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SoundTube SM400i, 4" Surface Mount Speaker, Black/White (Each)

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SoundTube SM400i Surface Mount Speaker in White

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.

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 White Grille (GRL-SM400-WH)|White Bracket (AC-SM4-WH)|10" Safety Cable (AC-SM-SC10)|White Weatherboot (WEATHERBOOT-S-WH)|Connector (EUROBLOCK)
Source Inputs 4 Pin 5.08mm Euroblock
IP Rating IP4X
TAA Compliant (Trade America) No
BAA Compliant (Made in USA) No
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

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