; Mazda CX-5 (2nd Gen) KF Original radio options - InCarTec

There are multiple original radio options in the Mazda CX-5 (2nd Gen) KF, which option is the original fitted system?

Enclosed Subwoofers/ Drivers Enclosed Subwoofers/ Drivers
Extra Slim Subwoofers Extra Slim Subwoofers
Spare Wheel Subwoofers Spare Wheel Subwoofers
Underseat Subwoofers Underseat Subwoofers