SKU: 78781879657

SoundTube RS400i Hanging Speaker w/BroadBeam Tweeter - 4" (Black)

Sale price$166.50 Regular price$185.00
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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

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Description

SoundTube RS400i Hanging Speaker w/BroadBeam Tweeter - 4" (Black)The RS400i has a 4 inch polypropylene woofer and one 1. 0 inch convex titanium tweeter with FerroFluid cooling mounted to a proprietary cast aluminum baffle and heat sink. The two way, ported speaker with an open ceiling enclosure design that delivers effective low end response (76 Hz) and 125 off axis performance (2 to 10 kHz, independently verified). The speaker uses patented ZeroReflection enclosure technology for optimal sound reproduction and

The RS400i has a 4-inch polypropylene woofer and one 1.0 inch convex titanium tweeter with FerroFluid cooling mounted to a proprietary cast-aluminum baffle and heat sink. The two-way, ported speaker with an open-ceiling enclosure design that delivers effective low-end response (76 Hz) and 125° off-axis performance (2 to 10 kHz, independently verified). The speaker uses patented ZeroReflection enclosure technology for optimal sound reproduction and cabinet rigidity. SoundTube®'s proprietary BroadBeam® waveguide tweeter system delivers consistent high-performance audio coverage across the operating band-width. The RS400i speaker design incorporates a low-profile grille, proprietary motor-board and a six-position selectable tap switch for 25-, 70.7- and 100-volt applications with a transformer bypass position simplifies ordering and inventory tracking with transformer bypass position. Includes UL listed hanging hardware with cables and integrated SpeedClamp self-locking wire grip for fast, easy and secure installation. Euro-block connector and terminal weather boot are included.

Specifications 


Color Black
UPC 644216201501
Manufacturer SoundTube
Manufacturer's Category RSi Original Pendant
Height 8.8 in / 223.5 mm
Width/Diameter 7.7 in / 195.6 mm
Shipping Weight 7.2 lbs / 3.27 kg
Carton Height 10.5 in / 266.7 mm
Carton Length 10 in / 254 mm
Carton Width 10 in / 254 mm
Certifications CE, RoHS, UL1480A, UL2239
Enclosure Properties ABS Glass Fiber Reinforced, Injection Molded, Ported
Enclosure Volume 154.7 cu in / 2535.08 cu cm
Included Accessories Euroblock, Hanging Hardware, Safety Cable, Terminal Weather Boot
Optional Accessories Black Grille (GRL-RS400-BK)|10' Hanging Cable (AC-RS-HH-10)|20' Hanging Cable (AC-RS-HH-20)|50' Hanging Cable (AC-RS-HH-50)|Black Mounting Bracket (AC-RS-SM5-BK)|Connector (EUROBLOCK)|Black Weatherboot (WEATHERBOOT-M-BK)|Beam Clamp (AC-BC1)|Forged Eye Bolt (AC-FE1)|Black Split Loom Tubing (AC-SLT-10-BK)|Snap Link (AC-SL1)
Source Inputs 4 Pin 5.08mm Euroblock
Coverage Angle (±6dB @ 2kHz) 80°
Crossover Frequency 2.3 kHz
Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) 3.5 and 4.6
Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) 4.2dB and 6.6dB
Frequency Response (± 10 dB) 76 Hz - 22 kHz
Frequency Response (± 3 dB) 95 Hz - 20 kHz
Grille Properties Powder-Coated, Steel
Low Frequency Voice Coil 1 in / 25.4 mm
Low Pass Crossover 12 dB per octave 2nd order
Max. Continuous Power RMS 20W
Max. Program Power 40 W
Minimum Impedance (Ω Ohms) 4.5 Ω
Network Type: High Pass 12 dB per octave 2nd order
Nominal Impedance (Ω Ohms) 4 Ω
Tweeter Driver 1" Convex Aluminum w/ BroadBeam® Waveguide
Woofer Driver 4" Polypropylene Cone with Butyl Rubber Surround
Sensitivity dB @ 1W/1M 82.5 dB
Sensitivity dB @ 2.83V/1M 85.5 dB
Tap Selector Rotary Switch
Transformer Options 25 / 70.7 / 100 V, 4 Ohm direct
Transformer Taps Max. Setting (25V/70.7V/100V) 2.5W/20W/20W
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78781879657

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J Miller
Pawtucket, US
★★★★★ 5
Finally! A sunscreen that works and does not burn my eyes.
Style: SPF 30, Size: 3 Ounce (Pack of 1)
I am unable to use chemical or hybrid sunscreens on my face because they "melt" and destroy my eyes. Living in the south means daily sunscreen year-around is a must - having found this product is a godsend. Unscented, no chemicals to discolor my clothes, no titanium dioxide so no purple-white ghostly cast, easily rubs in. Simply perfect!!!
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Reviewed in the United States on June 8, 2025
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Amazon Customer
Houston, US
★★★★★ 5
Effective Mineral Sun Protection
Style: SPF 30, Size: 3 Ounce (Pack of 1)
This mineral sunscreen does a great job at blocking the sun. It applies smoothly, although it does have a slightly pasty texture which is typical of mineral sunscreens. I love that it was on the thinner side for consistency which makes it easy to apply evenly. We used it extensively last summer and it kept us well protected. We'll definitely be using it again this summer!
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Reviewed in the United States on February 13, 2025
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Cher
Belleville, US
★★★★★ 4
good consistency
Style: SPF 30, Size: 3 Ounce (Pack of 1)
It is a body lotion and for that it's great but it's a bit white for face unless you are very fair. Not shiny which is a plus and goes on evenly.
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Reviewed in the United States on April 25, 2026
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Popstar888
Chelsea, US
★★★★★ 5
This is the only sunscreen that doesn't give me an allergic reaction
Style: SPF 30, Size: 3 Ounce (Pack of 1)
I've tried many other sunscreens and all of them give me an allergic reaction, or they are very thick and leave a white residue. This, though, does neither of those things. It's just the right consistency. I've purchased this twice now and will purchase more in the future, I'm sure.
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Reviewed in the United States on December 7, 2025
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Tatiana Wright
Lexington, US
★★★★★ 5
Best mineral sunscreen
Style: SPF 30, Size: 3 Ounce (Pack of 1)
Applies easily, smells great and hardly leaves a whitecast! One of my favorite mineral sunscreens that I’ve tried.
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Reviewed in the United States on June 17, 2024

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