I might be wrong , or i might get something better or of the same quality here in pak too , so its always good to have an expert advice ... there is nothing wrong in it !!
its a custom made Quad Mono amp with a single heatsink. it contains two dual monos which are 2 x 150w rms each, so it is 4 x 150 wrms. it can bridged either of the dual monos but it provides about 500w rms bridged at 4 ohms, ie 2 x 150w rms + 1 x 500w rms.
app iphone 4s use kar rahay hain jo used main 40 thousand ka aata hai aur ager new lia ho ga wo 50 thousand plus ka ho ga .... ph per baat he karni hoti hai to 1100 lay lo itna fazool karchi ki kya zaroorat hai 
Dont bring these amp mate
.... i wish i could be mcIntosh , sinfoni or brax :!!