Hi ! Trying to find out where to connect a phono / jack cable to use this bluetooth active slave 150w speaker. There is no way to connect to this speaker without the main unit and I only have the slave. I opened it up and hoped to figure out where too connect , any experianced out there that can guess just looking at it ? Looks like there is a powerboard in the buttom and the 150w amp connected too it . Is it only to connect to the ribbons that goes to the amp ?

 

Did some meshurements to day and when i tutch with the meashurment probe in one of the first connections on the band the tweeter clicks. First two connections is 2.48volts then next 6 is zero and two last is 11.88volts.

 

The PCB in the photo has at least one connector that might possibly be useful.
BUT the photo does not provide any view of any markings at the connector.

Besides that, we see photos that show three PCBs, but we do not see any of the connectors on those, nor do we have any hint of what any of them are.
To be able to recommend a connection point we need to be able see the various connection markings.

 

It is quite an impressive assembly. But consider that there is a whole lot more there than just a 150 watt amplifier, and we have no complete description of the functions. ALSO, we have no views of the legends identifying the different connectors. With no information no suggestions can be made.