SKU: 56077059171

SoundTube Entertainment SM400i 4" Surface-Mount Speaker (Black)

Sale price$22140.00 Regular price$24600.00
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Description

SoundTube Entertainment SM400i 4" Surface-Mount Speaker (Black)The black SM400i 4 Surface Mount Speaker from SoundTube Entertainment is a coaxial, ported speaker with a low profile surface mount enclosure design for indoor outdoor applications. The proprietary BroadBeam waveguide technology incorporates a high frequency waveguide mated to a 1 convex aluminum tweeter. It helps deliver a consistent dispersion pattern across the upper registers of the frequency spectrum. This speaker features a corrosion resistant

The black SM400i 4� Surface-Mount Speaker from SoundTube Entertainment is a coaxial, ported speaker with a low-profile surface-mount enclosure design for indoor/outdoor applications. The proprietary BroadBeam waveguide technology incorporates a high-frequency waveguide mated to a 1� convex aluminum tweeter. It helps deliver a consistent dispersion pattern across the upper registers of the frequency spectrum.

This speaker features a corrosion-resistant Stealth U-bracket for easy and secure installation. The bracket utilizes one way fasteners for tool-free, theft-resistant security. The SM400i Speaker incorporates a five-position tap switch with transformer bypass position. Included port plugs can be used for added weather resistance. It delivers high-quality music and messaging for indoor and outdoor background to mid-level SPL applications. This surface-mount speaker is suitable for use in retail shops, grocery stores, restaurants, hotels, casinos, museums, trade shows, and conference rooms.

BroadBeam waveguide technology delivers a consistent dispersion pattern up to 10 kHz for a wide coverage area
Features a 4" polypropylene woofer and 1" convex titanium tweeter with FerroFluid cooling
Includes port plugs and weatherized components for indoor and outdoor applications
Easy access, five-position selectable tap switch for 25, 70.7, and 100V applications with transformer bypass position
Iridite-plated aluminum grille with protective powder-coated finish for lasting durability
Includes a tool-free Stealth U-bracket mounting system for fast and secure installation
Vertical and horizontal mounting offer precision aiming for indoor and outdoor applications
UL 1480 (UEAY) and CE approved
Black paint finish
In the Box
SoundTube Entertainment SM400i 4" Surface-Mount Speaker (Black)
  • U-Bracket Mount with Safety Cable
  • Euroblock Connector
  • Paint Mask
  • Terminal Weather Boot
  • Port Plugs
  • Limited 5-Year Warranty
System Type 4" (102 mm) coaxial, surface-mount, ported (20 W transformer for 25/70.7/100 V or transformer bypass)
Nominal Impedance 4 ?
Sensitivity 2.83 V/m: 85.5 dB
1 W/m: 82.5 dB

Average over published frequency response range.
1 W/m sensitivity based on voltage required to yield 1 W based on the minimum system impedance.

Frequency Response -3 dB: 97 Hz to 22 kHz
-10 dB: 76 Hz to 22 kHz
Maximum Power Program Power: 35 W
Continuous Power RMS: 20 W

Continuous power rating, EIA-426-B test.

Max SPL Level 95.5 dB @ 3.3' (1.0 m)
Coverage Angle -6 dB @ 2 kHz: 125� horizontal / 165� vertical
-6 dB @ 10 kHz: 75� horizontal / 70� vertical
Ave from 2 to 10 kHz: 125� horizontal / 125� vertical
Angle Angle of Pointability: 0 to 90� horizontal
Directivity Factor Q, 3.7 (averaged 100 Hz to 10 kHz); 3.9 @ 2 kHz
Directivity Index DI, 4.9 dB (averaged 100 Hz to 10 kHz); 5.9 dB @ 2 kHz
Tap Selector Weather-proof, five-position tap switch with transformer bypass position
Low Frequency Driver 1 x 4" (102 mm) polypropylene cone, butyl rubber surround
High Frequency Driver 1 x 1" (25 mm) convex titanium tweeter with waveguide
Low Frequency Voice Coil 1" (25 mm)
Crossover Frequency 2.27 kHz
Network Type Low-Pass & High-Pass: 12 dB per octave, 2nd order
Enclosure Material Injection-molded ABS, glass fiber reinforced
Grille Material Powder-coated aluminum
Inputs 1 x four-pin, 5.08 mm Euroblock for individual or daisy chain connection
Transformer Taps 70.7 V Output: 20 W (95.5 dB), 10 W (92.5 dB), 5 W (89.5 dB), and 3 W (86.5 dB)
100 V Output: 20 W (95.5 dB), 10 W (92.5 dB), and 5 W (89.5 dB)
25 V Output: 3 W (86.5 dB), 1 W (83.5 dB), 0.63 W (80.5 dB), and 0.31 W (77.5 dB)
Approvals UL, CE, and RoHS
Dimensions (H x W x D) 9.7 x 6.9 x 7.5" (24.6 x 17.7 x 19.0 cm) (including bracket)
Weight 5.3 lb (2.4 kg)
Packaging Info
Package Weight 8.0 lb
Box Dimensions (LxWxH) 12.0 x 10.0 x 9.0"
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: 56077059171

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4.2 ★★★★★
Based on 11 reviews
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A
Verified Purchase
Amazon Customer
Bozeman, US
★★★★★ 5
Excelente
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
S
Verified Purchase
S. McCarty
Houston, US
★★★★★ 5
Excellent fit and value - recommended buy
Size: 3+12+12+2+1 pack
I rarely write reviews, but I'm so impressed by the fit and quality of this set that I made an exception. I'd been running my eufy 11S without brushes, and have been cleaning and reusing the filters for a while now and finally decided to buy replacements. The kit came packed well with everything in order and no damage. I replaced all of the worn parts and installed the brushes and did a test run - everything worked great. I expected some fitment issues because I've seen that with other kits, but I had no issues. The fact that you get multiples of almost everything is icing on the cake. Oh, and I wasn't paid or given anything in exchange for this review, as much as that's worth now, haha. I can recommend getting this kit for your robot vacuum, if it's the right set for your model.
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Reviewed in the United States on February 6, 2025
L
Verified Purchase
LGN
Omaha, US
★★★★★ 5
Good option for an aftermarket replacement solution.
Size: 3+12+12+2+1 pack
I've been very happy with this product. I think it is a good price point for what is included. Everything was a directly compatible and everything fit as you would expect. The filter quality is good and since there are plenty in the kit I find I change the filters more often which is probably a good thing. I recommed.
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Reviewed in the United States on October 3, 2025
D
Verified Purchase
deb
Alexandria, US
★★★★★ 5
Eufy Brushes wear out with daily use
Size: 4 Pack
These brushes help the Eufy continue to run efficiently. I have 2 dogs and run 2 Eufies daily. It is surprising how much sand, dust, gravel and hair gets vacuumed. My furniture isn't as dusty and my floor doesn't need mopping as often.
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Reviewed in the United States on January 7, 2026
B
Verified Purchase
Brian M.
Carnegie, US
★★★★★ 4
It works
Size: 2+12+12+2 pack
Fits as expected and it's nice to have so many replacement parts. This item is priced well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026

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