in Optical/Coaxial, Bluetooth, USB Voice Recording, Feedback Eliminator

• Built-in Microphone Feedback Eliminator (ON/OFF)
  
• Built-in DSP (Digital Signal Processing) TECHNOLOGY
• Built-in 6 kinds of music mode (POP,ROC,JAZZ,CLSA,COV,NOR) 
  
• Built-in Bluetooth 5.0
• USB Port MP3 Playback
• Digital Optical and Coaxial Input
• Mic Volume for Mic1, Mic2/4, Mic3/5
• Master Music Volume Knob
• Master Mic Volume Knob
• Music Tone Control - Treble, Bass
• Mic Tone Control -Treble, Mid, Bass
• Echo Tone Control - Delay, Repeat, Echo-Level
• Audio Input: Multiple sets of RCA audio

Specifications:

• RMS Output Power: 150 Watts x 2 @ 8Ω, Total 300 Watts
• Max Output Power: 200 Watts x 2 @ 4Ω, Total 400 Watts
• Frequency Response: 20Hz~20kHz, ± 0 dB: - 1dB
• S/N Ratio: 90 dB
• Music Input Sensitivity/Impedance: 250mV
• Microphone Input Sensitivity/Impedance: 20mV
• THD 20Hz - 20kHz : <0.1%

Connectors:

• 5 X 1/4” Microphone Inputs  (3 front, 2 rear)
• 3 X Analog Audio RCA Inputs (BGM,DVD,VOD)
  
• 1 X Analog Audio RCA Output (PREAMP)
• 1 X Subwoofer Output
• 1 X Music Input Level Control
• 1 X Optical Input
  
• 1 X Coaxial Input
• 2 X speaker output interface