Now that the KX3 can function as a full QRO transceiver with the new amplifier, I find myself a bit disappointed with audio output power. Even with the most efficient speaker I can find, I can't really get a comfortable audio level. So, I'm kind of stuck with headphones to really hear well. Wondering if anyone has tried building a simple audio amp that will power a decent desk speaker. I was wondering if these class "D" modules are worth investigating. Anyone have any ideas?

73, Doug -- K0DXV
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