The standard speakers in a Jimny are rubbish. Not only that but the drivers side one is prone to getting water on it from both the drivers feet and water coming down the inside of the A-pillar from both Windscreen and Aerial mount leaks.
Obviously I cannot provide illegally copied manuals for download from the Internet. However I have listed the part numbers of the manuals in this article...
and if you type the part numbers into Google who knows what might happen!
(Of course you should really just use the Part Number to buy a legal copy from your Suzuki Dealer - won't you)