Subwoofer 4 x 10"

  Firtec logo ETHERCON  AES EBU

CPD SUB back(1)


  Medium/large PA
Houses of worship
Theatrical application
Disco & Night Club
  Small/medium Open Air Small/medium Line Array
  C 12 / CPD 12 C 1214 / CPD 1214
  T 4 / CPD 15 C LINE



The CPD SUB produces the frequencies that your ears expect in large spaces: Not only at 80Hz with a 4m wavelength, but also one Octave deeper while retaining constant and efficient upper low frequencies. Like any KS AUDIO speaker system, CPD SUB has a high audio-quality that is not compromised by its power.

This is achieved by using four heavy duty, 10”- long excursion woofers with a 30 mm voice-coil. Low moving mass combined with Push-Pull technology produces a precise in-and out transient response. The drivers are paired in 2 separate, specially engineered enclosures with exact acoustically tuned properties. This minimizes any possible distortion.

The speaker cabinet itself has very little vibration due to its strategically reinforced plywood construction. Input mono sum as a standard.

The speaker cabinet construction is, like any KS AUDIO system, built from birch plywood with an extremely durable PU-coating. All RAL colors available. Handles, an M20 pole mount, and protective grill, with or without acoustic foam, are further features of this premium product. The rear mounted DSP-controller / PWM amplifier operates very efficiently without the need of a – sometimes distractingly loud - cooling fan. The FIR crossover and filter are specially matched to the drivers, with corresponding compressors and limiters to ensure safe operation. Electronically balanced in/outs via XLR F+M connectors. In addition to the power switch, the control panel also has a selectable digital volume / delay control to individually adjust for each venue and offers a digital delay reaching up to 40 m for decentralized PA systems.

With 2-Channel redundancy, the volume control allows for adjustment with a range of +/-9dB. Another special feature is the DSP Controller with its integrated Delay. Which allows hands-on adjustment, or the creation of a focused directivity Bass-array without any additional equipment. The limiter prevents overloading, provides for frequency response correction, and has a Subsonic-filter. The integrated PMW controller-amplifier can be remotely controlled via Ethernet connection by KS AUDIO REMOTE 3 software.




Specifications CPD SUB
frequency response + / -3dB 38 - 120Hz (32Hz -6dB)
output SPL 134 dB peak
dispersion angle spherical
integrated amplifier / system controller type 2x PWM bridge mode FIRTEC DSP
drivers 4x 10“ -very long excursion
power in Wrms (AES standard) 800W
upper crossover frequency 70/120 Hz
input connectors 2x XLR3, powercon input (100/250VAC), Ethernet
output connectors 2x XLR3 thru, powercon outlet, Ethernet
cabinet birch plywood
grill stainless steel honeycomb 6 sided + acoustic foam
finish charcoal black polyurethane
dimensions (height x width x depth) 720 x 580 x 720 mm 28.3“ x 22.8“ x 28.3“
weight without options) 70 kg / 154.32 lbs
features C-flyware, M20 polemount, ethernet, REMOTE
controlled, integrated digital delay with display,
4x heavy duty wheels
options heavy duty padded black cover





Schutzhülle für C-SUB/Rollen (Bsp.Bild)

 Deckel zu C SUB (Bsp.Bild)



98.170 C SUB  90.510 Deckel-C SUB      



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