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RetroSound® SUB8100 8-inch Amplified Subwoofer
RetroSound® SUB8100 8-inch Amplified Subwoofer
Amplified Subwoofer System-RetroSound
Amplified Subwoofer System-RetroSound
Amplified Subwoofer System-RetroSound
RetroSound® SUB8100 8-inch Amplified Subwoofer
Part Number: SUB8100-AK-8
  • In stock, ready to ship
  • Inventory on the way

Product Features

  • 8-inch powered subwoofer system
  • Built-in 100 watt Class D digital amplifier
  • Remote gain control
  • Built-in continuously variable crossover
  • Speaker level and RCA low-level inputs
  • Rugged cast enclosure
Regular price $ 219.99
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Compact, powerful, and discrete, the RetroSound® SUB8100 is the ideal solution to fill in the lower frequencies missing from your classic rides stereo system. The SUB8100 has a built-in Class D digital amplifier powering an ultra-thin 8” subwoofer in a rugged aluminum enclosure. With a low profile of 2.75 inches and a footprint of just 9.25 inches x 13.75 inches, the SUB8100 is perfect for trucks and other classic vehicles with no space for an amplifier and subwoofer set up. The continuous low-pass crossover and phase switch let you dial in the perfect amount of bass for your system, with remote gain control that allows for level adjustments on the road.


  • 8-inch powered subwoofer
  • Class D digital circuitry
  • 100-watts RMS
  • Built-in continuously variable crossover
  • Remote gain control
  • Advanced circuitry and thermal protection
  • Easily connects to your RetroSound radio via RCA inputs
  • Works with any aftermarket radio via high level input/wiring harness
  • Rugged cast aluminum enclosure
  • Dimensions: 9.25 in x 2.75 in x 13.75 in (23.5 cm x 7 cm x 35 cm)

    Note: Please refer to product packaging for the most up to date country of origin.

    For more information, see the user's manual, or browse our support page.

    Power Usage

    Voltage 10.5-16 volts DC
    Idling Current (ON) 0.4 amps
    Idling Current (OFF) <0.002 mA
    Output Power @ 14.4 volts 100 Watts RMS
    Signal to Noise Ratio >100dB
    Input Sensitivity 100 mV-6V
    Frequency Response 35Hz-160Hz
    Total Harmonic Distortion 0.1%


    Low Pass Filter/Slope 50Hz-100Hz/12dB/octave
    Phase Control (variable) 0º/180º

    Other Specifications

    Fuse 10 amps x 1
    Size (W x H x L) 9 ¼ ” x 2 ¾” x 13 ¾” / 350mm x 70mm x 235mm
    Weight 9lbs / 4.08Kg
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