Dominion d108

About the Dominion d108

The JL Audio Dominion d108 powered subwoofer combines a state-of-the-art 8-inch subwoofer driver with an advanced 500-watt RMS Class D amplifier to deliver unmatched performance and value. It features JL Audio's exclusive Dynamic Motor Analysis (DMA) technology, enabling higher output levels with reduced distortion and peak-to-peak excursions exceeding 2.5 inches without audible distortion. The subwoofer is housed in a sealed acoustic suspension enclosure constructed from solid CNC-cut MDF with extensive internal bracing for durability and acoustic precision. It offers a frequency response of approximately 29-119 Hz (-3 dB), a continuously variable low-pass crossover (25-130 Hz), phase control (0-280°), polarity switch, and signal-sensing auto-on/standby modes. Inputs include RCA line-level/LFE and speaker-level, with compatibility for the JL Audio JLINK TRX wireless audio adapter for flexible placement. The subwoofer measures 10" W x 11-3/8" H x 13-15/16" D, weighs 26.4 lbs, and comes with a 3-year warranty. It is finished in black ash vinyl or gloss black (depending on model).