BOSS Audio Systems AR4000D Monoblock Amplifier - 4000 Watt Amp, Class D Car Audio Amp, 1 Ohm Stable, Mosfet Power Supply

★★★★★ 4.3 20 reviews

US$73.20
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Management number 238191241 Release Date 2026/07/11 List Price US$73.20 Model Number 238191241
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BOSS Audio Systems AR4000D Armor Series Class D Monoblock Car Amplifier - 4000 High Output, 1 Ohm Stable, Low Level Inputs, Low Pass Crossover, MOSFET, Hook Up To Subwoofer For Bass Kick your Bass into high gear with the Boss Audio Armor AR4000D Class D Monoblock Amplifier. This powerful 1-Ohm stable Amplifier features 4000 Watts Max Power with a MOSFET power supply to get your tunes rocking. Customize the sound with Variable Low Pass Crossover, Bass Boost and Subsonic Filter. Maximize the Bass with the Remote Subwoofer Control. For double the performance and power, strap on another AR4000D for a total power of 8,000 Watts @2-Ohms. The Armor Series of Amplifiers packs incredible power and performance into a feature-rich slim design for put-it-anywhere convenience. Give power to your playlists with the Boss Audio AR4000D. Class D Car Amplifier - 4000 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply Ramp up your vehicle's Bass with the BOSS Audio Systems AR4000D Class D Monoblock Amplifier. With 4000 Watts Max Power and MOSFET power supply, this Amplifier packs an audio punch. Customize the sound with Variable Low Pass Crossover, Bass Boost, Subsonic Filter and Remote Subwoofer Control. Strap this Amplifier to another AR4000D for double the performance. The Armor Series of Amplifiers packs incredible power and performance into a feature-rich slim design for put-it-anywhere convenience.

  • 4000 W MAX Power, 1 Channel3000 W X 1 RMS @ 1 ohm1500 W X 1 RMS @ 2 ohm750 W X 1 RMS @ 4 ohm6000 W X 1 RMS Strapped Bridged Power @ 2 ohm
  • Monoblock, Class D, MOSFET Power Supply
  • Low Level Inputs, RCA Pre-amp Outputs
  • Variable Low Pass Crossover, Variable Bass Boost and Variable Subsonic Filter
  • Remote Subwoofer Control
  • Power - 4000 Max x 1 @1-Ohm, 2000 Max x 1 @2-Ohms
  • Class D - Power loss is significantly reduced making the amplifier highly efficient. Excess energy is stored until it’s needed instead of being converted into heat. Reduction in size/weight, reduced power waste, smaller heat sink, compact circuitry
  • 1 Ohm Stable - Able to continuously power loads of 1 Ohm without encountering difficulties such as overheating. Typically made to power up subwoofers that demand the heavier power load requirements to be able to perform the way they were made to
  • Strapping Capable - You are able to strap two AR4000D amplifiers and double the power that is being sent to your subwoofer(s). You now have the ability to connect more subwoofers to take advantage of the extra power
  • Variable Bass Boost - Bass Boost allows you to adjust the low bass within the boost range to just the way you like it
Brand BOSS Audio Systems
Rms power rating 4000 W
Channels 1
Impedance 8 ohm
Features Compact
Peak audio power handling 4000 W
Input/output type RCA
Rec. use Car Audio
Size Class D Monoblock 4000W
Color Black
Rec location Vehicle
Audio output 4000 W
Total harmonic distortion 0.01%
Signal-to-noise ratio 100
Product line Armor Series
Items included 1 Monoblock Class D Car Audio Amplifier Amp and Remote
Accessories Remote subwoofer level control, User's manual
Inputs/Outputs Low Level Inputs, RCA Pre-amp Outputs
Input/output quantity 1
Input/output direction Output
Model AR4000D
Manufacturer BOSS Audio Systems
Vehicle type Car
Vehicle fitment type Universal
Color category Black
Dimensions 18.62 in x 4.12 in x 8.12 in
Assembled product weight 7.96 lb
Amps 333.3 Amps

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