ProSub 800

High-Output Compact Powered Subwoofer

  • Massive bass reproduction from an 8" high excursion woofer pressure-coupled to an 8" low bass radiator
  • Soul-shaking bass comes to life with 300 watts RMS
  • Perfect resolution comes from the patented digitally-coupled Infinite Power Source amplifiers
  • Stunning reproduction of demanding materials is a result of built-in MOSFET output devices

Bass You Can Cut With a Knife

Your ears won't believe themselves when you experience the Definitive Technology ProSub 800. With patented digitally-coupled Infinite Power Source amplifiers and discrete MOSFET output devices, high definition resolution reaches perfection. The ProSub 800 features a high excursion 8" front-mounted direct-radiating woofer pressure-coupled to an 8" low bass radiator, creating a 27% greater radiating area and delivering a level of impact few have ever experienced.

  • Tech Specs
  • Support
Technical Specifications


  • Total Pieces
  • Availability
  • Driver Complement
    • (1)  8" (20.32 cm) d (Round) - Subwoofer
    • (1)  8" (20.32 cm) d (Round) - Bass Radiator
  • Height
    12.88" (32.72 cm)
  • Width
    10.31" (26.19 cm)
  • Depth
    15.75" (40.01 cm)


  • Total Frequency Response
    20 Hz → 150 Hz

Key Features

Infinite Power Source

Proprietary digitally-coupled Infinite Power Source amplifiers with high-current, direct-coupled power supplies and discrete MOSFET output devices bring perfect high definition resolution to life.

Highest Quality Components

Province-of-the-art construction quality and premium components, like mil-spec glass epoxy circuit boards and precision resistors and capacitors, deliver deep bass impact.

OMG is in the Details

A high-definition driver precisely engineered for superior transient response produces rock-solid, low distortion bass reaching down to the lowest subsonic frequencies.

Solid Monocoque

Monocoque cabinets built with a unitized, permanently joined construction are specifically designed for totally inert, vibration-free performance.

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