Product details:

• # 2000W 4 CH bluetooth Amplifier
• Feature:
• 1.Support 4 way microphone input
• 2.LED display
• 3.2 tack output With EQ
• 4.Reverberation, fine tuning, balance, SD, USB interface.
• 
  
• Specifications:
• S/N: 90dB
• Distortion: 0.5%
• Channel: 4 CH
• Voltage: 110V 50/60Hz
• Max Power: 500W+500W
• Rated power(RMS): 200W + 200W
• Standard impedance: 4 to 16 ohm
• Frequency response: 20KH - 20KHz (+ 3dB)
• Signal input sensitivity: 200mV (+ 30mV)
• Microphone input sensitivity: 9 MV (+ 2mV)
• Type of power amplifier: AV power amplifier
• Support:USB Disk/Max 64GB SD Card(Not included)
• Weight: 8.14lbs
• Size: 11.41 x 9.44 x 3.93 Inches
• 
  
• # 1000W 2 CH bluetooth Amplifier
• Features:
• Digital MP3 player.
• Suitable for HiFi, home theater systems and karaoke
• bluetooth interface for streaming music from mobile phone
• USB / SD slot to play MP3 from the memory stick or card
• FM radio
• 2 microphone jacks
• Separate volume, tone and controls for the microphones
• Cable terminals for connecting the speakers
• 
  
• Specifications:
• SNR: 70db
• Channel: 2 CH
• Distortion rate: 0.4
• Resolution: 20-20 KHZ
• Impedance: 4-16 ohms
• Rated power: 50W+50W
• Maximum power: 450W+450W
• Rated voltage: DC12V AC115-230V
• Weight: 3.74lbs
• Size: 7.59 x 7.08 x 2.55 Inches
• 
  
• # For 600W 2CH  Bluetooth Amplifier(Upgraded version support Car&Home, old version only Car)
• Specification:
• Colo: Black
• Channel: 2 CH
• Model: BT-298A
• bluetooth: Support
• Rated Power: 150W + 150W
• Peak Power: 300W + 300W
• Standard Impedance: 4 - 16
• Input voltage: AC 110V/ DC12V(in car)
• Signal-to-noise Ratio: 90DB (A power)
• Frequency Response: 20KH - 20KHZ(3DB)
• Total Harmonic Distortion: 0.5% (normal working conditions)
• Signal Input Sensitivity: 200MV(30MV)
• MIC Input Sensitivity: 9MV(2MV)
• Recording Level Output: 1V
• Auxiliary Level Output: 1V
• 
  
• # For 400W Amplifier(Car Only)
• Specifications:
• Model: G7
• Color: Blue/Red
• Material: Aluminum Alloy
• Size: 15.3X10.5X4.3CM
• bluetooth version: V5.0
• Input voltage: DC 12V/ AC 220V
• RMS power: 18W+18W
• Max power: 200W+200W
• Channel: 2CH
• Load impedance: 4-16
• SNR: 92 db
• Distortion rate: 0.02%
• 
  
• Note:
• 1. The USB Disk/Max 64GB SD Card is not included in the package.
• 2.Please press the mode button to choose mode before being used.