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Klipsch® Professional Black KI-115-SMA-II 15" Single Subwoofer-KI-115-SMA-II-Black

Model #: KI-115-SMA-II-Black
At a Glance

Designed for high output, long-term reliability, the Klipsch KI-115-SMA-II low frequency enclosure utilizes a single K-48-ST cast frame 15” woofer. This 104-ounce magnet, 3” voice coil powerhouse delivers high sensitivity with superior power handling. Klipsch’s specially designed speaker motor assembly ensures that high transient cone excursions won’t damage the voice coil former under extreme output applications.

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Get to know this product.

Perfect for music reinforcement and reproduction, the KI-115 finds ready application in clubs, theaters, auditoriums, churches and performance environments. The rugged, tuned port, 3/4” furniture grade plywood enclosure utilizes CNC fabrication techniques for uniform tolerances, contributing to advanced reliability and ruggedness. Dado “locktab” and rabbet joint construction contribute to freedom from resonance and cabinet-induced coloration.

The KI-115-SMA-II utilizes four 3/8"-16 suspension points, located on the rear of the enclosure, to support suspended applications in a "face-down" orientation.

  • High power 15” (38.1cm) low frequency speaker system
  • Compatible with Klipsch KI-102-SMA-II, KI-172-SMA-II, KI-272-SMA-II speaker models
  • Specially designed motor assembly assures high transient cone excursions do not harm the voice coil under extreme output applications
  • Four suspension points on the back of the cabinet (face down orientation only)
  • 124 dB SPL maximum output


  • Performing Spaces
  • Auditoriums and Houses of Worship
  • Bars and Music Clubs
  • Small/medium Sports Facilities
  • Theme Parks and Leisure Venues


Frequency Response49 Hz - 200 kHz (-10 dB @ 35 Hz)
Power Handling400 watts (44.7V); 1600 watts peak
Maximum SPL124 dB Continuous; 130 dB Peak
Sensitivity101 dB
Nominal Impedance8 Ohms, minimum 5 Ohms @ 39 Hz
ComponentsOne K-48-ST 15” woofers
Input ConnectionTwo point barrier strip
Mounting OptionsFour 3/8”-16 flypoints
Enclosure Material3/4" 7-ply birch plywood cabine
FinishesBlack, White and Raw Birch finish

Misc. Specs

Product Weight62
Depth (in.)19.2
Width (in.)24.6
Height (in.)18.5
Speaker TypePowered Subwoofers
Color Finish NameBlack
Rms Power Handling1600
Subwoofer Size15
WarningProposition 65 Warning for California Residents