Looking for Speaker Input

What’s your budget ?  The A5 Magico , a great speaker with discount around $21 k 
 Wilson Sabrina x   MBL 120, or 116
the bigger the budget the more choices ,
your dac is  the front end and For sure a weak link vs stand alone dacs , the Bricasti
there are a lot of great dacs  Bricasti,Aqua , and a bunch of others , a dedicated dac is forsure better  then a multi purpose,dac ,CD player , most of the digital technologies in spent elsewhere ,a dedicated dac is always better .

as audioman has stated, the weak link is you front end - the DAC not the speakers.  In our demonstration room we have been playing with DACs for the past month. Recently hooked-up the Sonus Faber Stradivari Homage speakers.  Sounded excellent but even better when the DAC was upgraded.  Big improvement over the preamp and Class A mono blocks.

OP- If you think there is a weak link in the chain you should describe sound and what you don’t like about it. 

Let me throw an alternative into the discussion. I was shocked but I found really good anti vibration feet an anything can make a huge difference. They worked under every piece of electronics I put them especially under my CD drive(it was a brand new machine). They add clarity, detail, transparency and detail. Plus I haven't done it yet but I've heard the same thing under speakers. Good ones aren't cheap but they're far less costly than new speakers.

If you like a punchy bass and sweet midrange and the capacity to increase treble via increasing upper frequency db , look at German Physik Borderland 4 … it’s an Omni but not like you’ve heard .. great soundstage but with very good imaging.

previously I’ve had Martin Logan’s and before that Linn Isobariks and quads