Our 15″ passive, sealed sub is an affordable, versatile sub that can either be powered by a dual channel master Hamrammr Sub 15 Active or another external power source.

23 in stock


This sealed, high powered sub will provide both excessive levels of SPL in combination with quick and precise response. This passive version can be powered by the additional channel of the active Sub 15 or an external amplifier.

– Bjørn Erik Forberg, Chief Designer

Out passive 15″ sub can be powered either by a master Hamrammr Sub 15 Active or an external amp.


Speaker type Sealed 15" sub designed by Hamrammr
Amplifier Passive, speakon input
Driver size 15"
SPL 120dB Cont. / 125dB Peak
Power handling RMS / MAX -
Xmax 19mm
Magnet Ferrite
Voice coil diameter 2,5"
Impedance 4Ω (Dual coil 2Ohm)
Frequency response 20Hz - 150Hz (-3 dB)
Dimensions / weight 94cm (H) x 47cm (W) x 30cm (D) / 65 kilos
Cabinet construction 25mm birch plywood & tour-grade textured finish
Application Baffle wall or free standing subwoofer
Included accessories 3m speakon cable (used to connect the active Hammramr sub)