X-Sub - Cinema subwoofer

X-Sub - Cinema subwoofer

Impressive power

High-power solutions based on pro-audio experience

Heavy duty

Rigid anti-resonant extremely efficient cabinets


Long-excursion own produced low-frequency transducers


Designed to fit into modern cinema audio standards

Don’t mess with this guy. X-Sub is your extremely opinionated answer to “We need more lows in the theater“. Hi power, long excursion 21” subwoofer in ultimate enclosure gets as low as it gets. That nuke’s going to blow, by the way.

Product description:

Cinema subwoofer

Main features:

  • 1600W nominal power;
  • 21” woofers with 4,5” voice coil;
  • 136 dB Max SPL;
  • Efficient vented box design.

Type Passive cinema subwoofer
Acoustical & Electrical data
Frequency range (-10dB) 22 – 200 Hz
Max SPL (peak) 136 dB (calculated)
Sensitivity (1W/1m) 98 dB
LF Transducer 21”
Impedance 4 / 8 Ohm
Nominal power * 1600 W
Program power 3200 W
Peak power 6400 W
Connections and physical data
Connectors Barrier strip screw terminal
Dimensions (WxHxD) 790x1260x600 mm
Net weight 82 kg
Shipping weight 91 kg
Enclosure materials Plywood; wear-resistant paint
Color Black

* Based on 2 hours power test, IEC filtered pink noise, 6 dB crest factor