Quote:
Originally Posted by DaleDe
Speakers don't draw power directly but generally you will need to turn up the volume to drive speakers to get a sound you like. This extra volume will reduce the battery life a bit. Speakers tend not to be as efficient as ear buds.
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That makes sense. I have tried a few different versions of "passive speakers" and some were better than others. The no-longer-manufactured Sony TP1 was the best of the ones I tested.
These days, I use it with a Sony iPod Classic (sadly, also no-longer-manufactured). It's my one-and-only iThing. On weekends, I might have it going all day. I put it on a charger when I go to bed.
I've never tested it with my phone.
And I've never tested it both ways (passive speaker vs headphones, or even passive speakers vs. powered speaker) to say how much juice it drains.