18" Direct Radiation Active Subwoofer

1.2 kW Medium format, high-density single 18" woofer with extended LF and output capabilities and designed to obtain maximum performance from any amplifier system with contained costs. BASSO18 is truly versatile matching LUA, EXO and VOA Series loudspeaker systems and BASSO rigging accessories, both for live sound and high power installations.


BASSO Series models allow the user to choose the most adequate subwoofer for any given situation from within a family of products with common finish, design solutions and performance philosophy as well as shared rigging and transport accessories.
BASSO18-A is an active 1.2 kW single 18″ direct radiation subwoofer delivering a very natural, linear response in the VLF range from 28 Hz to 180 Hz.
Built with 18 mm Premium birch plywood and fitted with a 2 mm steel grille, this medium format medium format cabinet is finished with IDEA Aquaforce weatherized coating to endure life on the road or stylishly integrate in any installation.
BASSO18-A seamlessly matches with 2-way loudspeakers in LUA and EXO Series maximizing the high-density performance of these systems for a wide range of portable, mobile and install professional sound reinforcement applications, from high power club sound systems and medium size live music events to rental and touring companies.
Optional rigging accessories allow for BASSO18-A to be stacked and flown with RF-600 rigging frame.


  • 1.2 kW Class-D integrated power module by Powersoft
  • 24-bit high-resolution DSP with 4 preloaded presets
  • Bass reflex design with 5th order tuning
  • Premium European High Efficiency custom IDEA Transducers
  • Flyable subwoofer
  • XLR and PowerCON connectors
  • Durable Aquaforce paint, available in standard textured black or white, optional RAL colors
  • (on demand)
  • Rugged and durable 18 mm birch plywood construction and finish
  • 36 mm pole cup and four integrated handles
  • Compatible rigging accessories (optional) for stacked and flown configurations


  • High SPL A/V, portable professional sound reinforcement and touring
  • Flown subwoofer in fixed installations for concert venues and sports arenas
  • Main or distributed subwoofer system in Pubs, Lounges, Bars and clubs
  • Broadcast Studios and Screening rooms
Enclosure design Bass Reflex
Transducers 1 × 18″
Class D Amp Continuous Power 1.2 kW
DSP 24bit @ 48kHz AD/DA
4 selectable active LPF cuts
SPL (Continuous/Peak) 131/137 dB SPL
Frequency Range (-10 dB) 28 – 100/120/150/180 Hz
Frequency Range (-3 dB) 34 – 85/100/120/150 Hz
Dimensions (W×H×D) 600 × 600 × 740 mm
Weight 54.7 kg
Audio Signal Connectors
AC Connectors 2 x Neutrik PowerCON®
Cabinet Construction 18 mm Plywood
Grille 2 mm perforated weatherised steel with protective foam
Finish Durable IDEA proprietary Aquaforce paint coating process
Handles 4 integrated handles
Feet/Skates 4 rubber feet
Installation Top 36 mm Pole-mount socket
Accessories Riggin Frame (RF-600)
Riggin System (RS-BASSO-L)
Wheels (WH-04)
35 mm Pole (K&M-21336)

* Specifications may be subject to change without notice.


Spare Parts

  • S18-41-8 | Woofer 18″
  • R-S21-41-8 | Membrane for woofer 21″
  • AMP-LITEMOD | Power Module
  • HSM-01 | Heat Sink medium
  • PM-LITEMOD (Amplifier + DSP + Interface + Heat sink)