The Earthquake newly redesigned RCS Reference Ceiling Speakers maintain their balance of high quality audio and affordability while giving the added bonus of high end visual aesthetics. The new affordable Edgeless design gives a sleek, high end, discrete look while maintaining Earthquake Sound’s innovative technology that is unmatched in today’s market.

Featuring polypropylene woofer cones for durability and low distortion, each speaker comes equipped with swiveling tweeters that can be aimed at the direction of the listener for better sound staging.

The new edgeless design, paired with the paintable, magnetically attached grilles allow customization to seamlessly blend your speakers in with any décor.

  • Edgeless design for seamless blend
  • Polypropylene cone woofer
  • Dual swiveling silk dome neodymium tweeters
  • Bumped back basket for high speaker excursion
  • Wider surround for deeper bass and higher speaker excursion
  • 12dB/Octave filter network crossover
  • Thermal tweeter protection
  • Custom compact spring loaded terminals
  • Easy to use Turn ‘N’ Lock installation mechanism
  • Paintable rust-resistant grille
  • Rough-in ready with the RK-C6
  • Round and square grilles available
  • Available in 6.5″, 8″, and 8″ dual VC models


Woofer Size165mm (6.5″)
Tweeter25mm (Dual 1″)
Power Handling160W MAX
Frequency Response45Hz–20kHz
Sensitivity93dB @1W/1M
Nominal Impedance8 Ohm
Crossover12dB/octave filter network
Voice CoilDual
Grille FinishWhite/Paintable
Frame Diameter223.5mm (8.79″)
Grille Diameter228mm (9″)
Cut-out Hole Diameter200mm (7-7/8″)
Mounting Depth101mm (4″)
Magnet Diameter81mm (3.18″ )
Weight1.14kg (2.5 lbs)