SKU: 47485503300

SoundTube Entertainment RS400i 4" Coaxial Open-Ceiling Speaker (White)

Sale price$26034.75 Regular price$28927.50
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Description

SoundTube Entertainment RS400i 4" Coaxial Open-Ceiling Speaker (White)The white RS400i 4? Coaxial Open Ceiling Speaker from SoundTube Entertainment is a two way ported speaker with an open ceiling enclosure design that delivers effective low end response (from 76 Hz to 22 kHz @ 10 dB). The BroadBeam technology in this speaker incorporates a high frequency waveguide mated to a 1" convex titanium tweeter. The BroadBeam high frequency waveguide delivers a consistent dispersion pattern across the operating bandwidth that

The white RS400i 4? Coaxial Open-Ceiling Speaker from SoundTube Entertainment is a two-way ported speaker with an open-ceiling enclosure design that delivers effective low-end response (from 76 Hz to 22 kHz @ -10 dB). The BroadBeam technology in this speaker incorporates a high-frequency waveguide mated to a 1" convex titanium tweeter. The BroadBeam high-frequency waveguide delivers a consistent dispersion pattern across the operating bandwidth that offers optimum edge-to-edge coverage and reduced power needs.

The RS400i Speaker incorporates a low-profile grille and a five-position tap switch with transformer bypass position. It features a SpeedClamp self-locking cable grip for fast, easy, and secure installation. Designed for indoor and outdoor background to foreground SPL applications, the RS400i Speaker includes a single-point mounting system for rapid open-ceiling installations. The broad dispersion pattern of 125� and high sensitivity of 82.5 dB 1W/1m makes this speaker suitable for retail, restaurants, grocery stores, hotels, casinos, fitness centers, conference rooms, big box stores, museums, trade shows, airports, and other open-ceiling applications.

BroadBeam waveguide technology delivers a consistent dispersion pattern for maximum intelligibility and edge-to-edge coverage (up to 10 kHz, independently verified)
Features a 4" (102mm) polypropylene woofer and 1" (25mm) convex titanium tweeter with FerroFluid cooling
Weatherized components for indoor and outdoor applications
Includes UL-listed hanging hardware with adjustable galvanized steel cables and integrated SpeedClamp self-locking cable grip
Features an Euroblock connector and terminal weather boot
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
Steel grille with protective powder-coated finish for durability
Can also be surface-mounted with the AC-RS-SM5 mount bracket (not included)
UL 1480 (UEAY) approved
White paint finish
In the Box
SoundTube Entertainment RS400i 4" Coaxial Open-Ceiling Speaker (White)
  • Hanging Hardware
  • Euroblock Connector
  • Terminal Weather Boot
  • Limited 5-Year Warranty
System Type 4" (102 mm), coaxial, open-ceiling, ported
20 W transformer for 25/70.7/100 V or transformer bypass applications
Impedance Nominal: 4 ?

Impedance listed per IEC 60268-5 with a minimum less than 80% the nominal impedance.

Sensitivity 85.5 dB @ 2.83 V/1 m
82.5 dB @ 1 W/1 m

1 W/1 m sensitivity determined using nominal impedance.

Frequency Response 95 Hz to 20 kHz @ -3 dB
76 Hz to 22 kHz @ -10 dB

Frequency response measured in half or full space as dictated by speaker mounting configuration.

Max. Program Power 40 W

Maximum program power is 3 dB above maximum continuous power.

Max. Continuous Power RMS 20 W

Continuous power rating, EIA-426-B test.

Max. Power SPL 95.5 dB @ 1 m

Maximum output based on maximum continuous power.

Coverage Angle 125� (-6 dB @ 2 kHz)
80� (-6 dB @ 10 kHz)
125� (Averaged 2 to 10 kHz)
Directivity Factor 3.5 (Averaged 100 Hz to 10 kHz); 4.6 (2 kHz)
Directivity Index 4.2 (Averaged 100 Hz to 10 kHz); 6.6 dB (2 kHz)
Tap Selector Five-position rotary switch with transformer bypass
Transformer Taps Output at 70.7 V:
95.5 dB @ 20 W
92.5 dB @ 10 W
89.5 dB @ 5 W
86.5 dB @ 2.5 W

