Active 2 way mono system

The system consists of a “SUB” speaker, protected by scratch-resistant paint, containing
three class “D” amplifiers with a total output power of 2000 watts, and a top speaker for
mid-range and high frequencies; the lot is driven by a powerful DSP.
The first 1000 watts amplifier drives the 12” woofer placed in the “SUB” speaker; the two
remaining amplifiers, a 2×500 stereo couple that is electronically limited to 2×300 watts,
drive two mid-range and high frequencies units, that are mounted on two aluminum stands.
DSP handles accurately the audio signal thanks to its functions of equalization, filtering, delay,
limiter and protection functions, without altering its phase. Thanks to the technology of FIR
filters, furthermore, it enables users to choose between four preset equalization settings, in
order to adapt the system output in all situations.
Such characteristics, as well as the careful attention in choosing and assembling all used
components, mark the difference between a high standard product, meant for professional
use, and average products.

Scratch-resistant varnish
Class D Amplifier high efficiency with DSP
Amplifier Power: 1000W
Multi layered birch (SUB) and Alluminium (TOP)
System Bass reflex Bass reflex
Components 4x3,5 full range transducers 12" with neodymium magnet
Sensibility (dB SPL 1W@1m) 96 dB 92 dB
Max Output 119 dB 122 dB
Frequency response (-3dB) 150 - 18000 Hz 45 - 150 Hz
Casing Alluminium Multi layered birch
Refinishing Black scratch-resistant Black scratch-resistant
Size 49 x 11 x 12 cm 45 x 36 x 47 cm
Weight 3.4 kg 22.1 kg
Amplification Class D Amplifier high efficiency with DSP Class D Amplifier high efficiency with DSP
Connections Speakon XLR
Amp power 2x500W (1KHz, 1% THD) limited to 2x300 W 1000W (1KHz, 1% THD)
Limiter Yes Yes
Protection Thermal and short-circuit Thermal and short-circuit
Cooling Temperature controlled fan Temperature controlled fan
Package content:
Protection Cover for K3st SUB
Travelling case for K3st TOP
Connection stand K3 TOP
Stand adapters for K2st TOP
Travelling case for stands



Hi-res photo


Technical drawing


Drawing with measures