Thunder-KS4 I

The Thunder-KS4 I is a compact active subwoofer featuring a 2x18” cone drivers and a powerful 4x 2500W @ 4Ω audio amplifier module with built-in DSP. The audio power output connectors allow the Thunder subwoofers to drive a wide range of K-array passive loudspeakers. Compatible with midrange loudspeaker and other passive subwoofers, the self powered Thunder subwoofers with DSP are designed to be the core devices in K-array sound reinforcement systems.

Thunder

Ultra-light, high power subwoofers

Specifications

General

  • Type:  

    Active subwoofer

  • Transducers:  

    2 x 18" neodymium magnet woofer

  • Frequency Response:  

    30 Hz – 150/450 Hz (-6 dB) crossover dependant

     (1)
  • Crossover:  

    DSP-controlled, Low Pass @ 150 Hz, preset dependant

  • Max SPL:  

    141 dB

     (2)
  • Coverage:  

    Omni

  • Connectors:  

    Line Input
    2x XLR-F analog / AES3
    Line Output
    2x XLR-M Link analog / AES3
    Speaker Output
    2x SpeakON NL4
    Mains
    powerCON TRUE1 TOP
    Networking and Data
    1x RJ45
    4x USB-A

  • Nominal Impedance:  

    4ohm subwoofer

  • Controllers:  

    Wi-Fi dedicated Mobile APP
    K-framework3 via wired Ethernet connection

  • Built-in DSP:  

    Input gain, routing matrix, delay, full parametric IIR filters (Peaking, Shelving, Hi/ Lo pass, Hi/Lo Butterworth), Onboard preset, Remote monitoring

Handling and Finishes

  • Dimensions (W x H x D):  

    1106 x 500 x 580 mm
    (43.5 x 19.7 x 22.8 in)

     (3)
  • Weight:  

    60 kg (132.3 lb)

  • Material:  

    Polyurea coated birch plywood

  • Colors:  

    Black/White/Custom RAL

Regulations

  • IP Rating:  

    53

     (4)

Amplifier

  • Amp Module:  

    4-ch Class D

  • Output Power:  

    4 x 2500W @ 4ohm

     (5)
  • Power Consumption:  

    600 VA @ 8 Ω load, Pink noise, 1/8 rated power

  • (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.
  • (5) CTA-2006 Standard single channel driven
  • New materials and design are introduced into existing products without previous notice.

CONTROL 4
CONTROL 4

Integrating K-array's latest electronics with any Control4 system has become easy.

Scarica
Q-SYS
Q-SYS

To easily integrate K-array's latest electronics with any Q-SYS configuration.

Scarica
Crestron Home
Crestron Home

Make K-array ultra-sleek and unique products get along with your Crestron Home Control System.

Scarica
Crestron
Crestron

The plug-in that gives your Crestron Electronics full control on K-array amps is finally out there!

Scarica
AMX by Harman
AMX by Harman

K-array's latest electronics can be easily controlled by AMX modules as well now.

Scarica
Dante Ready
Dante Ready

K-array's Dante Ready, a licensing program by Audinate.

Download the Dante Controller for free!

Downloads

Thunder-KS4 I Datasheet

WEB APP Quick Start Guide

Thunder KS User Manual

Amp-to-speaker matching table

KS4 Layout

Thunder-KS4 I BIM

KS4 I DWG 3D

CRESTRON HOME plug-in

CRESTRON plug-in

Q-SYS Plug-in

Rev 1.0.0

Dante Ready Activation Guide

Ver 0.2

CE Declaration of Conformity

osKar System Update 1.9.0

KFramework3 v3.0.0 Windows

Ver. 3.0.0

KFramework3 v3.0.0 Osx

Ver. 3.0.0

Related accessories

Backstage

Audinate’s Dante Ready launches in market with K-array Amplifiers

Reaffirming its market leadership in professional-grade audio and video IP networking solutions, Audinate (ASX:AD8) have...

View Details

Do you want to become our installer?