I know it's pretty late for an update, but I finally got that new power supply in and had time to test it out.   The new power supply cleared out a bunch of the 'noise' that I was hearing with the sound and the overall quality improved greatly. The level before cut-off was still somewhat...

Also, I hope this isn't too much of a noob question, but what do you look for on speaker efficiency?     Quote:     If it helps those speakers are the exact same as Minimus 7's except magnetically shielded and about 10x heavier.

It came with a 12V 2A PSU. I was reading a thread on DIYAudio that a 13.5V 3700mA is more ideal, and if I could get one with a ferrite core all the better.   Of course, the question becomes, where does one find such a PSU?

Quote: Thanks for the advice, I believe you are correct. I hadn't expected anyone to come along with helpful advice so quickly. Thank you kind sir.

I am rather disappointed with it. I just got my LP-2020A+ in the mail today and set it up with the purpose of putting some use back into some older, (extremely) cheap speakers I had laying around. Namely a pair of  Optimus Pro AV7's and AudioSource LS100's.   I didn't have a clue how the...

I know that there isn't too many similarities other than the low budget, but I've been wondering what anyone has to say about these compared to the Monoprice Hi-Fi headphones(MHP-839).   Both low budget sets, but the Monoprice is said to have a very similar sound to the M50, and is more...