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Product overview
XS-4 active
X Series
XS-4 active
The XS-4 active is a single 18" subwoofer with built-in class-D amplifier and Fohhn DSP. It provides optimal support to the speakers in the X, Linea, Arc and Focus series in the bass range. The powerful Sub is characterized by precise low-frequency reproduction, a high power rating and versatility.
Main features
- 18" long excursion driver
- Digital 1500 W class-D amplifier
- SPL max.: 132 dB
- 2 balanced signal inputs (XLR/jack plus link-out)
- 2 × Speakon outputs for passive tops and additional sub
- Built-in DSPs with speaker presets, EQ, delay, compressor/limiter, etc.
- Control via intuitive control panel with display or Fohhn Audio Soft
- High-quality wood enclosure (multiplex birch plywood)
- Transport cover with 4 swivel castors included
- Available in RAL Classic, NCS or Pantone colours on request
- Optionally available with weatherproof PU coating
- Lightweight, only around 39 kg
Colours
Technical data
Electroacoustic features
acoustic design
ATD acoustic design
components
1 × 18" long excursion, neodymium
maximum SPL
132
amplifier output
1500 W
frequency range
35 Hz – 130 Hz
Features
Optional features
Electronic features
Controller
Remote control and remote monitoring
Connections
integrated digital power amplifier
power rating (nominal/program): according to IEC-60268-5 (long term/short term)
power rating (peak); maximum SPL: peak, 20 ms with bandpass filtered pink noise signal according to IEC 60268-2 at one octave above the lower limit of the frequency range
sensitivity: 2,83 V at 8 ohms (2 V at 4 ohms, 4 V at 16 ohms) at a distance of 1 m under anechoic fullspace conditions
frequency range: -10 dB under anechoic halfspace-conditions
weight: net weight without optional equipment
Intelligent Protection Circuit (IPC): voltage-controlled semiconductor circuit protecting the HF-driver against overload highly effective and with very short attack time
cut-off frequency: -10 dB under anechoic halfspace-conditions with speaker preset
heat dissipation: pink noise, 6 dB crest, 1/4 Pmax