“I bought this Matrix 1000 and a Matrix 6r over 9 years. They both worked perfectly fine with all the presets and sounds working great. I plugged both of them back 2 years ago and noticed that they were no longer working as well as before, losing their original power and now both are barely getting a signal. I talked to a local synth repairman and he told me to change the battery and firmware. I honestly never got around to servicing these machines, so I am letting them go for a very fair price. This (Matrix 1000) comes with the power cord and a new firmware chip as shown in the pictures.” Click here to visit listing on eBay
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