Originally posted by beez7777
i don't see why the iSub wouldn't work, it's usb. as for the pro speakers, i'm not sure if the powerbooks hav the pro speaker minijack. i'm pretty sure they do, but could anyone verify this?
Originally posted by BenderBot1138
some good points though iJon... I use the Sound Sticks. they'll cost about 60 dollars more than the Pro Speaker/iSub combo, but you'll get amazing performance from 44 Hz to 20 kHz. They work perfectly with the Powerbook line (and many other Macs).
I'm guessing you own Pro Speakers already and are using them with your minijack? If that's the case, then you should be able to add an iSub, but be sure to check here for more info about why - there's bound to be someone in the know about why in the next couple posts here. If you're just contemplating a combined purchase of Pro Speakers with an iSub to work with your Powerbook, consider going the SoundSticks Route. A few more dollars, but your friends and family will definitly go oooooo as you produce amazing sound quality and power on your Powerbook.
Above all, make sure the speakers you choose are recommended by Apple and meet Apple's Specifications.
Disclaimer
Human hearing is capable of usefully hearing sounds from 20 Hz to 20 kHz. Sounds above 90 db can cause permanent hearing loss through mechanical damage to to the inner ear.
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