Question about Bose Lifestyle 30 System

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Lifestyle 20 bose

I dont have the main unit is it possible to make the sub turn on without it?

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  • Anonymous Mar 27, 2014

    However I recken the highs are very weak which leads me to believe something in the circuitry is causing both anomalies , I have it on almost full highs and back the sub off to under half and still its muffley ! which do you think?

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By main unit i assume you mean the head unit or the CD control unit.

the answer is YES,

bose sell a part that will conect your ipod to you r bass box direcly ( or at least they used to) it was not passily powerd by the ipod however as the i pod can't maintain the current necessary to sustain the power up of the amp's control circuit. so it was powered externaly.


the answer is. you need 5 v dc at 500ma capacity on the centre pin to power up the bass module and thus bring the bassbox to life, the remainig pins carry L/R and a control voltage to adjust the volume, i will need a bit of time to find out which pins exaclty do what, as i cant remeber off the top of my head, but i'll bet you'll find the answer on a diagram if you do a search on the web. please also note that the 5vdc can also be varied between 1.5vdc and 8.5 vdc to adjust the volume of the bass box and the system overall, and so that is the major problem for you to solve if you want to build your own amp. ( maybe get your hands on a second head unit ( CD 20 ) cheap on ebay or something or spalsh out and buy a remanufactuerd one from bose. but maybe thats not what you had in mind .
:-) have fun.


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