digital dsp

I just purchased the Edifier s2000 mkiii speaker set. I find the sound is greatly improved with a dac from my computer or tv optical out dac. With a outside dac the sound is much better than the internal one. The optical cable which comes with it is inferior and the electrical cable is short...

Hi everyone, I'm looking for a small low-cost DSP (less than 200 euros) to only manage the equalization of two or three subwoofers. I saw the t.racks dsp 4x4 mini pro. Seems like he can do the job with dignity. Has anyone tried it? Are there any differences in sound quality between the non-pro...

Does anybody here except me care about these? I use an RCF DX 2006 as part of an in-home active system, which is a bit unusual; but for DJ use they are quite popular (think: DCX2496).