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SoundTube Entertainment CM42-EZs-II 4" Coaxial In-Ceiling Shallow Backcan Speaker (White)

SoundTube Entertainment
SoundTube Entertainment CM42-EZs-II 4" Coaxial In-Ceiling Shallow Backcan Speaker (White)
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Expected availability: 3-7 business days

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SoundTube Entertainment CM42-EZS-II Overview

The white CM42-EZs-II 4" Coaxial In-Ceiling Shallow Backcan Speaker from SoundTube Entertainment consists of a 4" woofer and a 0.75" silk dome tweeter. This 20 watt speaker is designed for applications with limited plenum space, and incorporates a SoundTube-specific shallow backcan with a 3.5" installed depth. The in-ceiling speaker includes a six-position tap switch with a transformer bypass position. A tile bridge and mounting hardware are included and it features a fast and secure constant tension Speed Wing mounting system.

The CM42-EZs-II speaker is designed to fit most industrial or commercial suspended ceilings, and features a slim profile on surface mount.

One 4" woofer with cloth surround, and one 0.75" silk dome tweeter.
6-position tap switch for 25/70.0/100V and 16Ω transformer bypass position to allow easy ordering, stocking, and installation.
Voice Intelligibility with an average coverage angle of 100°.
16Ω Settings allow for use of 2, 4, or 6 speakers in a system using a standard amplifier without a transformer.
Incorporates a painted steel grille for increased durability.
UL 1480 (UEAY) and 2043, CE (EMC Directive 89/366/EEC, EN55020, EN55013) approved.

SoundTube Entertainment CM42-EZS-II Specs

System Type4" coaxial, in-ceiling, sealed
ImpedanceNominal: 16 Ω
Sensitivity84.5 dB (dB @ 2.83 V/1 m)
87.5 dB (dB @ 1 W/1 m) at nominal impedance
Frequency Response160 Hz to 20 kHz (-3 dB)
125 Hz to 22 kHz (-10 dB)
Maximum PowerProgram: 40 W at 3 dB above max continuous power
Continuous RMS: 20 W
SPL: 100.5 dB @ 3.3' (1 m)
Transformer25/70.7/100 V
Coverage Angle170° (-6 dB @ 2 kHz)
95° (-6 dB @ 10 kHz)
100° (averaged from 2 to 10 kHz)
Directivity Factor4.3 (averaged 100 Hz - 10 kHz), 4.2 (2 kHz)
Directivity Index5.7 (averaged 100 Hz - 10 kHz), 6.2 (2 kHz)
Tap Selector6-position rotary switch or transformer bypass position
TransducerLow Frequency Driver: 4" (102 mm) treated fiber cone, cloth surround
High Frequency Driver: 0.75" (19 mm) silk dome tweeter
Voice CoilLow Frequency: 0.5" (12.7 mm)
Crossover Frequency5 kHz
Network TypeLow Pass: 12 dB/octave, 2nd order
High Pass: 6 dB/octave, 1st order
Enclosure MaterialABS baffle, steel backcan, sealed
GrillePainted steel
Certifications & ApprovalsUL 1480 (UEAY) and 2043, CE and RoHS approved
Input1 x 4-position ceramic terminal strip
DimensionsBackcan Diameter: 5.78" (146.8 mm)
Backcan Height: 3.75" (95.3 mm)
Visible Diameter: 7.5" (190.5 mm)
Visible Height: 0.33" (8.4 mm)
Mounting Hole Diameter: 6.5" (165 mm)
Max Ceiling Thickness: 0.97" (24.6 mm)
Weight4 lb (1.8 kg)
Packaging Info
Package Weight5 lb
Box Dimensions (LxWxH)8 x 8 x 5"
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