The bottom right has the serial with the "POWER" next to it. My firmware also says Rocoo-D as well. So far so good with M-Audio Q40 headphones at about 25-26 is pretty good. UETF10 also sounds great if you have a good seal. Bass is solid and the highs are clear. I am impressed with the sound...

I received my unit today. Jack from Hisound email me the tracking number on Monday and send it out on Saturday. Everything arrived as expected and in good working condition. So far, I am satisfied with Jack's customer service/response and the quality of the product at first glance is excellent.

I also am excited to receive the Rocco-P for christmas. Would love to see how these sounds with the UE TF10 as well. advan

Haven't had enough time to burn-in or do a real comparison between the two cables. If anything I don't think it could be worst. The main benefit is having an economical, durable, flexible, attractive, shorter cable. The cost for a threaded 3.5mm jack is already $6-$7 bucks. I like the nylon...

Just got my M-Audio Q40 for $119.50 with an $9 replacement cable from Amazon. I cut out the rubber 3.5mm rubber housing to make it fit. It looks and works great with a shorter 6' nylon braided cable. The bass, sound quality, fit, finish and isolation is very good. I was going to get a Audio...

Just got my M-Audio Q40 headphones today and WOW. Totally love it. After reading through all the threads about the Q40 cable, I thought about how I could substitute the cable without spending a fortune. Turns out that Amazon has some nice cables that I could modify to fit into the Q40's...