Dual 18" Band-Pass Subwoofer

Compact Dual 18" multipurpose high output subwoofer, for a very wide range of configurations of both professional portable sound reinforcement, touring and premium installations, providing surprising power-density and a truly compact dual 18" configuration. Compatible with the BASSO rigging accessories for flown/stacked configurations.


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.
BASSO36t is compact Dual 18” multipurpose high output subwoofer for a very wide range of configurations of both professional portable sound reinforcement, touring and premium installations.
Like All IDea Loudspeakers BASSO36t is built with the necessary structural strength and finish quality required for durable touring use. Its high quality 18 mm birch plywood enclosure covered with IDEA Aquaforce custom paint solution and a 2 mm steel front grill will keep your equipment safe and brand new after hours of heavy touring.
BASSO36t features four integrated handles and two 35 mm pole mount sockets for vertical and horizontal set-ups. Optional wheels kit is also available. BASSO36t features pre-installed inserts for (optional) BASSO rigging frames for ground-stacked configurations.


  • High output 5th order Band-Pass design
  • Flyable subwoofer
  • Premium European High Efficiency custom IDEA dual 18” transducers
  • Dual Neutrik NL4 connectors
  • 4 Ohm Passive
  • Rugged and durable 18 mm birch plywood construction and finish
  • Durable paint coating process, available in standard textured black or white
  • Optional RAL colors (on demand)
  • Four integrated handles and two 36 mm pole cups (V/H)


  • 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
Enclosure design Band Pass
Transducers 2 × 18″
Power Handling (RMS) 2.4 kW
Nominal Impedance 4 Ω
SPL (Continuous/Peak) 135/141 dB SPL
Frequency Range (-10 dB) 45 – 120/150/180/200 Hz
Frequency Range (-3 dB) 54 – 100/120/145/160 Hz
Dimensions (W×H×D) 900 × 600 × 850 mm
Weight 104 kg
2 × Neutrik speakOn NL-4 in parallel
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 2 skates
Installation 36 mm Pole mount sockets (H/V)
Accessories Riggin Frame (RF-900)
Riggin Frame adaptor (RF-9060)
Riggin System (RS-BASSO-L)
35 mm Pole (P-21336)


* Specifications may be subject to change without notice.


Spare Parts

Spare Parts

  • S18-41-8 | Woofer 18″
  • R-S18-41-8 | Membrane for woofer 18″