One 3 inch (76.2 mm) full-range high-extrusion, high-fidelity polypropylene driver with butyl rubber surround. Weatherized components for indoor/outdoor applications. Shallow 3.5 inch (88.9 mm) deep all-steel backcan with integrated driver and baffle configuration. Ultra-compact design with a total visible footprint of less than 6.3 inch (160.6 mm)diameter. Rapid installation, blind-mount, fixed-wing mounting mechanism with constant tension design affixing to wall thicknesses ranging from 0.1 in. (2.5 mm) to 1.5 in. (38.1 mm). Corrosion-resistant, powder-coated aluminum grille with snap fit attachment. Ceramic input terminal accepts up to 10 gauge plenum rated signal wire and includes thermal fuse. Suitable for use in voice alarm applications subject to EU regulations EN60849 and BS5839-8. UL 1480 (UEAY) and 2043 approved. Included accessories: Tile bridge.

Specifications: CM31-EZMounting hardware included
Nominal Impedance8 ohm
Impedance (min)8 ohm
Sensitivity dB @ 2.83V/1M85.0dB
Sensitivity dB @ 1W/1M (2)85.0dB
Frequency Response (± 3 dB)190 Hz - 14 kHz
Frequency Response (±10 dB)115 Hz - 22 kHz
Max. Program Power40W
Max. Continuous Power RMS20W
Max. Power SPL @ 1 M98.0dB
Tap Selector6 Position rotary switch with transformer bypass
70.7 Volt Transformer Taps10w / 95.0dB
100 Volt Transformer Taps (dB)10w / 95.0dB
25 Volt Transformer Taps (dB)1.3w / 86.0dB
Transformer Options25 / 70.7 / 100 Volt 8 Ohm Direct
Transducer - Full-Range Driver3" Polypropylene Driver with Butyl Rubber Surround
Coverage Angle (-6 dB @ 2 kHz)175
ColorsBlack / White / Custom
Connections4 position ceramic terminal strip
Driver - part3″ Polypropylene
InputsWire leads
Backcan Diameter139.7 mm / 5.5 in
Backcan Height88.9 mm / 3.5 in
Visible Diameter160 mm / 6.3 in
Visible Height15.2 mm / 0.6 in
Mounting Hole Diameter139.7 mm / 5.5 in
Weight1.4 kg / 3.1 lbs
Shipping Weight1.8 kg / 4 lbs
Accessories OptionalPre-Construction Bracket (AC-CM3-PCB), 10-inch powered subwoofer (SM1001p), AC-CM3-PCB
Packaging1 per box
Regulatory - ULApproved UL1480 & UL2043
Regulatory - CEApproved
Regulatory - RoHSapproved
Regulatory - IPnot planned
Regulatory - CCCapproved