For applications where in-ceiling mount and the ultimate in performance are a must, the MC-615 is the answer. This speaker features a 6½-inch aluminum cone woofer and a 1-inch aluminum dome tweeter for impeccable performance. The MC-615 is a fantastic whole-house audio speaker and excels as a timbre-matched rear effects channel in an MC Series home theater system. Accessories for this product may be found in the list below or check out the Accessories page for all of our speaker accessories.

For all MC Series Speakers click here.

Model Name:
System Type:
In-ceiling 2-way Speaker
Frequency Response:
50Hz-20kHz (±3dB)
88dB (2.83V @ 1 Meter)
Recommended Power:
15-120 Watts
(1) 6½" (165mm) Aluminum Cone
(1) 1" (25mm) Aluminum Dome
Swivel Tweeter(s):
Tweeter Protection:
Crossover Frequency:
3,000 Hz
Crossover Slope:
8 Ohms
White Frame (Paintable)
White Aluminum (Paintable)
Cutout Dimensions:
7-3/4" (197mm) Dia.
Finished Dimensions:
9-1/8" Dia. x 4-3/8"D (232mm Dia. x 111mm D)
3.85 lbs. (1.75 kg)
25 Years
Rear Enclosure:
Blank Can:
BC-6R or BC-6Rs
Blank Plate:
Construction Bracket:
MC-615 Frequency Response Graph
  • Aluminum cone woofers providing a non-compressing piston area for the unparalleled bass response.
  • Aluminum dome tweeters have excellent dispersion off-axis for room-filling high frequency accuracy.
  • Swivel neodymium tweeters that can be angled up to 30 degrees off axis to provide accurate imaging anywhere in the room.
  • Accoustic lens dispering the high frequency energy, improving the off-axis response of the dome tweeters.
  • Computer optimized crossover networks.
  • Mylar capacitors minimize distortion and produce uncolored high frequency response.
  • Protection devices integrated into the crossover circuitry is self resetting and helps ensure safe operation of the speaker.
  • Paintable grilles, if you desire to completely conceal your in-ceiling speakers.
  • Installation template.

In-ceiling User's Manual
Technical Specifications Sheet
MC Series Brochure

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Speaker Combinations

Each RBH Sound speaker series can be mixed and combined within the like series, creating a vast selection of options to create a unique home theater experience.

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