• Drivers: 1 × 12" Front | 1x 12" Rear
• Frequency response: 37 - 170 Hz
• Power capacity program / peak: 1500 / 3000 W Front | 1500 / 3000 W Rear
• Impedance: 12 Ω Front | 12 Ω Rear
• Sensitivity 1 W / 1 m: 94 dB
• SPLmax / 1 m: 129 dB
• Dimensions (H × B × T): 350 × 500 × 900 mm
• Weight: 36.5 kg / 41.9 lbs

Key Facts

• Minimal footprint, maximum performance
• Designed for limited spaces
• Perfectly combined with ELLA6 for an entirely directional PA system
• Airflow-optimized port design

B24i – Rethinking the Subwoofer

The B24i is equipped with two 12" speakers, specially designed as a cardioid subwoofer extension for the ELLA6 system. At the same time, it is also the ideal choice for powerful bass extension in combination with other TWAUDiO tops.

The B24i is different

Unlike conventional cardioid subwoofers, which typically feature a large speaker at the front and a smaller one at the rear, the B24i adopts a symmetrical concept: the 12” speakers are positioned at the front and rear of the enclosure.

This design was specifically developed for applications where stage depth is limited due to structural constraints or other requirements. The B24i can be positioned space-savingly with its long side against a stage wall, and a specially tailored preset ensures that both 12" speakers emit sound identically. The wall acts as an additional boundary surface, enhancing sound pressure by an additional 3 dB.

Perfect for cardio operation and flown installations

The B24i can be seamlessly operated in cardio mode, for instance, in combination with the ELLA6. The specially developed high-performance drivers are designed for exceptionally low weight, ensuring minimal load on existing mounting points, particularly in flown applications such as theaters.

For flown setups, two mounting options are available: a bracket for a single B24i and another for two B24i units arranged vertically. The symmetrical enclosure design ensures that speakers and ports are perfectly aligned, delivering consistent and homogeneous sound dispersion.

Compact system with maximum performance

Whether flown or ground-stacked, the B24i, combined with the ELLA6, delivers a directional PA system that covers the entire frequency spectrum in a compact footprint. Its space-saving design ensures no compromises on performance.

With the B24i, TWAUDiO illustrates how standards can be sensibly enhanced using updated approaches.

• Driver: 1 × 12"
• Frequency response: 37 - 170 Hz
• Power capacity program / peak: 1500 / 3000 W
• Impedance: 12 Ω
• Sensitivity 1 W / 1 m: 94 dB
• SPLmax / 1 m: 129 dB
• Dimensions (H × W × D): 356 × 506 × 468 mm
• Weight: 19 kg / 41.9 lbs

Key Facts

• Minimal footprint, maximum performance
• Innovative chassis design enables a lightweight construction of only 19 kg
• Magnetic coupling system for simple and efficient cardioid configuration with two or more B12 units
• Airflow-optimized port design

The B12 is a completely newly developed solution that has been optimized in every detail - from the chassis to the enclosure. As a powerful addition, it harmonizes with our ELLA6 system as well as with M8 and M10, for example, and offers maximum flexibility
for a wide range of applications. Its extremely compact housing houses a newly designed chassis that combines extreme power with astonishingly low weight. The B12 weighs just 19 kg. Acoustically, it is anything but a lightweight.

As a direct radiator in a bass reflex design with flow-optimized, symmetrical ports, it offers dynamic and impulse-true bass reproduction - perfect for demanding and versatile applications. But the B12 can do even more and has an innovative special feature: Two B12 subwoofers can be mechanically connected back to back with a magnet system built into the housing. This creates an acoustic dual 12" subwoofer unit. Simply set it up, wire it up, load the preset for cardio mode and get started. Without any additional measurements. This saves time and allows you to react flexibly and quickly to spatial conditions or artists' wishes. Its concept defines it as a "multifunctional subwoofer" and makes it an incomparable product on the market.

• Configuration:
  LF: 2 × 12”
  HF: 1 × 1.4“ exit with 3” diaphragm
• Frequency response: 65 – 18000 Hz
• Program/peak power handling: 1400/2400 W (bi-amp LF), 220/400 W (bi-amp HF)
  1400 / 2400 W (passive)
• Impedance: 4 Ω (bi-amp LF), 8 Ω (bi-amp HF)
  4 Ω (passive)
• Dispersion angle (h x v): 60° × 40° or 90° ×  50° HF horn, exchangeable and rotatable
• Sensitivity 1 W / 1 m: 107 dB (bi-amp LF), 112 dB (bi-amp HF)
  110 dB (passive)
• SPLmax / 1 m: 143 dB
• Connector NL4 1± HF / 2± LF (bi-amp)
  NL4 1± (passive)
• Dimensions (H × W × D): 706 × 440 × 440 mm
• Weight: 33 kg

Key Facts

• Point source loudspeaker with two 12“ long excursion chassis and a 1.4” compression driver with 3” diaphragm
• 90 × 50 degree or 60 × 40 degree constant directivity HF horn, interchangeable
• 143db SPLmax peak at only 33 kg / 73 lbs weight
• Integrated rigging tracks on both sides with two positions each for using double-studs and a wide range of accessories

The two specially developed 12“ neodymium chassis in combination with the new cabinet design make this horn-loaded top unit suitable for full range down to below 70 Hz. The new 1.4” high-frequency driver with 3” titanium diaphragm reproduces silky highs accurately and with low distortion, even at the highest levels. The standard 60 × 40 degree horn can now be replaced by a 90 × 50 degree horn without the need for any tools.

