is now Click here for details.

Boss ARMOR 4000-Watt 2-Channel Monoblock Class D Power Amplifier with Remote Subwoofer Level Control

Item#:  B45-1204  | Model#: AR4000D

Currently Out Of Stock!


  • Total power: 4000-watt
  • Max power @ 1 ohms: 4000 watts x 1
  • Max power @ 2 ohms: 3000 watts x 1
  • RMS power @ 4 ohms: 1600 watts x 1
  • Frequency response: 15 to 150Hz
  • Total harmonic distortion (THD) @ RMS oputput: 0.01%
  • Signal-to-noise ratio (SNR): 105dB
  • Variable low pass crossover: 50 to 150Hz
  • Minimum speaker impedance: 1 ohms
  • Master/slave switch
  • Soft turn-on circuit
  • Thermal overload and speaker's short protection
  • Power and protection LEDs
  • Input sensitivity selector
  • Strapping capability
  • 6 1/2" W x 14 5/16" L x 2 9/16" D
  • Manufactured by: Boss Audio
    Warranty provided by: Boss Audio
    Limited Warranty: 60 months parts; 60 months labor
    Mfg Part No: AR4000D
    UPC No: 791489116404
    Box Size: ( Length:18, Width:8, Depth:4)
    Shipping Weight: 9.5000 pound(s)
    Click here for full warranty and support information
  • Limited Warranty: A full text version of the limited warranty may be obtained by mailing a self addressed, stamped envelope to the address below and requesting the warranty for item number: B45-1204
    Warranty Information
    7795 W. Flagler St. Suite 35
    Miami, FL. 33144

  • Boss Audio logos are registered trademarks of Boss Audio. All others trademarks and copyrights mentioned herein are the property of their respective owners.