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Specifications: RS4-EZ
System Type
Frequency Response (- 3 dB)
1
Low Frequency (-10 dB)
1
Max. Program Power
Max. Continuous Power
2
Max. SPL dB @ 1 M
Sensitivity dB @ 1W/1M
3
Impedance (nominal)
Tap Selector / Inputs
Coverage Angle (-6 dB @ 2 kHz)
Directivity Factor (Q)
Directivity Index (DI)
Transformer Taps
Transducer
Low-Frequency Driver
Enclosure Material
Grille
Inputs
Color Options
Diameter
Total Height
Weight
Shipping Weight
Accessories
Included
Optional
Packaging
4” Full-range, open-ceiling, ported (20 Watt transformer
for 25/70.7/100 Volt or voice coil/8Ohm applications)
94 Hz - 13 kHz
69 Hz - 22 kHz
40 Watts
20 Watts
104.5 dB
91.5 dB
(average over published frequency response range, 2.83V)
8 Ohm (nominal)
5-Position rotary switch with voice coil direct (8 Ohm)
160º
6.66 (Averaged 100 Hz - 10 kHz); 3.52 @ 2 kHz
6.80 dB (Averaged 100 Hz - 10 kHz); 5.47 dB @ 2 kHz
1 x 101 mm (4.0 in) Extended-range paper cone,
treated cloth surround
Injection molded ABS, glass fiber reinforced
Iridite-plated, steel with powder-coat finish
4 Pin, 5 mm Euroblock for individual or daisy chain connection
Black or white
197 mm / 7.7 in
224 mm / 8.8 in
1.8 KG / 3.9 lbs
3.1 hG / 6.8 lbs
Hanging hardware, Euroblock connector & terminal weather boot
N/A
1 Per box
© 2006 SoundTube Entertainment, Inc. All rights reserved. PN TS-CM600 REV 3.03.06
Key Features
• One 101 mm (4 in) full-range, treated
fiber driver mounted to an ABS baffle.
• Weatherized components for indoor &
outdoor applications.
• Includes hanging hardware with aircraft
cables and integrated SpeedClamp
™
self-locking wire grip for fast, easy &
secure installation. Also includes Eurob
-
lock connector & terminal weather boot.
• Patented ZeroReflection
™
enclosure tech-
nology for optimal sound reproduction
& cabinet rigidity.
• Easy access 5-position selectable tap
switch for 25, 70.7 and 100 Volt applica
-
tions with voice coil/8 Ohm direct sim
-
plifies ordering & inventory tracking.
• Iridite-plated steel grille with protective
powder-coated finish for lasting durability.
• 91.5 dB average sensitivity offers high-
output capabilities & reduced amplifica
-
tion costs.
• High-quality black or white paint finish.
Description
The RS4-EZ is a 4.0” extended-range
ported speaker with an open-ceiling
enclosure design. Hanging hardware is
included and features SpeedClamp™
self-locking wire grip for fast, easy and
secure installation. SoundTube’s custom-
engineered driver and electro-acoustic
network delivers high-performance sound
in a cost-effective speaker design. The
RS4-EZ speaker incorporates a low-profile
grille and a 5-position tap switch with
voice coil/8 Ohm direct.
Applications
Designed for indoor and outdoor back-
ground to mid-level SPL applications, the
RS4-EZ includes a single-point mounting
system for rapid open-ceiling installations.
Cost-effective engineering with high-per
-
formance sound makes the RS4-EZ speaker
ideal for music & paging applications in
retail, grocery stores, restaurants, hotels,
casinos, museums, trade shows and confer
-
ence rooms. For applications where addi
-
tional bass is required, SoundTube’s RS801i
8” subwoofer provides bass down to 40 Hz.
RS4-EZ
Open-Celling Speaker
Technical Information for System Engineers
70.7 V Output 100 V Output 25 V Output
20 W 104.5 dB 20 W 104.5 dB 2.5 W 95.5 dB
10 W 101.5 dB 10 W 101.5 dB 1.25 W 92.5 dB
5 W 98.5 dB 5 W 98.5 dB 0.63 W 89.5 dB
2.5 W 95.5 dB 0.31 W 86.5 dB
1
Frequency response is measured in full space and includes a low-frequency peak > + 3 dB.
2
Continuous power rating, EIA-426-B test.
3
2.83 Volts at a distance of 1 meter.
SoundTube continually develops new product innovations and improvements. Updates to existing
products without prior notice are an example of SoundTube’s drive for constant improvement.