The Thunder-KS4P I is a passive subwoofer featuring 2x long excursion 18” neodimium magnet woofer with 3” voice coil. The Thunder-KS4P I features 2x SpeakON NL4 connectors that allow to input the signals from external active systems or amplifiers, with either a 2-wire or a 4-wire cable, as well as route the signal to other loudspeakers.
2 x 18" neodymium magnet woofer
30 Hz – 150/450 Hz (-6 dB) crossover dependant(1)
DSP-controlled, Low Pass @ 150 Hz, preset dependant
2 x Speakon NL4
Handling and Finishes
Dimensions (W x H x D):
1106 x 500 x 580 mm
(43.5 x 19.7 x 22.8 in)(3)
53,2 kg (117.3 lb)
Polyurea coated birch plywood
- (1) With dedicated preset
- (2) Maximum SPL is calculated using a signal with crest factor 4 (12dB) measured at 1 m.
- (3) Included 17 mm (0.7 in) removable rubber feet
- (4) In case of permament, long lasting installation in critical environments (swimming pools, beaches, yachts..), we recommend to further protect the subwoofer. Contact K-array directly to discuss best protection practices.
Passive loudspeakers requires dedicated preset loaded on board of K-array amplifiers.
New materials and design are introduced into existing products without previous notice.
Thunder-KS4P I Datasheet