Output at 100 V:
95.5 dB @ 20 W
92.5 dB @ 10 W
89.5 dB @ 5 W

Output at 25 V:
86.5 dB @ 2.5 W
83.5 dB @ 1 W
80.5 dB @ 0.63 W
77.5 dB @ 0.31 W
Transducer Low-Frequency Driver: 4" (102 mm) polypropylene cone, butyl rubber surround
High-Frequency Driver: 1" (25 mm) convex titanium tweeter with waveguide
Voice Coil Low-Frequency: 1" (25 mm)
Crossover Frequency 2.3 kHz
Network Type Low & High Pass: 12 dB per octave, 2nd order
Enclosure Material Injection molded ABS, glass fiber reinforced
Grille Steel with powder-coat finish
Inputs 4-pin, 5.08 mm Euroblock for individual or daisy chain connection
Approvals UL 1480 (UEAY) and 2239
CE
RoHS
Dimensions (� x H) 7.7 x 8.8" (195.6 x 223.5 mm)
Weight 5.0 lb (2.3 kg)
Packaging Info
Package Weight 7.0 lb
Box Dimensions (LxWxH) 11.0 x 10.0 x 10.0"
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
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: 47485503300

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4.3 ★★★★★
Based on 23 reviews
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E
Verified Purchase
EJ
Cuba, US
★★★★★ 5
Great Value for a Comfortable Home Office Chair
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
I’ve been using this chair for a couple of days now, and honestly, it’s been a solid upgrade from my old one. I work from home most days, so comfort matters a lot—and this chair delivers better than I expected for the price. The first thing I noticed was the lumbar support. It’s actually adjustable and makes a noticeable difference, especially if you tend to sit for long stretches. My lower back used to get sore after a few hours, but that hasn’t really been an issue since switching to this chair. The mesh back is also a nice touch—it keeps things breathable, which I didn’t think I’d care about until I had it. Assembly was pretty straightforward. Took me maybe 20–25 minutes without any frustration. Everything lined up well, and the instructions were clear enough. In terms of comfort, the seat is firm but not hard. It doesn’t feel like one of those super plush chairs, but I actually prefer that because it feels more supportive over time. The reclining feature is smooth, and I like that you can lean back a bit when you need a break. Overall, I’d say this is a great value for a home office setup. If you want something ergonomic and comfortable without spending a fortune, this chair is definitely worth considering.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
A
Verified Purchase
Amazon Customer
Lowell, US
★★★★★ 5
Excellent Office Chair
Color: Black+white, Size: Pack of 1
I just received my TRALT Office Chair. First of all, I was impressed with the packaging of this item. When I opened the box each piece of the chair was wrapped in plastic or bubble wrap. Everything in the box arrived safely and without damage. Secondly, the instructions to assemble the chair were very each to follow. I was impressed with the Allen wrench which had a handle attached to it. This made screwing in the screws very easy. I was able to assemble the chair without any difficulty. Lastly, the look of the chair and the comfort is exceptional. I ordered the black/white chair which looks amazing. The comfort of the chair is really excellent. My back is supported by the lumbar seat and having the armrests being able to go up when not needed is wonderful. The quality of the chair is definitely worth the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
J
Verified Purchase
Jennifer3002
Belleville, US
★★★★★ 4
a good choice
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
Assembled chair only to find that the lift cylinder was faulty. Would have preferred to be able to just get a replacement cylinder but calling China didn't seem like a viable option. Guessing which one & buying it online would involve paying for a good portion of what the chair cost. Customer service could only offer a replacement or refund. We're disassembling (so much fun?!) to send it back. The chair itself was very comfortable, assembled fairly easily and instructions pretty clear. Again, if we could only have asked the seller for the replacement part......**Update**...Or if the instructions that seemed so clear were clearer!, as we started to disassemble, we decided to see what would happen if the tension knob (see photo) was loosened. IT ALLOWED THE LIFT CYLINDER TO WORK. Not at all what the instructions say. At any rate, we're keeping the chair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
J
Verified Purchase
jinju jiang
West Palm Beach, US
★★★★★ 5
This chair is amazing
Color: Sky Blue, Size: Pack of 1, Color: Sky Blue, Size: Pack of 1
⭐⭐⭐⭐⭐ Absolutely love this chair! It was super easy to assemble—I had it set up in no time with clear instructions and minimal effort. The comfort level is fantastic; the seat cushion is just right and the back support makes it great for longer sitting sessions. The color is beautiful in person—clean, modern, and adds a fresh pop to the room without being overwhelming. I also really like the smooth wheels and sturdy build; it feels stable and well-made. Overall, this is a great combination of style, comfort, and value. Highly recommend!
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Reviewed in the United States on May 4, 2026
C
Verified Purchase
Chockalingam Ravi Sundaram
Natrona Heights, US
★★★★★ 5
Excellent Ergonomic Chair
Color: Black, Size: Pack of 1
I am incredibly impressed with this chair. The setup was a breeze and took me less than 20 minutes from start to finish. It is exceptionally comfortable, offering fantastic ergonomic support that keeps my back pain-free during long hours of sitting. The materials feel premium and highly durable. Plus, the included 5-year warranty is incredibly helpful and provides great peace of mind. I highly recommend it to anyone looking for a reliable workspace upgrade!
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Reviewed in the United States on May 25, 2026

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