The Boss AR4000D Armor 4000W Monoblock Class D Car Audio Amplifier can supply 4000 Watts of MAX power. It features Class D and Digital Technology, 1 output channel, a soft turn-on circuit, a master/slave switch, thermal overload and speaker's short protection, power and protection LEDs, 2 RAC line outputs, an input sensitivity selector, and a remote bass level control.

The Boss AR4000D Armor 4000W Monoblock Class D Car Audio Amplifier has the juice to provide your system with amazing power.

• Max Power: 4000 Watts x 1 Channel; RMS Power: 3000 Watt x 1 Channel @ 1 Ohm, 1500 Watt x 1 Channel @ 2 Ohm, 750 Watt x 1 Channel @ 4 Ohm
• Monoblock, Class D, MOSFET Power Supply, 1 Ohm stable Amplifier
• Features Thermal Overload & Speaker's Short Protection; Remote Subwoofer Level Control; Soft Turn-On Circuit; Master/Slave Switch; Power & Protection LEDs; Strapping capability
• Low Level Inputs, RCA Pre-amp Outputs; Input Sensitivity Selector; Number of Output Channels: 1; Number of RCA Line Output: 2; Variable Low Pass Crossover: 50 to 150 Hz
• Frequency Response: 15 to 150 Hz
• Total Harmonic Distortion (THD) @ RMS Output: 0.01%
• Signal-to-Noise Ratio (SNR): 105 dB
• Minimum Speaker Impedance: 1 Ohms
• Dimensions (L x W x H): 14.31 x 6.5 x 2.56 inches
• Technology: Digital
• Part Number: AR4000D
• Warranty – 6 Year Authorized Platinum Online Dealer Warranty
• 1 year factory plus 5 years extended from Boss Audio when purchased from VMInnovations