B-Line

Here comes the Boom.

B-Line Here comes the Boom. In a world of sound with B-Line subwoofers, every note is experienced with precision and astonishing depth. With their impressive sound spectrum, B-Line subwoofers create an acoustic experience that is not only heard but also felt. The boom of the B-Line creates an unforgettable sound experience.

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Made for every sound reinforcement.

In mobile sound reinforcement, you must always be prepared for various events and plan and implement customised sound solutions in installations. Therefore, our B-Line subwoofers offer not only a powerful foundation but also flexibility and adaptability. From compact models for small and medium applications to powerful subwoofers for large stages. With the B-Line, we always have a perfect solution for a system setup.

15" – The Space-Saver

The most outstanding feature of the models with a 15″ woofer is their easy handling during setup and transport, combined with impressive output performance in operation. By the way, this 15″ subwoofer is available not only in the passive version B 15 and the model B 15A with integrated amplifier and DSP but also as a flyable version B 15A FS. Thus, you can have real bass even in a flown system.

Size	15"
Voice coil	3"
max. SPL	up to 136 dB
Load Capacity (passive)	1,600 watts peak
Power (self-powered)	800 watts Class-D amp

18" – The Golden Middle

The 18″ woofer, in combination with the strong 4″ voice coil, achieves up to 138 dB max SPL and reaches down to 29 Hz. The passive B 18 can handle up to 2,400 watts (peak), and the B 18A with an integrated amplifier and DSP is driven by 1,600 watts. Ergonomically optimised handles on each side ensure quick and safe transportation and setup of the subwoofer.

Size	18"
Voice coil	4"
max. SPL	up to 138 dB
Load Capacity (passive)	2,400 watts peak
Power (self-powered)	1,600 watts Class-D amp

21" – The Full Load

The massive 21″ driver with its powerful 5″ voice coil rumbles with up to 142 dB max SPL down to the deepest depths – from 26 Hz, it is the bass authority in our line-up. Handleable up to 4,000 watts (peak), the B 21 delivers enough power for grand setups. Despite its higher weight for maximum operational stability, it is easy to manoeuvre thanks to the two conveniently placed handles on both sides. Our largest subwoofer model is also available with an integrated DSP power amplifier, just like all B-Line models.

Size	21"
Voice coil	5"
max. SPL (passive)	up to 142 dB
max. SPL (self-powered)	up to 139 dB
Load Capacity (passive)	4,000 watts peak
Power (self-powered)	1,600 watts Class-D amp

Bass-Array
in Flight Mode.

The B-Line enables a new dimension of sound installation – flying and free. The flyable subwoofers deliver excellent performance not only on the ground as a ground stack but also in the air with impressive bass. Perfect for all setups and conditions that do not allow or foresee subwoofers on the ground.

Simple System Setup: The integrated DSP amplifier perfectly drives the woofer and enables extensive system and sound adjustments. With the B-Line, alignment with SE AUDIOTECHNIK point source speakers and line-arrays or setting up a cardioid or end-fire bass array is done in just a few steps.

Optimised Airflow.

B-Line subwoofers are meticulously engineered to reproduce the lowest tones with impressive clarity. The air movements in the bass reflex system have been optimised in minute detail to ensure consistent and powerful performance even at the lowest frequencies. This guarantees low-end that completes every musical experience.

Adaptive Port Technology

This technology optimises the airflow through the subwoofers, enabling even and powerful bass reproduction even at the lowest frequencies. This ensures a clear, undistorted sound, even at the lowest frequencies.

Extended Dynamic Range

The design and technology of the B-Line subwoofers achieve an extended dynamic range. This means that both very quiet and extremely loud signals can be reproduced without any loss of quality, ensuring a dynamic and lively sound experience.

Low Distortion

The B-Line subwoofers are designed to significantly reduce unwanted noise and distortion. This is particularly important in the low frequency range, where distortion is often a problem due to the high power and air movement. This ensures a clean, precise bass.

M-F3A PRO

Perfectly Equipped.

The M-F3A PRO is an ideal complement to the B-Line, developed for a harmonious sound balance between deep basses and clear highs. Its compact dimensions make it the perfect choice for professional installations and mobile sound reinforcement.

Together, the M-F3A PRO and B-Line offer a perfect listening experience.

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Depths at the Highest Level.

Simple and Flexible

The B-Line subwoofers in the sizes 15″, 18″, and 21″ are available in both passive versions and with integrated DSP amplifiers. Their simple handling, easy transportability, and maximum flexibility allow them to be used as a ground stack, bass extension, or bass array. And with the B 15A FS, flown bass arrays can also be realised.

Great Sound

The B-Line subwoofers combine a compact design with practical features and modern technologies for dynamic and authentic low-frequency sound reproduction. The DSP amplifier enables easy and quick alignment with point sources and line arrays as well as convenient setup of various bass arrays.

Optimally Tuned

The B-Line from SE AUDIOTECHNIK guarantees an impressive and transparent sound together with our SE AUDIOTECHNIK loudspeaker systems. The B-Line can be combined with the CV-Line, COX-Line, L-Line, M-Line, and SMX-Line to form a monitoring system, mobile PA system, or installation system. The systems are easily scalable and modular.

Experience the B-Line in AR.

Thanks to augmented reality technology, you can view B-Line in your own space and get an idea of how it fits into your environment. Simply move your smartphone or tablet around the B-Line.

Scan the QR code and try it.

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Discover more about our B-Line and dive into the depths of a special sound world.

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