PS-4 Sub

The Fohhn® PS-4 is a high-power subwoofer system with 3000 W on 8 ohms, equipped with a 18“ high-power sub low loudspeaker with 4” voice coil and an extremely heavy-duty Neodymium engine. The PS-4 is used to supplement the headroom for PT-9 elements as subwoofer system. Weighs only approx. 61,5 kg.



electro-acoustical features  
acoustic design  vented subwoofer enclosure
frequency response  42 Hz – 250 Hz, (- 3 dB power)
handling capacity  1500 W IEC norm 268-5 (43,0 dBu)
impedance  8 ohms
recommended input power  1500 – 3000 W into 8 ohms
dispersion  omnidirectional
sensitivity  96,5 dB (1W / 1m)
peak SPL (1m)  single enclosure > 132 dB
components  1x 18“ N/Dym sub low loudspeaker, extended linear excursion, water-resistant
power rating (nominal) [1]   
power rating (program) [2]  3000 W (46,0 dBu)
power rating (peak) [3]  6000 W
enclosure  multi-layered ply 18mm enclosure
standard colour  scratch-resistant polyurethan coating, black
protection grille  ball-resistant metal, powder coated finish
frontal design  acoustic foam in enclosure colour
weight  approx. 61,5 kg
dimensions (W x H x D)  housing without handles/ flyware approx. 600/498 x 672 x 590 mm
overall dimensions (W x H x D)  approx. 634/498 x 672 x 647 mm