My iFi iLink Micro came in two days back. I had some social commitments on saturday night, and an early rise and day-long trek in the hills on sunday. So I was able to open the box, set it up, and settle down to some music just yesterday night.
The box comes with:
1) An iLink.
2) 4 paste-on silicone feet.
3) A short USB cable.
4) A short lockable BNC - BNC cable.
5) A pair of RCA plugs that can be slotted onto the BNC plugs to convert the cable to a digital coaxial cable.
6) A short optical cable.
7) A very short pictorial quick-start guide, and warranty card.
The iLink itself is a very compact and well built device, with a full aluminium body. One end has a single USB - B socket. The other end has two digital coaxial outs, one is a high level digital out, and a normal level digital out (meant for use with 'older' chips like Wolfson). Next to the digital outputs, there's a toggle switch that turns the JET (jitter elimination tech) on and off. Next to the JET switch is a digital optical (TOSLINK) out.
The top of the device has three LEDs that indicate connection/power status, JET on/off and playback status. The device draws power from the PC via USB.
Setting it up was simple enough. I downloaded the driver from the iFi Audio website. It uses the same driver as the AMR DP777. The installation required the iLink to be plugged in, and took just 3 minutes or so. I then made the iFi iLink the default sound playback device in the Windows sound settings, and made sure that it was available for exclusive access. I also changed the default playback device to the iLink in JRMC. I'm using WASAPI Event-Style in JRMC, with their recommended buffer setting. All this took less than 5 minutes.
I made sure that the iLink was plugged into a USB port with the other pair free. The digital coaxial cable was then removed from the Asus Xonar STX, and plugged into the "Normal" digital output of the iLink. I use a Rega DAC, and the "normal" level is what is recommended for Wolfson chips. The other end of the digital cable is connected to the Rega DAC. The Xonar STX has been retired from my PC.
I'm using the USB cable that came in the box for now, and because of the short length of the USB cable, I've left it on top of the Music PC.
I've tried a well-run in iLink in my system a while back, and I liked what it did very much, which is why I went ahead and bought this unit. The iLink distinctly removes a fine layer of grunge from the music. There is a smoother and unfettered flow to the music, and I could also sense an improvement in micro details. Instruments stand out better than they did before, and imaging is more defined. I'm very happy with the improvement this little device has brought about.
Three of the other reasons I bought this device:
1) I could use a USB out from the PC. I'd been using a Xonar STX for taking coaxial digital out from the PC, as my Rega DAC sounds best to me with a coaxial digital input. It does not sound good with a USB input.
2) I wanted to use a better clock than what STX's clock. It does not have a native clock for 44.1Khz and multiples, and it reportedly has higher jitter figures than most DACs.
3) I wanted the STX out of the PC cabinet, so that the cabinet was less crowded, with better airflow and possibly lesser EMI inside. I've disconnected the cabinet fans (and the mobo is fanless), so anything to improve cooling is a welcome thing.
Basically all 3 reasons stemmed from the thing that I wanted to have a better-sounding and sound-card free digital setup that I could use with a smaller cabinet if necessary, and with any other PC/Laptop if necessary, without having to change my DAC.