low cost DSP to improve bass

[Hydrogen Alex]

Optimization of a Subwoofer Line Array with MSO - DSP, Room Correction, and Multi Channel Audio - Audiophile Style
and
Multiple Subwoofers: Optimize Them With Multi-Sub Optimizer Software

These are interesting examples of how low-cost DSP (JRiver on a midrange laptop)plus low-cost / free third party software can massively improve the bass performance of even high-end home cinema installations.

 

[DorinD]

Another one: DAYTON AUDIO DSP-LF Low Frequencies DSP Controller - Audiophonics

 

[markdonnaharris]

I have used MiniDSP to good effect. Very flexible and easy to configure