High Output Curve Array System. 12 Speakers Built into the System. Class D Amplifier. 4 Channel Mixer with Bluetooth. Pneumatic Speaker PoleColumn Power RMS: 300W Column Power Max: 600W Sub Power RMS: 500W Sub Power Max: 1000W Frequency Response: 38Hz – 18kHz Max SPL: 128dB Column Dimensions: 188 x 517 x 243mm Sub Dimensions: 366 x 625 x 541mm Weight: 8Kg (Column) & 27Kg (Sub). This new system uses a curve array architecture that provides an optimised- controlled sound diffusion at a sound pressure level of 128dB SPL. With a total of 12 loudspeakers- the satellite has been specially designed to achieve an effective aperture of 100ø horizontal and 70ø vertical. Bass is provided by a powerful 12-inch long-excursion bass driver mounted in a bass-reflex subwoofer. The latter accommodates Class D amplification with all the protections- a 4-input mixer with TWS Bluetooth© and a powerful DSP offering the possibility to adjust the sound according to your desires. Installation is simplified thanks to the pneumatic coupling bar- which allows effortless height adjustment and also provides a wired connection between the amplifier and the satellite.. pa system-line array system-portable pa system