Thunder-KS1P I

The Thunder-KS1P I is a compact passive subwoofer built for high-performance audio. Featuring an 12” neodymium magnet woofer with a 3” voice coil, it delivers deep, controlled bass, ideal for live events and installations.With a frequency response from 35 Hz to 450 Hz and a 137 dB max SPL, it ensures powerful sound pressure without compromising quality. Built from polyurea-coated birch plywood, it is highly resistant to impacts and wear. Weighing 34 kg, its compact design allows easy transport and integration into professional audio systems. Equipped with two Speakon NL4 connectors and an 8-ohm nominal impedance, it ensures seamless connectivity.

Available in black, white, or custom RAL finishes, the Thunder-KS1P I is a powerful, durable solution for superior low-frequency performance.

Thunder

Ultra-light, high power subwoofers

Specifications

General

  • Type:  

    Passive subwoofer

  • Transducers:  

    12" neodymium magnet woofer

  • Frequency Response:  

    35 Hz - 150/450 Hz (-6 dB) crossover dependant

     (1)
  • Crossover:  

    External DSP-controlled,
    Low Pass @ 150 Hz up to 450 Hz, preset dependant

  • Max SPL:  

    134

     (2)
  • Rated Power:  

    1200W peak

  • Coverage:  

    Omni

  • Connectors:  

    2 x Speakon NL4 2+ 2- signal / 1+ 1- link

  • Nominal Impedance:  

    8ohm

  • Disclaimer:  

    Passive loudspeakers requires dedicated preset loaded on board of K-array amplifiers.

  • Disclaimer:  

    New materials and design are introduced into existing products without previous notice.

Handling and Finishes

  • Dimensions (W x H x D):  

    500 x 350 x 440 mm
    (19.7 x 13.8 x 17.3 in)

     (3)
  • Weight:  

    18 kg (39.7 lb)

  • Material:  

    Polyurea coated birch plywood

  • Colors:  

    Black/White/Custom RAL

Regulations

  • IP Rating:  

    54 (5)

     (4)
  • (1) With dedicated preset
  • (2) Maximum SPL is calculated using a signal with crest factor 4 (12dB) measured at 1 m.
  • (3) Included 17 mm (0.7 in) removable rubber feet
  • (4) In case of permament, long lasting installation in critical environments (swimming pools, beaches, yachts..), we recommend to further protect the subwoofer. Contact K-array directly to discuss best protection practices.

Downloads

KS1 I GLL

KS1 I GLL

Thunder-KS1P Datasheet-ESP

Thunder-KS1P Datasheet

ver 1.0

KS1P Layout

Amp-to-speaker matching table

Thunder KS User Manual

Thunder-KS1P I BIM

KS1 I DWG 3D

Thunder KS User Manual

CE Declaration of Conformity

Related accessories

Case Studies

Bocconi University

Founded in 1902, Bocconi University is a leading European teaching and research institution with a strong international...

View Details

Piedmont Atlanta Hospital Auditorium

Piedmont Atlanta Hospital is a leader in patient care that has helped the Atlanta community get better and stay well for...

View Details

TAO Downtown

The TAO GROUP is a leading restaurant and nightlife company that develops, owns and operates many of the most successful...

View Details

Do you want to become our installer?