I mean even if their MH/s rate is low because of their low clocks they are so cheap so maybe they have better MH/$ rate and if their compined into racks of lots of them together then they sound like a good investment.. needless to talk about their imediate availability
If you're serious, this can't possibly work nor could it possibly make any sense. ASICs are made using the very latest technologies to mine as optimally as humanly possible and you need incredible luck to even break even with them. How can you come anywhere close using technology 8 years old that was never meant to hash?
Well it could make sense since one BFL asic chip for example costs 70$per piece if for example I could combine 10 audio chip at 7$each doing half or 1/3 the MH/s rate of a single bfl asic then It would be profitable buying like 1000 chips (which will lower the per chip price) spending a few more K for the board design and you have almost instantly mh power whenever you want to upgrade you have just to make a new order that will arrive in a mater of days maybe weeks at worse.. no 6-9+ waiting time.