Soundtube RS800i-BK Black 8" Coax Open Ceiling Speaker

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The RS800i is an 8-inch, two-way, ported speaker with an open-ceiling enclosure design that delivers extended low-end response (58 Hz) and 105-degree offaxis performance (2 to 10 kHz, independently verified). SoundTubes proprietary BroadBeam(R) waveguide tweeter system delivers consistent high-performance audio across the operating bandwidth. The RS800i speaker design incorporates a low-profile grille, a proprietary motorboard, driver protection circuitry and a six-position tap switch with a transformer bypass position. Hanging hardware is included and features a SpeedClamp(tm) self-locking cable grip for fast, easy and secure installation.


  • Patented BroadBeam(R) waveguide technology delivers a consistent dispersion pattern for maximum intelligibility and edge-to-edge coverage.
  • One 8.0 inch polypropylene woofer and one 1.0 inch convex titanium tweeter with FerroFluid cooling mounted to a proprietary cast-aluminum baffle and heat sink.
  • Weatherized components for indoor and outdoor applications.
  • Includes UL listed hanging hardware with galvanized steel cables and integrated SpeedClamp(tm) self-locking cable grip for fast, easy and secure installation. Also includes Euroblock connector and terminal weather boot.
  • Patented ZeroReflection(tm) enclosure technology for optimal sound reproduction and cabinet rigidity.
  • Easy access six-position selectable tap switch for 25-, 70.7- and 100-volt applications with transformer bypass position simplifies ordering and inventory tracking.
  • Steel grille with protective powder-coated finish for lasting durability.
  • Average sensitivity of 89.5 dB offers high-output capabilities and reduced amplification costs.
  • UL 1480 (UEAY), 2239 (hanging cable) and Milspec 810 approved.
  • High-quality black or white paint finish. Custom paint colors optional.
  • Optional accessory: AC-RS-SM8 bracket for surface-mount applications.


  • Frequency Response(-3 dB): 80 Hz - 22 kHz
  • Low Frequency(-10 dB): 58 Hz - 22 kHz
  • Sensitivity: 89.5 dB
  • Power Capacity RMS: 125 W
  • Max SPL dB @ 1 M: 110.5 dB
  • Nominal Impedance: 8 ohms
  • Tweeter: 1 in. BroadBeam(R)
  • Woofer: 8 in. Poly
  • Connections: Four-pin Euroblock
  • Height: 17.23 inches
  • Diameter: 14.82 inches
  • Weight: 20.5 lbs
  • Shipping Weight: 25.5 lbs
  • Colors: Black or white (paintable)
  • This model is BLACK

Paint mask available (AC-RS-PM8) call for information!