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_1601027_2 (headphone_class VARCHAR, headphone_model VARCHAR)

### Question ###
Name the number of headphone class for sr100

### Accurate SQL ###

SELECT COUNT(headphone_class) FROM table_1601027_2 WHERE headphone_model = "SR100"