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SoundTube RS500i


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Product Overview

RSi Series – 5.25" Coaxial Open-Ceiling Speaker

SoundTube’s RSi series incorporates BroadBeam® full-frequency dispersion technology, cost-saving innovations and design-forward styling to address the unique challenges of open-ceiling speaker installations. Surface-mount brackets are available as an option for RS600i, RS800i and RS1001i-II-T models.

Available in black or white.


  • Aerobic Rooms
  • Arenas
  • Bars
  • Casinos
  • Conference Rooms
  • Fitness Centers
  • Hotels
  • Mutli-Purpose Rooms
  • Restaurants
  • Sports Bars
  • Trade Shows
  • Airports
  • Ballrooms
  • Big Box Stores
  • Churches
  • Convention Centers
  • Grocery Stores
  • Museums
  • Nightclubs
  • Retail
  • Theme Parks


  • Patented BroadBeam® waveguide technology delivers a consistent dispersion pattern up to 10 kHz for maximum coverage area per speaker
  • One 5.25 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 cables and integrated SpeedClamp™ self-locking wire grip for fast, easy and secure installation. Also includes Euro-block connector and terminal weather boot
  • Patented ZeroReflection™ 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 a transformer bypass position simplifies ordering and inventory tracking
  • Plated steel grille with protective powder-coated finish for lasting durability
  • Average senitivity 86.5 dB offers high-output capabilities and reduced amplification costs
  • UL 1480 (UEAY), CE and Milspec 810 approved
  • High-quality black or white paint finish. Custom paint colors optional
  • Optional accessory: AC-RS-SM5 surface mount bracket


  • Frequency Response(-3 dB): 87 Hz - 22 kHz
  • Low Frequency(-10 dB): 61 Hz - 22 kHz
  • Sensitivity: 86.5 dB
  • Power Capacity RMS: 75 watts
  • Max SPL dB @ 1 M: 105.5 dB
  • Nominal Impedance: 8 ohm
  • Tweeter: 1 in. BroadBeam®
  • Woofer: 5.25 in. Poly
  • Connections: Four-pin Euroblock
  • Height: 298.2 mm (11.74 in)
  • Diameter: 245.9 mm (9.68 in.)
  • Weight: 4.3 kg (9.5 lbs)
  • Shipping Weight: 10 kg (22.0 lbs) two per box
  • Colours: Black or white (paintable)

Product Downloads

  • RS500i data sheet PDF 0.5 MB
  • RS500i user manual PDF 0.1 MB


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*Prices are in AUD, include GST and are subject to change. Please call National Audio for pricing and availability on the RS500i.