Boss BE4000D

Features:

• Boss Elite BE4000D
• Class-D 1 ohm Stable Monoblock Amplifier
• RMS Power Rating:
• 4 ohms: 750 watts x 1 chan.
• 2 ohms: 1500 watts x 1 chan.
• 1 ohm: 3000 watts x 1 chan.
• Strapped: 2 ohms: 6000 watts x 1 chan.
• Total power output: 4000 watts
• Pulse Width Modulated MOSFET power supply
• Wired remote bass level control included
• LED power (green) and protect (red) indicators
• Soft start turn-on
• Mono channel operation
• Preamp RCA outputs to daisy chain multiple amps
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Heavy duty aluminum alloy heat-sink
• Frequency Response: 15 - 250 Hz
• Total Harmonic Distortion (THD): .01%
• Signal to Noise Ratio: 100 dB
• Variable low-pass filter: 50 - 250 Hz
• Subsonic filter: 15 - 40 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Fuse Rating: 40A x 3

Specifications:

Power Specifications - Subwoofer Channel:

• RMS Power @ 4 ohms: 750 watts x 1 channels
• RMS Power @ 2 ohms: 1500 watts x 1 channels
• RMS Power @ 1 ohm: 3000 watts x 1 channels

Power Specifications - Subwoofer Channel:

• Peak Power @ 4 ohm: 1500 watts x 1 channels
• Peak Power @ 2 ohms: 1000 watts x 1 channels
• Peak Power @ 1 ohm: 4000 watts x 1 channels

Amplifier Specifications:

• Amplifier Series: Elite
• Amplifier Class: D
• Number of Channels: 1 - Mono
• Total Peak Power Output: 4000 watts
• Total RMS Power Output: 3000 watts
• Maximum Input Gauge Size: 4 AWG
• Minimum Impedance Unbridged: 1 ohms
• THD at Rated RMS Power: .01%
• Speaker Level Inputs: No
• Preamp Outputs: 1 pair
• Built-in Crossover: Low-Pass (LP), Subsonic
• Low-Pass Crossover Frequency: 50 - 250 Hz
• Subsonic Filter: 15 - 40 Hz
• Signal-to-Noise Ratio: 100 dB
• Bass Boost: 0 - 18 dB
• Bass/Gain Remote: Yes
• Fuse Rating: 40A x 3 
• Total Fuse Rating: 120
• Strappable: Yes