SoundTube CM52s-BGM 
5.25" Coaxial In-Ceiling Background Music Shallow BackCan Speaker

CM-BGM Series Background Music In-Ceiling Speakers are designed for drop-tile and sheetrock mounting applications. CM-BGM series products offer SoundTube's legendary sound quality and fast install features in a low-cost speaker intended for background musi and paging applications. Speakers come with tile bridge and paint mask. A pre-construction bracket and junction box are optional. All models are available in black or white. Custom colors available.

• Engineered for applications with limited plenum space incorporating a SoundTube-specific shallow backcan with an installed depth of 3.5 inches.
• One 5.25 inch (134 mm) polypropylene woofer with rubber surround and one 0.75 inch (19 mm) silk dome tweeter.
• BeamRing™ technology for mid-range clarity and smooth off axis performance
• Easy-access six-position tap switch for 25/70.7/100-volt and transformer bypass settings allows for easy ordering stocking and installation.
• Tuned port on baffle for added musicality and bass response down to 65 Hz (-10 dB).
• Reduced amplification costs and maximum efficiency of 84.5 dB sensitivity 16 ohm impedance.
• Incorporates a painted steel grille for lasting durability.
• Adaptable to material thicknesses ranging from 0.035 inch (0.9 mm) to 1.6 inch (40.6 mm).
• UL 1480 and 2043 approval pending.
• High-quality black or white painted finish. Custom colors available.
• Included accessories: Color-coded (orange) tile bridge UL listed 0.5 inch conduit clamp paint shield.
• Optional accessories: Color-coded (orange) pre-construction bracket (AC-CM6/8-PCB).

Specifications

• Frequency Response(-3 dB): 90 Hz - 20 kHz
• Low Frequency(-10 dB): 65 Hz - 22 kHz
• Sensitivity: 87.5 dB
• Power Capacity RMS: 20 W
• Max SPL dB @ 1 M: 100.5 dB
• Nominal Impedance: 16 ohm
• Tweeter: 0.75 in. Silk
• Woofer: 5.25 in. Poly
• Connections: Four position ceramic terminal strip
• Visible Height: 0.33 inches
• Visible Diameter: 11.75 inches
• Backcan Height: 3.75 inches
• Backcan Width: 9.67 inches
• Weight: 8.0 lbs
• Shipping Weight: 9.0 lbs
• Colors: Black or white