BOSS Audio Systems OX3KD Onyx Series 3000W High-Output Class D Monoblock Subwoofer Amplifier — 1-Ohm Stable, MOSFET Power Supply, Variable Low-Pass & Bass Boost

Overview: The BOSS Audio Systems OX3KD Onyx Series is a high-output monoblock subwoofer amplifier engineered for powerful low-frequency performance. Its Class D topology with MOSFET power supply reduces wasted energy and heat, enabling a compact, lightweight design while delivering strong, efficient output. The unit is 1 Ohm stable and supports strapping for increased power delivery. Power Ratings: - 3000 Watts Max x 1 @ 1-Ohm - 1500 Watts Max x 1 @ 2-Ohms - 3000 W MAX Power (1 Channel) - RMS outputs: 2250 W X 1 RMS @ 1 ohm; 1125 W X 1 RMS @ 2 ohm; 563 W X 1 RMS @ 4 ohm - Strapped/bridged: Up to 4500 W X 1 RMS Strapped Bridged Power @ 2 ohm Key Features: - Class D amplification for higher efficiency: less heat, smaller heatsink and reduced size/weight - MOSFET power supply for stable, reliable power delivery - 1 Ohm stable operation to continuously drive demanding subwoofer loads - Strapping capable: combine two OX3KD amps to increase available power and support additional subwoofers - Variable Bass Boost to tailor low-end punch to your preference - Variable Low-Pass Crossover for precise bass frequency tuning - Variable Subsonic Filter to protect drivers by removing frequencies below the subwoofer’s safe excursion range - Low level inputs and RCA pre-amp outputs for flexible system integration - Includes remote subwoofer control for convenient bass level adjustment from the cabin Physical / Warranty: - Dimensions: 12.25" x 7" x 2.3" (L x W x H) - Weight: 6.5 lbs - Warranty: 6 year Platinum Online Dealer Warranty when purchased through Amazon.com Package Includes: OX3KD monoblock amplifier with onboard controls (variable low-pass, bass boost, subsonic filter), low level inputs, RCA pre-amp outputs and a remote subwoofer control. Professional installation is recommended to ensure correct, safe operation.