How to test these speakers?

[Waterworks178]

I want to give this speaker and amplifier a quick check before I sell them, I know nothing about them , how do I test it for basic function ?

I have 12 v power supply from my solar battery bank.

 

[bertus]

Hello,

I would not buy your speakers.
It looks like the left speaker has been abused.

Bertus

 

[Martaine2005]

Have a look online for the installation instructions for the V12 amplifier.
Although it’s very simple to wire it and test it, reversing the polarity can also easily damage it.
There are three connections (GND, REM and B+). GND is battery negative, REM is remote on from a head unit and B+ is battery positive.
Ch1,2,3 and 4 are speaker connections. Each speaker connection has a + and -. Don’t worry about the ‘Bridge’, it’s not important here.
What is important is the connections on the rear of the speaker cabinet. Can you show a pic of the rear?