Where can I  order 2.5mm Mini TRS connectors for a Hifiman HE400s diy cable in EU?   Thanks:)

I would like to connect my Mac to a Lead Audio NF DAC-384 using a 7m USB cable I also have an iFi USBpower so the power supply would be separate for the USB signal Before I go and search for a quality 7m USB cable is this even possible?

Can anyone tell me if there are any headphones that use two mini XLR 3 pin connectors....[similar to the Audeze system but 3 pin mini XLRs insteadof 4 pin]

I am looking at a sub for my Adam Artist 5 monitors.   I am looking at the Adam Sub7 [or Artist sub7] which I assume are identical except maybe the finish.   Would I be better off with the Sub8 and its lower bass extension?   How would be the best way to connect this sub? Should I connect...

http://www.ebay.com/itm/Battery-Tube-Only-Headphones-Amplifier-For-Sennheiser-HD-580-600-650-Beyer-DT880-/330937361396?pt=US_Pro_Audio_Amplifiers&hash=item4d0d6763f4   and free shipping!!

Can a normal RCA interconnecting cable be used to connect a DAC to a digital source at the SPDIF input?

What Mac program and iPad app do you recommend in order to stream Flac files from an iMac to an iPad2 without losing any native resolution of the Flac files?

What is the best program for converting .wma files to .flac on a Mac?   XLD and Max cannot do it...anything else out there suitable which will preserve the files and rip some good flacs?

Does anyone know the specs and make for a battery replacement for the Headroom Portable Micro Amp\DAC?   Where could I order one?    

I am trying to play 192kHz FLACs into a Quattro Dac using the Toslink mini output from a new iMac.   It can only select up to 96kHz in the Audio Midi setup panel under "Built-in output" so the iMac must be downsampling to 96kHz   I am using Decibel to play the Flacs from the iMac.  ...

Is anyone using Fidelia on Lion OSX successfully?   Mine skips and halts quite regularly...not a pleasant experience.   I see Amarra is also not fully functional...any other players recommended on Lion?

I am using Fidelia to play FLACs from my iMac 27" into an E-MU 0404 USB.   I am currently connected to the EMU using a USB cable but I see the iMac has a digital out option on the speaker\headphone.   Should I rather use the S/PDIF option and what cable do I use? Will a mini-jack to RCA...

I am looking to upgrade my E-MU 0404 USB with a better DAC. I use Fidelia on my iMac to play Flacs into a Mapletree EAR Purist HD and HD800s. Any advice and any good 2nd hand DACs for sale?

Can the outputs on a valve pre-amp drive a headphone like the HD650 or EtyER4? I know it's a silly question but I often wonder about it. And can a SM3 headphone amp be used as a pre-amp?

I have owned quite a few Xin amps over the past year and have progressed form a Supermini V5 to V6 , V6.2D, Supermicro V6 and Supermicro V7. Dr Xin kindly sent me a SUperdual for appaisal and all I can say is....how much better can these amps get! The biggest leap for me was between the...

Had a problem with the seal using the silicon tips. Just could not get them to work. The supplied foamies were better but only lasted a few listening sessions before they got irrevertibly squashed and would not seal properly. I ordered a sample set of the large foamies and the seal is good but...