XS-4 passive

X-Sub passive

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XS-4 passive (neodym.)
Extra ordinary output subwoofer, 1x 18“, 800W, 8 ohms, ATD acoustic design, for ground stacking, wheel board, 4x Speakon, approx. 38 kg.

Fohhn® bass systems are characterised by their clear, powerful reproduction of bass frequencies. All models are fitted with top-quality speakers. The compact housings are made from high-quality multiplex birch wood and are available in all RAL colours.


XS-4 passive

electro-acoustical features  
acoustic design ATD acoustic design
components 1x 18“ long excursion, neodymium
power rating 800 W / 1200 W*
Sensitivity 99 dB
SPL max. 132 dB
frequency range 35 Hz – 130 Hz
enclosure multiply birch plywood
protection grill metal, powder coating
standard colour black, textured lacquer
front design acoustic foam
dimensions (W x H x D) approx. 59 x 60 x 68 cm
weight approx. 38 kg
wheels detachable 4-wheel board
handles 2 side handles, M20 thread for pole mount
connector 4x NL4 Neutrik Speakon
optional features  
optional colours all RAL-colours
weather resistance scratch-proof polyurethane coating
*Peak, 20ms  

Transport covers

Padded high-quality covers.


Frontprotector multiply birch wood, 15 mm, with butterfly locks.


Distanzrohr mit M20 Gewinde

18“ Highpower-Subwoofer

Highpower 18“-long excursion subwoofer in a special acoustic design enclosure with precise and powerful low frequency reproduction. Rear loaded double chamber resonator. High quality multi layer multiply wooden enclosure covered with a robust black 2-component lacquer. Foam covered, ball impact resistant front grill and optional transport cover at the front. Transport board with 4 wheels at the back and 2 side handles. M 20 thread at the top for pole mount. Optionally available in all RAL-colours.

electro-acoustical features:
acoustic design: passive subwoofer, rear loaded double chamber resonator
system components: 1x 18“ long excursion
power rating (nominal): 800 W
power rating (peak): 1200 W
nominal SPL : 99 dB
maximum SPL: 132 dB
frequency range: 35 Hz to 500 Hz
nominal impedance: 8 ohms

enclosure: multiply birch plywood
protection grill: ball impact-resistant protective steel grill, powder-coated
connections: 4x Neutrik NL4 speakon
standard colours: textured finish black
frontal design: acoustic foam
dimensions (W x H x D): approx. 59 x 60 x 68 cm
weight: approx. 38 kg
wheels: detachable transport board with 4 wheels
handles: 2 handles
pole mount: M 20, for speaker pole

optional features:
optional colours: all RAL-colours
weather resistance: polyurethane coating, membrane impregnation

make: Fohhn Audio AG
type: XS-4 passive
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