The black 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
4" coaxial, in-ceiling, sealed
Nominal: 16 Ω
84.5 dB (dB @ 2.83 V/1 m) 87.5 dB (dB @ 1 W/1 m) at nominal impedance
160 Hz to 20 kHz (-3 dB) 125 Hz to 22 kHz (-10 dB)
Program: 40 W at 3 dB above max continuous power Continuous RMS: 20 W SPL: 100.5 dB @ 3.3' (1 m)
170° (-6 dB @ 2 kHz) 95° (-6 dB @ 10 kHz) 100° (averaged from 2 to 10 kHz)
4.3 (averaged 100 Hz - 10 kHz), 4.2 (2 kHz)
5.7 (averaged 100 Hz - 10 kHz), 6.2 (2 kHz)
6-position rotary switch or transformer bypass position
Low Frequency Driver: 4" (102 mm) treated fiber cone, cloth surround High Frequency Driver: 0.75" (19 mm) silk dome tweeter
Low Frequency: 0.5" (12.7 mm)
Low Pass: 12 dB/octave, 2nd order High Pass: 6 dB/octave, 1st order