





🎵 Power your bass like a boss — feel the difference, own the drive!
The BOSS Audio AR4000D is a high-output Class D monoblock amplifier delivering up to 4000 watts at 1-Ohm with MOSFET power supply technology. Engineered for efficiency and compactness, it features variable bass controls and is strap-capable to double power output, making it the ultimate choice for millennial audiophiles craving deep, customizable bass and sleek installation.










| Power Source | MOSFET Power Supply |
| Output Channel Quantity | 1 |
| Amplifier Type | Class D |
| Connector Type | RCA |
| Number of Bands | 1 |
| Speaker Size | 14.3 Inches |
| Compatible Devices | Car audio systems |
| Output Wattage | 4000 Watts |
| Item Weight | 8 Pounds |
| Item Dimensions D x W x H | 14.3"D x 6.5"W x 2.8"H |
| Material Type | Metal |
| Color | Black |
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