SoundTube Entertainment RS400i 4" Coaxial Open-Ceiling Speaker (Black)
SKU: 80716716068

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

$27013.50 $30015.00
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Description

SoundTube Entertainment RS400i 4" Coaxial Open-Ceiling Speaker (Black)The black 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 black 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
Black paint finish
In the Box
SoundTube Entertainment RS400i 4" Coaxial Open-Ceiling Speaker (Black)
  • 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: 80716716068

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4.0 ★★★★★
Based on 1396 reviews
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Nitin
San Leandro, US
★★★★★ 5
Nice Patek Phillip replica!
Color: Rose gold, Color: Rose gold
Nice watch! Doesn't look cheap. Casual and office wear, both ok. Removing links was easy. Decent size, good on my wrist. These days smaller watches are in trend and it does fit the requirement. Color is fancy. In low light conditions it does get darker hues and it looks even better to me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2026
I
Verified Purchase
Isaac Young
Alexandria, US
★★★★★ 3
Packaging is most disappointing
Color: Black
Giving a 3-star at the moment because I just received the watch and usually comment on a new collection addition after about a week. •biggest turn off and cause for 3 star upon receipt is because of packaging. The main box seemed already used and returned or carelessly handled & very basic. How it's advertised & described as well as the image seller portrays of the product, the packaging fails at "luxury" depiction. •Link removal tool is very basic but this was a $23.00 watch. Because I am a collector I knew to pay attention to how pins are removed and had no problems removing the 4 links required to meet my desired size. •A few reviews said it's heavy and I'm used to pretty heavy + 44-48mm bezels so to my standards, I wouldn't 100% say it feels cheap(i mean c'mon it is so can't be too judgemental) but it slightly does feel "toyish" •Bracelet out the package even with plastic all over, came with two dot sized blemishes i keep focusing on and upset at. •Many reviews said after two hours, the time isn't accurate; thus far, time is fine •A few reviews said the double clasp is weak. 1 time it did loose but after removing links, ive done a lot of shaking and wrist action to test the clasps and nothing so far to match others experience •It has a nice appearance, can pass for business and casual •For a $26.00 watch after taxes I'm not disappointed as of yet besides the blemishes and packaging but will revisit in a week or so. •I read that the date doesn't keep accurately so I will update review after a trial period • I will say, if you dress correctly with this piece, I feel it has potential to draw attention from it's design
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 3, 2025
M
Verified Purchase
MIke L
Natrona Heights, US
★★★★★ 5
All time favorite watch
This watch is amazing for the price. I have had mine for 5 years or so and I wear it regularly. It's very comfortable resin strap. The design of the face is I think stunningly beautiful. Yes that is a bit strong for a $25 watch but the way the globe pops out, the legibility on par with a high priced dive watch and the funcationality of a timer, stop watch, world time and a data bank you will never use, but still.. cool watch!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 16, 2020
P
Verified Purchase
Paul
Pawtucket, US
★★★★★ 5
Handy
Very easy for old eyes to read, can even see the date if light is good. Light weight for a largish watch. Seems rugged enough for me and the price is right for a beater watch.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2025
D
Verified Purchase
Derek
Charlottesville, US
★★★★★ 4
Watch
Tells time
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026

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