A good sub will work well for either home theater or music. What might be "good enough" for most home theaters might not be good enough for both however.
Then again, there are folks that take their home theater systems to pretty extreme levels where only the best will do and are just as concerned with sound quality as two channel "audiophiles".
Then again, there are folks that take their home theater systems to pretty extreme levels where only the best will do and are just as concerned with sound quality as two channel "audiophiles".