SKU: 26780229280

SoundTube SM400i Surface Mount Speaker - 4" (Black)

Sale price$161.10 Regular price$179.00
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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1

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Description

SoundTube SM400i Surface Mount Speaker - 4" (Black)The SM400i is a 4 inch, coaxial, ported speaker with a low profile surface mount enclosure design for indoor outdoor applications that delivers a consistent dispersion pattern (2 to 10 kHz, independently verified.) Mounting hardware isincluded and features a corrosion and theft resistant Stealth U bracket for easy and secure installation. Nearly invisible from sightlines, the Stealth U bracket includes one way fasteners for tool free, theft resistant

The SM400i is a 4-inch, coaxial, ported speaker with a low-profile surface mount enclosure design for indoor/outdoor applications that delivers a consistent dispersion pattern (2 to 10 kHz, independently verified.) Mounting hardware isincluded and features a corrosion and theft resistant Stealth U-bracket for easy and secure installation. Nearly invisible from sightlines, the Stealth U-bracket includes one way fasteners for tool-free, theft-resistant security. SoundTube®'s custom engineered driver and electro acoustic network deliver high performance sound in a cost-effective surface mount speaker design. The SM400i speaker incorporates a five-position tap switch with transformer bypass position for simplified ordering and stocking. Corrosion and theft resistant U-bracket mount with safety cable, Euroblock connector, paint mask, terminal weather boot, and port plugs are included. Included port plugs can be used for added weather resisitance. IP-Rating: IP4X.

Specifications


Color Black
UPC 644216203208
Manufacturer SoundTube
Manufacturer's Category SMi Surface Mount
Height 6.97 in / 177 mm
Width/Diameter 9.68 in / 245.9 mm
Shipping Weight 7.3 kg / 3.31 kg
Carton Height 9.5 in / 241.3 mm
Carton Length 11.75 in / 298.45 mm
Carton Width 9.25 in / 234.95 mm
Certifications CE, RoHS, UL1480A
Enclosure Properties ABS Glass Fiber Reinforced, Injection Molded, Ported
Enclosure Volume 154.7 cu in / 2535.08 cu cm
Included Accessories Euroblock, Port Plug, Safety Cable, Terminal Weather Boot, U-Bracket
Optional Accessories Black Grille (GRL-SM400-BK)|Black Bracket (AC-SM4-BK)|10" Safety Cable (AC-SM-SC10)|Black Weatherboot (WEATHERBOOT-S-BK)|Connector (EUROBLOCK)
Source Inputs 4 Pin 5.08mm Euroblock
IP Rating IP4X
Crossover Frequency 2.3 kHz
Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) 3.7 and 3.9
Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) 4.9dB and 5.9dB
Frequency Response (± 10 dB) 76 Hz - 22 kHz
Frequency Response (± 3 dB) 97 Hz - 22 kHz
Grille Properties Aluminum, Powder-Coated
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 35 W
Minimum Impedance (Ω Ohms) 3.7 Ω
Mounting Depth 7.47 in / 189.7 mm
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
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: 26780229280

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★★★★★ 3
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Reviewed in the United States on November 23, 2020
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★★★★★ 5
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Reviewed in the United States on May 27, 2026
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Speedy Gonzalez
Carnegie, US
★★★★★ 5
Thick, true fit, comfortable, and perfect!
Color: White Gold - 3.5 mm, Ring Size: 6.4, Color: White Gold - 3.5 mm, Ring Size: 6.4
Excellent price gorgeous comfortable fit, thick and beautiful
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Reviewed in the United States on April 3, 2026
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Garvey
Charlottesville, US
★★★★★ 5
Very much real gold
Color: Yellow Gold - 2 mm, Ring Size: 7, Color: Yellow Gold - 2 mm, Ring Size: 7
At first I thought that it was too tight. I started wearing it for a couple of weeks and it felt great after.
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Reviewed in the United States on May 22, 2026
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Sep37
Dallas, US
★★★★★ 5
Buy it
Color: White Gold - 2 mm, Ring Size: 7, Color: White Gold - 2 mm, Ring Size: 7
Beautiful thin band that fits perfectly with my other ring! True to size. Great price for the quality!
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Reviewed in the United States on April 18, 2026

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