Matrix Audio has just released their 2 new family members in M-Stage series- HPA-3U & HPA-3B. Both of their have delighted new functions and aiming for different needs of audiophile.
This HPA-3U is an revolution from the previous version HPA-2 USB but now is more delighted with XMOS U-series chipset which mean it can support DSD playback up to DSD64. And moreover, it come to more admire that now it can support most Android device as well as iOS device, which mean you can play your music on your smartphone via this headphone amp.
The 2nd new member is the HPA-3B, this is a fully balanced headphone amp which supported XLR input and single ended output. And I am sure it will not disappoint the Audiophile.