Do you know what sounds better than one ZO? How about two ZOs! Check out this guide to get step-by-step instructions on how to double amp using two ZOs and take audio nirvana to the extreme.

Do you know what sounds better than one ZO? How about two ZOs! Check out this guide to get step-by-step instructions on how to double amp using two ZOs and take audio nirvana to the extreme.
We’ve recently had a couple ZOwners comment on the new ZO’s sound quality in regards to bass. So we decided to break out our test equipment and run some frequency response plot comparisons on ZO, ZO 2.1, ZO 2.3 & ZO FS under various loads (which represent common headphone/IEM loads). Check out the results below.
Specs are a reasonable starting point for beginning a comparison between audio products, but they are only one piece of the puzzle. Consider all of your wants, needs, and desires, and correspondingly the relevant factors associated with a given product, then obtain as much information as feasible before making a decision. Not being impetuous might save you regret, frustration, and money, not to mention ending up with a product that looks good on paper but in the end only looks good on paper. Personally, we’ve sampled, tested, and listened to thousands of audio components. To construct an audio product based on component specs alone does not guarantee good quality sound. It’s not only about specs, but component values, materials, construction, compatibility, and proper integration. That’s what makes the difference.
Continue reading
We’re so excited to announce the upcoming release of our third product, the ZOFS (aka, ZO3) headphone amp (“FS” is for SmartVektor “FullSpec” technology). An obvious succession to our first two products, ZO and ZO2, the ZO3 has been a long time coming. While we aren’t ready to divulge all the specs yet, we can give you an in-depth look into the design of the product.
Continue reading