My Blinder is a couple of month old. Yesterday when it had been on for about 2 mins, the speaker started emitting a very high pitched whine. Not as loud as the alert, but u can hear it in the car. The LED stays green and if I do a switch off/on, the test seems OK, with the LED going Red, then green with normal alert from the speaker. It then finishes it's alert, then starts this whine again.
I am guessing it's just a slightly faulty speaker? and nothing wrong with the jammer. Can anyone confirm and also can I just simply replace the speaker with another similar one, available from local electronics shop?