SoundTube RS4-EZ Hanging Speaker in White

The RS4-EZ is a 4-inch, full-range, ported speaker with an open-ceiling enclosure design. Hanging hardware is included and features a SpeedClamp self-locking wire grip for fast, easy and secure installation. RS4-EZ speakers utilizes the patented ZeroReflection enclosure technology for optimal sound reproduction and cabinet rigidity. 


The easy access five-position selectable tap switch for 25-, 70.7- and 100-volt applications with transformer bypass position simplifies ordering and inventory tracking. The RS4-EZ speakers average sensitivity of 90.0 dB offers high-output capabilities and reduced amplification costs. SoundTube®’s custom-engineered driver and electro-acoustic network deliver high-performance sound in a cost-effective speaker design. The RS4-EZ speaker incorporates a low-profile grille and a five-position tap switch with transformer bypass position. Euroblock connector and terminal weather boot are included.

  • More Information
    Manufacturer’s Suggested Retail Price$142.00
    Manufacturer’s CategoryRS-EZ Economical Pendants
    Height8.8 in / 223.5 mm
    Width/Diameter7.7 in / 195.6 mm
    Shipping Weight5.95 lbs / 2.7 kg
    Carton Height10.5 in / 266.7 mm
    Carton Length10 in / 254 mm
    Carton Width10 in / 254 mm
    CertificationsCE, RoHS, UL2239
    Enclosure PropertiesABS Glass Fiber Reinforced, Injection Molded, Ported
    Enclosure Volume154.7 cu in / 2535.08 cu cm
    Included AccessoriesEuroblock, Hanging Hardware, Safety Cable, Terminal Weather Boot
    Optional AccessoriesWhite Grille (GRL-RS4EZ-WH)|10′ Hanging Cable (AC-RS-HH-10)|20′ Hanging Cable (AC-RS-HH-20)|50′ Hanging Cable (AC-RS-HH-50)|White Mounting Bracket (AC-RS-SM5-WH)|Connector (EUROBLOCK)|White Weatherboot (WEATHERBOOT-M-WH)|Beam Clamp (AC-BC1)|Forged Eye Bolt (AC-FE1)|White Split Loom Tubing (AC-SLT-10-WH)|Snap Link (AC-SL1)
    Source Inputs4 Pin 5.08mm Euroblock
    Coverage Angle (-6dB @ 2kHz)60°
    Crossover FrequencyN/A
    Directivity Factor (Q) (Averaged 100Hz – 10kHz, @ 2kHz)4.3 and 3.8
    Directivity Index (DI) dB (Averaged 100Hz – 10kHz, @ 2kHz)4.9dB and 5.8dB
    Frequency Response (± 10 dB)98 Hz – 22 kHz
    Frequency Response (± 3 dB)185 Hz – 13 kHz
    Grille PropertiesPowder-Coated, Steel
    Low Frequency Voice Coil0.79 in / 20 mm
    Magnetically BoostedNo
    Max. Continuous Power RMS20W
    Max. Program Power40 W
    Minimum Impedance (Ω Ohms)6.9 Ω
    Nominal Impedance (Ω Ohms)8 Ω
    Fullrange Driver4″ Extended-Range Paper Cone
    Sensitivity dB @ 1W/1M90 dB
    Sensitivity dB @ 2.83V/1M90 dB
    Tap SelectorRotary Switch
    Transformer Options25 / 70.7 / 100 V, 8 Ohm direct
    Transformer Taps (25V/70.0V/100V)2.5W/20W/20W