i have put a speaker on my psp in place of my stock speakers, and a number of problems exsist.

the first speaker is a 8(horseshoe symbol) 1.5W.

it works fine, except for the fact it is not loud what so ever.

so i found a second speaker witch is a 8(horseshoe symbol) .5W

the second speaker is a TAD BIT louder. but it only plays sound for a minute or so, then the psp stops producing sound.

i can connect a different speaker after the sound goes out but then that don't play sound either, untill i reset my psp.

i don't understand what could be the problem, as it should require less power to use.


any help would be appreciated.

defdock Wrote:i have put a speaker on my psp in place of my stock speakers, and a number of problems exsist.

the first speaker is a 8(horseshoe symbol) 1.5W.

it works fine, except for the fact it is not loud what so ever.

so i found a second speaker witch is a 8(horseshoe symbol) .5W

Ohms ~ Ω

won't the .5W speaker break cause the current is 1w more?

idk .. i never payed attention to my electronics class

i don't know.

the .5w produces horible sound... like i hear more white noise then i do music... im thinking of putting the first speaker back on it. but the .5 is more louder, and is clear when it whants to be... its wierd.

So the stock PSP speakers are 1.5w at 8 ohms. If you want more volume you either need to get hold of some speakers with a lower impedance (ohm rating) but that will probably damage the PSP's internal circuitry. If you really want more volume you need to modify the circuitry to output more power. You'd do this by replacing the tiny amplifier that's soldered onto the motherboard. Unless you have access to PCB re-working equipment and you're highly skilled in using it this is a no go. The amplifier chip is about the size of a screw head (PSP size screw not a standard screw) or about 3mm across.

If you were to do that then you'd also need to replace the speakers with ones that can take more power. The original speakers you say are rated at 1.5w which, for a speaker of that size, is pretty bug. Getting hold of replacement speakers that will still fit in the casing will be difficult if not impossible.

You said about the PSP turning off your sound. That's probably the amplifier chip overheating because of the non-standard speakers you put in. Just stick with the standard speakers, buy yourself a decent pair of portable battery powered speakers and be happy.

no, the stock speakers are blown out completely, i don't dont what the rating is on the stock ones. i replaced the stock with a 8ohm 1.5W speaker that works just as fine as the originals(be4 they blew) and i wanted it to be louder so i replaced it AGAIN with a .5w speaker.

im back to using the 1.5w speaker.

i was told of a (lm386???) that i can pick up at radio shack to boost the volume.
but im looking to find a small all range speaker for my mod, cause it will be better in the long run

I suppose you could go from the speaker outputs on the motherboard to the LM386. Wiring it all up though would be tricky. You'd need to find a source of 5v within the PSP (difficult considering the PSP runs on 3.6v) which also means the battery life would be slightly shorter. Soldering up something like this would be tricky at best.

Personally I think you'd be better off building some kind of snap on speaker that clips into the headphone socket.

You can find a pinout of the remote connector here: http://mc.pp.se/psp/phones.xhtml

This shows that one of the pins supplies 2.5v that you could use to power an op-amp to boost the volume. Unfortunately that's not enough to power an LM386. It is however enough to power an LM4877. you could use this to drive a small speaker or maybe 2 small speakers...

I recommedn you replace the PSP's 2 inbuilt speakers with original stock ones so they at least work, then plan and build - if you want to - an external, clip on speaker like the one I've just mentioned.

well... i don't have the remote either. i never had one, and probably will never get one unless its handed to me. the speaker on it is fine it don't cut noise, its only the .5W

and i was thinking about making external speaker set for it, but right now im broke.

and when i said lm386 i wasn't sure what the numbers were, i just posted a random 3 digits, hence the ??? next to it