Music Systems

World Class Performance

Extraordinary Value

Our passion for purity in music reproduction has driven us to design and build no-compromise stereo equipment since 1993. Forged from our fully-balanced, zero-feedback designs, we innovate new technologies and implement them in the most affordable way possible. Whether you are looking for the best system for music streaming, a USB DAC, a phono stage, or an incredible integrated amplifier, find an Ayre Dealer near you and change the way you listen to music.

High End Music System
QB-9 USB DAC Upgrade Board

QB-9 USB DAC—Twenty Upgrade!

The best value high end USB DAC of all time just got a lot better! The QB-9 Twenty update is a significant improvement to our most popular product. The Twenty upgrade for this USB DAC is more than just the new ESS chip and improved clock. This upgrade includes a vast amount of improvement taken directly from our top of the line R series. The  Diamond output circuit improves musicality and bass response. Our new JFET differential stage lowers the noise floor and the AyreLock power supply regulation improves rendering of fine musical detail.

QB-9 Twenty—Upgrade Reviews

“I received my unit and just gave it a several hour workout. Sounds fabulous! I love all the nuance and details I didn’t hear before. Don’t know how you did it, but some of the best money I ever spent. Thank you.”   –David T.

“OMG is this update audio candy!!  I’ve never done an upgrade that was this satisfying. THANK YOU so much for making this possible!”   –Bob L.

Ayre QX-5 Review by Stereoplay (Germany)

In terms of engineering and especially sonics this American-made DAC is beyond compare. Many products sound coherent, especially in this price range. But the QX-5’s spatial depth and imaging rank among the best anywhere, regardless of source. –Stefan Schickedanz, Stereoplay   This fantastic review of the QX-5 DAC...

QB-9 Twenty USB DAC Review

The QB-9 Twenty visits Audiophile Style for a musical extravaganza!! "The QB-9 Twenty really surprised me by how great it sounds in my system. I say surprised because I've been listening to reference level DACs for quite a while... the QB-9 Twenty absolutely held its own against these...


  • Ayre Acoustics’ QX-5 Twenty is one of the finest-sounding, most versatile digital audio products I have had the pleasure of using.
    -John Atkinson, Stereophile