Check out this review from Smart Reviews over on YouTiube - some great creativity in this video and it deserves some of your love, so pop over and show your support for those that are putting that little extra to stand out. Watch and like on YouTube More info on the Hengja here and Zeta here. Read more reviews and articles on the Zeta and Hengja Facebook Instagram Twitter Head-Fi Sponsor Page Don't forget to subscribe to our newsletter for all the latest product updates, news and special offers.