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The black RS-EZ Series RS42-EZ 4” Coaxial Speaker Open-Ceiling Hanging Speaker from SoundTube Entertainment is designed for open-ceiling applications and features a 4" coaxial driver with BroadBeam Ring technology for consistently smooth high-frequency directivity. It incorporates a 4-position ceramic terminal block input connector and a 6-position tap switch with transformer bypass position. This speaker comes with hanging hardware that includes galvanized steel cables and a built-in hanging bracket for fast, easy, and secure installation. The unit may be mounted direct-to-conduit via the included screw-on locking cover plate (included).
The speaker enclosure is constructed of injection-molded ABS with glass fiber reinforcement for durability in indoor or outdoor applications. It also features an aluminum grille with protective powder-coated finish. The speaker offers an impedance of up to 16Ω for easy daisy chaining in low voltage systems. The ceramic input terminal accepts up to 10-gauge plenum-rated signal wire and includes a thermal fuse. The RS42-EZ speaker includes hanging cables and a built-in mounting plate for suspending it; a threaded opening on top of its cover plate allows for direct-to-conduit mounting. This speaker is suitable for use in voice alarm applications subject to EU EN60849 and BS5839-8 regulations. It is suitable for installation in retail, grocery stores, restaurants, hotels, casinos, museums, trade shows, and conference rooms.
Features a 4" (102mm) coaxial driver with BroadBeam Ring technology for consistently smooth high-frequency directivity
Weatherized components for indoor and outdoor applications
Includes hanging hardware with galvanized steel cables and hanging bracket for fast, easy, and secure installation
Unit may be hung using the included mounting hardware or mounted direct-to-conduit via locking cover plate (included)
Enclosure constructed of injection molded ABS with glass fi¬ber reinforcement for durability
16Ω impedance for easy daisy chaining in low voltage systems
Aluminum grille with protective powder-coated ¬finish
Built-in thermal fuse
UL 1480 UEAY planned, UL 2239 approved
In the Box
SoundTube Entertainment RS-EZ Series RS42-EZ 4" Coaxial Speaker Open-Ceiling Hanging Speaker (Black)
Limited 5-Year Warranty
Table of Contents
4" (102 mm), coaxial, open-ceiling, ported 20 W transformer for 25/70.7/100 V or transformer bypass applications
Nominal: 16 Ω
Impedance listed per IEC 60268-5
84 dB @ 2.83 V/1 m 87 dB @ 1 W/1 m
1 W/ 1 m sensitivity determined using nominal impedance
140 Hz to 20 kHz @ -3 dB 100 Hz to 22 kHz @ -10 dB
Frequency response measured in half or full space as dictated by speaker mounting configuration.
Max. Program Power
Maximum program power is 3 dB above maximum continuous power
Max. Continuous Power RMS
Continuous power rating, EIA-426-B test
Max. Power SPL
100 dB @ 1 m
Maximum output based on maximum continuous power
Six-position rotary switch with transformer bypass
Output at 70.7 V: 100 dB @ 20 W 97 dB @ 10 W 94 dB @ 5 W 91 dB @ 2.5 W 88 dB @ 1.3 W
Output at 100 V: 100 dB @ 20 W 97 dB @ 10 W 94 dB @ 5 W 91 dB @ 2.5 W
Output at 25 V: 91 dB @ 2.5 W 88 dB @ 1 W 85 dB @ 0.63 W 82 dB @ 0.31 W
Low-Frequency Driver: 4" (102 mm) polypropylene cone, butyl rubber surround High-Frequency Driver: 3/4" (19 mm) Silk dome with Beam Ring
Low-Frequency: 1" (25 mm)
Low Pass: 12 dB per octave, 2nd order High Pass: 6 dB per octave, 1st order