I had the exact same notebook, specifically a p651sg with a gtx 980m, total thickness is 30mm. I shoved a gt70 subwoofer in the dual 2.5'' hard drive bay and wired up the connectors, the black, negative wire went to one speaker and the positive red wire went to the other speaker thus sharing the load on the amp. I passed the wires to the speaker connector through a gap in the palm rest.
I had to melt down the enclosure to 29mm from 40mm and it had so much bass that it actually sounded like a proper stereo speaker system. I went through so much work to get it right as the subwoofer rattled everything in the laptop. Therefore I had to put rubber padding all around the sub. I would say it was worth it but before I sold my system the amp started to fry and the right speaker crackled on high volume, I guess there was too much load on the amp after all.
Fun fact I made half my sub enclosure with normal tape. I slighlty melted it afterwards so the tape would not come off when the subwoofer was on full blast.
It's worth it until the amp can't handle it lol.
For future subwoofer modders: the best subwoofer for size and thickness is either the gt72s subwoofer or the gt70 subwoofer, both will blow the dell l502x out the water literally or any other subwoofers, I've done so many of these mods over two years that my go to sub is the gt70 one when needed to do a mod.
The enclosure doesn't matter the size of the sub, flexibility and wattage matters, more flex = lower hz of bass.
Click to expand...
Problems? See this thread at archive.org.
