Pros: Balanced and SE input-output capabilities, with an additional USB DAC. An auditory upgrade for most people.
Cons: You need to put your smartphone/DAP in Airplane Mode equivalent in order to use it without hearing hisses and pops (RFI and Wi-Fi Interference).
Ray Samuels Audio – The Intruder The Intruder is a fully Balanced input-output headphone/earphone amp as well as a USB DAC by Ray Samuels Audio. I was able to borrow The Intruder from a friend for a couple of weeks, and as a result would like to give my impressions of the DAC/amp, as well as comparisons of the Balanced and SE outputs. I am using my Shure SE846 with Sensaphonics Custom... (read more)