An LM386 with caps and a 2n2222 will work.
Use the 2n222 as a switch and lm386 as an amp.

Andrew
PS: That's what I use in my lightwave transciever.
ARS: N1YEW

On Thu, 23 Mar 2000 01:02:57 +1200 Jinx <joecolquitt@CLEAR.NET.NZ>
writes:
> Hi, any suggestions for a low power audio amp for a battery
> operated unit. 1 or 2W, 5 to 6.5V. Discrete or IC, desirably well
> below 1mA quiescent or, better, one that can be powered down
> when not needed

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