Sundown Audio SIA-1250D (Smart) 1250W RMS Monoblock Amplifier

Sundown Audio

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About: Sundown Audio SIA-1250D (Smart) 1250W RMS Monoblock Amplifier

Sundown Audio SIA 1250D is Sundown Audio's latest and greatest intelligent full bridge amplifier, the sundown SIA 1250's power supply is built stronger, heatsink is heavier, and the SIA 1250's feature intelligent low voltage technology protecting the amplifier from typical full bridge malfunction. The SIA 1250 also runs cooler because of Sundown Audio's latest fan upgrades.


  • Number of Channels : 1 Ch
  • Output Power: 14.4v @ 1 Ohm: 1250 watts RMS 
  • Output Power: 14.4v @ 2 Ohm: 1250 watts RMS
  • Output Power: 14.4v @ 4 Ohm: 800 watts RMS 
  • Input Sensitivity: 5v Max
  • Minimum Supply Voltage: 10.5V DC
  • Maximum Supply Voltage: 15.5V DC
  • Signal To Noise Ratio: 108dB 
  • Frequency Response: 10HZ 20KHZ (-3DB) 
  • Crossover: 
  • HPF: 10Hz TO 1KHz (-12DB/8) Variable
  • LPF: 40Hz TO 20KHz (-12DB/8) Variable
  • Thermal Management: Smart Cooler ( Fan Powered By Temperature, With 3 Speeds) 
  • Input Impedance: 56K OHMS
  • Protection System: Output Short/High/Low Supply Voltage/Thermal Protection
  • Minimum Supply Voltage: 9v DC
  • Maximum Supply Voltage: 16v DC



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