The Blam LSP 25 is a 10-inch active underseat subwoofer in a slim low-profile enclosure with a built-in Class AB amplifier rated at 130W RMS engineered for deep controlled bass in tight spaces. It includes RCA and high-level speaker inputs for seamless integration with factory or aftermarket systems, adjustable gain, low-pass filter, phase and bass boost controls, and a rugged aluminium chassis; professional installation is recommended for correct wiring and acoustic placement.