two used cards in uknown condition We have no way to test them, and they have been sitting in the drawer for a number of years . These are not the cards for the E-mu These are for other equipment uknown . These are a rechargeable card . These do not have an internal battery . These are very specific to the users needs so do not buy unless you know what it is . There is also the risk that they do not work . Priced accordingly .
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