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Powered Subwoofer with 8-inch Subwoofer, 500 watts

Born from JL Audio’s vast collection of advanced technologies, Dominion® powered subwoofers combine a state-of-the-art Subwoofer and an advanced Class D amplifier to deliver unmatched performance and value for a wide variety of compact applications.


Purpose-built to reproduce powerful low-frequency events with stunning impact and precision, the Dominion® driver employs JL Audio’s exclusive DMA (Dynamic Motor Analysis) technology to produce higher output levels with reduced distortion, as well as improved dynamic tracking and resolution. As a result, Dominion® subwoofers are capable of peak-to-peak excursions well in excess of 2.5-inches (63 mm - d108), and 2.7 inches (68 mm – d110), without distress or audible distortion.


Dominion® amplifiers utilize an advanced Class D design in order to extract the most from the long-excursion driver platform. This design features a tightly regulated switching power supply, allowing the amplifier to generate prodigious amounts of unclipped output voltages. These technologies ensure that the Dominion® powered subwoofers remain in their comfort zone, which is well beyond the point where most small subwoofers run out of power or driver capability.


With a host of signal processing features included, Dominion® powered subwoofers can be integrated into most systems with ease. Low-pass signals are precisely guided, thanks to the onboard crossover’s 24 dB/octave Linkwitz-Riley alignment. Phase and polarity controls are onboard to aid in achieving the optimal acoustic transition between the subwoofer(s) and main speakers. Flexible input options are on-hand to accept either line-level or speaker-level signals. Connect a JLINK™ TRX system (sold separately) to the onboard Wireless Link port and enjoy the freedom to position your Dominion® almost anywhere, up to 100 feet (30 meters) away from your source unit.


To contain the immense pressures created by the Dominion® driver, each beautiful cabinet is carefully engineered and constructed using solid, CNC-cut, MDF material with extensive internal bracing and advanced assembly techniques. All Dominion® powered subwoofers are built with pride and precision in JL Audio’s U.S. factory to deliver years of listening enjoyment.


Finish: Gloss Black

Grille Finish: Black Fabric

Enclosure Construction: MDF

Made in USA

Dominion d108

  • Specs Dominion d108
    Woofer 8-inch
    Enclosure Type: Sealed
    Enclosure Finish: Gloss Black
    Frequency Response (Anechoic): 31 - 112 Hz (±1.5dB)
      -3 dB at 29 Hz / 119 Hz
      -10 dB at 21 Hz / 143 Hz
    Effective Piston Area (Sd): 32.18 sq in / 0.0208 sq m
    Effective Displacement: 80 cu in / 1.3 L
    Amplifier Power: 500 W RMS short-term
    Power Mode: Automatic (Signal-Sensing)
    Light Modes: N/A
    Unbalanced Inputs: Stereo or Mono (two RCA jacks)
    Balanced Inputs: N/A
    Speaker/High-Level Inputs: Stereo or Mono (removeable plug)
    Output to Slave: N/A
    Calibration Mode: N/A
    Width (W): 10 in / 254 mm
    Height (H): 11.37 in / 289 mm
    Depth (D): 13.23 in / 336 mm
    Net Weight: 26.4 lb / 12 kg


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