Excalibur X1100.1 Mono Car Audio Monoblock Power Amplifier 1000W RMS at 1 Ohm 720W 2 420W 4 Variable Low Pass Subsonic Filter Bass Boost and Phase Control for Subwoofers.

Powerful Class D Monoblock delivering 1000W RMS at 1 Ohm, 720W RMS at 2 Ohm, or 420W RMS at 4 Ohm ; engineered to drive subwoofers with massive energy and clean, heavy hitting power. Precision frequency management with adjustable Low Pass (50Hz-250Hz) and Subsonic (10Hz-50Hz) filters ; includes a 0-12dB Bass Boost for customized acoustic depth. Selectable phase switch (0 or 180 degrees) ensures perfect timing ; variable sensitivity (0.2V-6V) allows seamless integration with any factory radio or head unit. igh-fidelity performance with Signal-to-Noise ratio over 90dB and ultra-low THD under 0.2 percent ; crystal clear bass reproduction even at extreme volume levels. Professional heavy-duty chassis measuring 233mm x 184mm x 55mm with internal thermal protection ; dual 45A fuses provide electrical safety for consistent operation.