BroadBeam® waveguide technology delivers a consistent dispersion pattern up to 10 kHz for maximum coverage area per speaker. One 4 inch polypropylene woofer and one 1.0 inch convex titanium tweeter with FerroFluid cooling. Includes port plugs and weatherized components for indoor and outdoor applications. Patented ZeroReflection™ enclosure technology for optimal sound reproduction and cabinet rigidity. Easy access, five-position selectable tap switch for 25-, 70.7- and 100-volt 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. Included accessories: corrosion and theft resistant U-bracket mount with safety cable, Euroblock connector, paint mask, terminal weather boot, and port plugs. Optional port plugs are included for added weather resistance.

Specifications: SM400iMounting hardware included
Nominal Impedance4 ohm
Impedance (min)3.7 ohm
Sensitivity dB @ 2.83V/1M85.5dB
Sensitivity dB @ 1W/1M (2)82.5dB
Frequency Response (± 3 dB)97 Hz - 22 kHz
Frequency Response (±10 dB)76 Hz - 22 kHz
Max. Program Power35W
Max. Continuous Power RMS20W
Max. Power SPL @ 1 M95.5dB
Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz)3.7 (Average 100 Hz - 10 kHz) 3.9 (2 kHz)
Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz)4.9dB (Average 100 Hz - 10 kHz) 5.9dB (2 kHz)
Tap SelectorWeather-proof, five-position tap switch with transformer bypass position
70.7 Volt Transformer Taps20w / 95.5dB
100 Volt Transformer Taps (dB)20w / 95.5dB
25 Volt Transformer Taps (dB)2.5w / 86.5dB
Transformer Options25 / 70.7 / 100 Volt option with a 4 Ohm direct
Transducer - Low Frequency Driver4" Polypropylene Cone with Butyl Rubber Surround
Transducer - High Frequency Driver1" Convex Titanium Tweeter w/ Waveguide
Network Type: Low Pass12dB per octave, 2nd order
Network Type: High Pass12dB per octave, 2nd order
Coverage Angle (-6 dB @ 2 kHz)125 horizontal
163 vertical
ColorsBlack or white
Inputs4 Pin, 5.08 mm Euroblock for individual or daisy chain connection
Height (SM = Height)177 mm / 6.97 in
Diameter (SM = Width)245.9 mm / 9.68 in
SM Depth (Including Bracket)189.7 mm / 7.47 in
Weight2.4 kg / 5.3 lb
Shipping Weight3.3 kg / 7.3 lb
Packaging1 per box
Regulatory - ULApproved UL1480A
Regulatory - CEApproved
Regulatory - RoHSapproved
Regulatory - IPnot planned