Hi, the mA rating for this power adapter is 1500 mA !! I'm gonna give you all the specs. you need to order a new one, and I'm gonna tell you where you can order a new one at; at your preference ?
POWER SUPPLY/POWER ADAPTER TRANSFORMER FOR:(WALL PLUG IN)
BOSTON ACOUSTICS MICROMEDIA SYSTEM 7000596
2.1 SURROUND (2 SATELLITES) (1 SUBWOOFER)
MODEL # WK1201A5-1 AN (THIS IS THE MODEL # FOR THE PLUG)
I/P(INPUT) 120 VAC 60 HZ / 23 VA
O/P(OUTPUT) 12 VAC 1500 Ma
This is all the info you need to order a brand new one in the box.
Go to www.emtcompany.com
and in your search box punch in the model # wk1201a5-1an. they cost 29.99 new but its worth it for a great sound system. good luck and I hope I helped a bit
steve - if you have any further questions, i will be glad to help out, you can email me [email protected]