The amplifier features 1 Ohm of minimum speaker impedance and the variable bass boosts function allows you to adjust the center frequency, changing the character of the bass in dB increments. The sub-sonic filter with a frequency of 15-40 Hz cuts sub-bass range signals that are caused by voltage fluctuations for better performance. The BB2500.1 amplifier has a continuously variable low pass crossover that can be freely adjusted to any frequency between the listed end points. This big bang 3 series amplifier features a phase selector switch to help compensate for time delays in subwoofer applications. Plus, the power amplifier has a datalink cable for strapping together two amplifiers for twice the power. Big Bang³ Series Class D Monoblock Power Amplifier, Remote Subwoofer Control, 2500 Watts Max Power, One OHM Stable, Switchable Phase Shift (0-180 ), Variable Bass Boost (0 to 18dB), Continuously Variable Low Pass Crossover, Variable Subsonic Filter (15-55Hz), Low Level Inputs, Heavy Duty Set-Screw Style Terminals, Illuminated Logo, Strapping Capability: Strap Two Amps Together for 2x Power, Technical Specs: Max Power (1 OHM): 2500W x 1, RMS Power (1 OHM): 1900W x 1, RMS Power (2 OHMS): 1100W x 1, RMS Power (4 OHMS): 700W x 1, Signal-to-Noise Ratio: 100dB, Frequency Response: 20-250Hz, Dimensions: 2-7/16"" H x 6-15/16"" W x 11-7/16"" L, BB2500.1 Features: Monoblock Audio Amplifier, MOSFET Power Supply, Class D Operation, Remote Subwoofer Level Control, Power & Protection LEDs, Continuously Variable Low Pass Crossover, Input Sensitivity Selector, Soft Turn-On Circuit, Low Level Inputs & Outputs, 1 Ohm Stable, Strapping Capability, Switchable Phase Shift: 0 -180°, Subsonic Filter (15-40 Hz), Max Power (1 Ohm): 2500W x 1, RMS Power (4 Ohms): 600W x 1, Variable Bass Boost (0 -18dB), Frequency Response: 20 to 250 Hz, Signal-to-Noise Ratio (SNR): 100dB"
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