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Application #3 – Adding Subwoofers (Adjusting HPF & LPF Filters continued)
When using the P1500X and P1800SX together it is important to know how to set the HIGH PASS FILTER switch on the
P1500X and the HPF THRU & LPF SUB switch on the P1800SX so that both speakers work well together. Fortunately, this
system is designed so that the user can route the audio source to either the P1500X or P1800SX depending on the
situation. The settings below have been provided for either setup.
SIGNAL FLOW
TOP (P1500X) to BOTTOM (P1800SX)
SIGNAL FLOW
BOTTOM (P1800SX) to TOP (P1500X)
RECOMMENDED SETTINGS
P1500X: High Pass Filter is ON
P1800SX: HPF THRU & LPF SUB is ON
P1500X: High Pass Filter is OFF
P1800SX: HPF THRU & LPF SUB is ON
NOTE: Using a standard speaker pole, the P1500X and P1800SX active subwoofer create a complementary
system that is easy to setup and transport.