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The black RS4-EZ 4” Open-Ceiling Speaker from SoundTube Entertainment is a full-range, ported speaker with an open-ceiling enclosure design. It features a 4” full-range, treated fiber driver mounted to an ABS baffle. Hanging hardware is included and features a SpeedClamp self-locking wire grip for fast, easy and secure installation. The driver and electro-acoustic network deliver high-performance sound. The RS4-EZ speaker incorporates a low-profile grille and a five-position tap switch with transformer bypass position.
Designed for indoor and outdoor background to mid-level SPL applications, the RS4-EZ Speaker includes a single-point mounting system for rapid open-ceiling installations. This speaker is suitable for music and paging applications in retail, grocery stores, restaurants, hotels, casinos, museums, trade shows, and conference rooms.
Features a 4" (102 mm) full-range, treated fiber driver mounted to an ABS baffle
Weatherized components for indoor and outdoor applications
Includes hanging hardware with galvanized steel cables and integrated SpeedClamp self-locking wire grip for fast, easy, and secure installation
Includes Euroblock connector and terminal weather boot
Patented ZeroReflection enclosure technology for optimal sound reproduction and cabinet rigidity.
Easy access five-position selectable tap switch for 25, 70.7, and 100V applications with transformer bypass position simplifies ordering and inventory tracking
Steel grille with protective powder-coated finish for lasting durability
Average sensitivity of 90.0 dB
UL 2239 approved hanging cable
Black paint finish
Can be surface mounted with AC-RS-SM5 Bracket (sold separately)
In the Box
SoundTube Entertainment RS4-EZ 4" Open-Ceiling Speaker (Black)
Terminal Weather Boot
Limited 5-Year Warranty
Table of Contents
4" (102 mm) full-range, open-ceiling, ported (20 W transformer for 25/70.7/100 V or transformer bypass)
Impedance listed per IEC 60268-5
2.83 V/m and 1 W/m: 90 dB
1 W/m sensitivity determined using nominal impedance
-3 dB: 185 Hz to 13 kHz -10 dB: 98 Hz to 22 kHz
Frequency response measured in half or full space as dictated by speaker mounting configuration
Program Power: 40 W Continuous Power RMS: 20 W
Maximum program power is 3 dB above maximum continuous power Continuous power rating, EIA-426-B test
Max SPL Level
103 dB @ 3.3' (1.0 m)
Maximum output based on maximum continuous power
-6 dB @ 2 kHz: 160° -6 dB @ 10 kHz: 60° Averaged from 2 to 10 kHz: 95°
Q, 4.3 (averaged 100 Hz to 10 kHz); 3.8 (2 kHz)
DI, 4.9 dB (averaged 100 Hz to 10 kHz); 5.8 dB @ 2 kHz
Weather-proof, five-position tap switch with transformer bypass position
Low Frequency Driver
1 x 4" (102 mm) paper cone, treated cloth surround
0.8" (2.0 cm)
Injection-molded ABS, glass fiber reinforced
Steel with powder-coat finish
1 x four-pin, 5.08 mm Euroblock for individual or daisy chain connection
70.7 V Output: 20 W (103 dB), 10 W (100 dB), 5 W (97 dB), and 2.5 W (94 dB) 100 V Output: 20 W (103 dB), 10 W (100 dB), and 5 W (97 dB) 25 V Output: 2.5 W (94 dB), 1 W (91 dB), 0.63 W (88 dB), and 0.31 W (85 dB)