The T24N is impressive: with excellent speech intelligibility and musicality, as a single box, standing on a tripod or hanging from a truss, in pairs next to each other, one below the other or in clusters with several elements up to a 360-degree application. All this at just “one-man-friendly” 33 kg.

• Drivers: 2 × 15"
• Frequency response: 35 – 200 Hz
• Power capacity program / peak: 2000 / 4000 W
• Impedance: 8 Ω
• Sensitivity 1W / 1 m: 97 dB
• SPLmax / 1 m: 133 dB
• Dimensions (H × W × D): 706 × 446 × 800 mm
• Weight: 38.7 kg

Key Facts

• Horn-loaded bass-reflex hybrid design
• Two highly efficient 15” long-excursion chassis
• High maximum SPL
• Excellent power-to-volume ratio
• Lightweight enclosure: 38.7 kg/85 lbs with eight handles

The hybrid construction of our B30 with dual 15” drivers combines the advantages of vented and horn-loaded systems.

High efficiency, wide range and a low lower cut-off frequency. The sound field coupling occurs over the entire front surface, whereby air friction and flow losses are reduced to a minimum.

The result is an efficient energy transfer with simultaneous controlled impulse reproduction and excellent dynamics. At just under 39 kg, the B30 is a lightweight. It is the ratio of its volume weight to its output that makes this TWAUDiO classic so special.

• Driver: 1 × 21"
• Frequency response: 27 - 125 Hz
• Power capacity program / peak: 3600 / 7200 W
• Impedance: 8 Ω
• Sensitivity 1 W / 1 m: 98 dB
• SPLmax / 1 m: 137 dB
• Dimensions (H × W × D): 706 × 606 × 800 mm
• Weight: 54.5 kg / 120 lbs

Key facts:

• Specially developed 21-inch driver for precise reproduction of lower lows
• Further developed port design ensures maximum precision with minimal distortion
• Horizontal and vertical stackability allows flexible combinations with other TWAUDiO products
• Two operating modes: “Extended Low Frequency” mode for ultra-low frequencies and “Full” mode for direct use with tops such as the T24N or M15
• Optimized presets for directional subwoofer clusters with broadband cancellation (>17 dB) at the rear
• Can be used as a stand-alone subwoofer or for low-frequency extension in mixed subarrays

Precise low-frequency and full-range sub

The TWAUDiO B21 subwoofer enriches the overall sound experience by extending the sound system's frequency range to include the lowest frequencies in the audible spectrum. Whether as part of a large array or as a stand-alone subwoofer in conjunction with a top unit.

With its newly developed 21-inch driver, an optimized port design and 30 Hz tuning, the B21 delivers extremely precise reproduction. And it does so with minimal distortion. No matter whether the fundamental basslines of electronic music are being amplified or the low end is being used to inspire listeners at live concerts, the B21 delivers.

Stack'n'play

The B21 integrates seamlessly into the PA-SYS-ONE with our classics B30 and T24N, both technically and visually, and offers the same mechanical design throughout, with stacking grooves for B30 on both a long and short side. Two spigot holes for vertical and horizontal applications, as well as the use of the existing QDB30 Quad-Dolly, round off the flexibility.

The B21 can do more

It also forms the stand-alone basis for small to medium-sized PA setups. In addition to the normal “Extended Low Frequency” preset, a special “Full” preset has been developed that allows the B21 to be used directly with tops. This preset is designed to deliver the bass impact of a typical 18-inch sub, but with the extended frequency range that only a 21-inch driver can provide. Whether on a small club stage as a B21 / M15 combination or in a medium-sized location with three B21s and a T24N top per side.

Even more possibilities

The B21 is ideal for cardio applications: in directional vertical or horizontal arrangements, broadband attenuation of more than 17 dB is achieved behind the cluster.

In mixed subarrays, for example with VERA S32 / S33 cardio subwoofers or B30 / B18 clusters, the B21 adds significantly low-frequency content, making it a powerful, precise and effective addition.

This makes the B21 the perfect solution for the high demands of today's listening habits in the live and club sector. Its superior design, flexible integration options and precise low-frequency reproduction guarantee a deep, tangible bass that thrills every audience – from small venues to large stages, and with a wide range of set-up and application options.