Detail 01
Sealed active DSP design
The subwoofer uses a closed-box design with DSP control.

Independent shopping perspective
Built for Dynaudio professional monitoring systems, the TrueBass 18S adds a DSP-controlled low-frequency section to two-way setups. Select the Dynaudio monitor model in the display and menu system to tailor its roll-off for that pairing, then use delay and the three-filter parametric EQ to address timing and room modes. Twin MSP+ Hybrid Drive woofers and a 500W Class-D amplifier provide the subwoofer section, while XLR and RCA connections support different studio signal paths.


Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
The subwoofer uses a closed-box design with DSP control.
Detail 02
It can be connected through balanced XLR or unbalanced RCA signal paths.
Detail 03
The low-pass setting can be adjusted or selected from presets.
Detail 04
Phase can be set to either 0 or 180 degrees.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is designed to match Dynaudio Pro Studio monitors from BM Classic and LYD upward.
Yes. It has two balanced XLR and two unbalanced RCA phono inputs and outputs.
It has a three-filter parametric EQ intended to defeat room modes that can affect recording accuracy.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.