Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_43 ( earpads VARCHAR, succeeded_by VARCHAR, construction VARCHAR, sensitivity__db_ VARCHAR )

### Question ###
What are the earpads of the headphone with a plastic construction, an unknown sensitivity, and was succeeded by sr325?

### Accurate SQL ###

SELECT earpads FROM table_name_43 WHERE construction = "plastic" AND sensitivity__db_ = "unknown" AND succeeded_by = "sr325"