An external DSP with EQ, delay, active crossover, and room correction can be a real problem solver, no matter if you have a home cinema or pure music system.
They can help you balance the sound, integrate subwoofers, compensate for room anomalies, or just adjust the sound to your personal taste.
With today's quality of A/D and D/A converters, the is no loss in sound quality. The advantages outweigh any signal conversion.
We have compiled a list of the most popular devices.
miniDSP 2x4 HD
Most likely the most popular DSP of our time. 2 inputs and 4 outputs, very flexible and integration with programs like REW and a million tutorials online, make this the go-to DSP.
DIRAC live version of the 2x4HD
DSPeaker Anti-Mode 8033
Subwoofer-specific automatic correction. Easy to use.
DSPeaker Anti-Mode 2.0 Dual Core
Automatic correction for stereo or dual subwoofers. Easy to use.
the t.racks DSP 4x4 Mini
Thomanns own inexpensive and balanced DSP. 4 inputs and 4 outputs.
Dayton Audio DSP-408
4 inputs and 8 outputs. Flexible and inexpensive.