De Pioneer Ts-a250s4 is een  25cm component subwoofer met een afmeting van 10"/25 CM Single Voice Coil Subwoofer en 1300 Watt.

Concept: Promote as a new line up, designed for upgrading OEM speakers
Deeper, richer bass
Lower distortion
Clearer higher frequencies
Pioneer Open & Smooth sound concept
Development: Easier and quicker to Install.

Global vehicle study, including over 20 popular European vehicles

This study allowed Pioneer to measure vehicle sound as OEM, but also design custom fit speaker adaptor to fit multiple vehicles.

Adaptor also has sound damping qualities too, improving sound quality and reducing unwanted vibration

Marketing: Attract customers with;
CarSoundFit app, showing fitting data, but also sound comparison of OEM vehicle and Pioneer system, (before and after situation)

Easy to demonstrate Pioneer OEM sound upgrade in shop, at home, anywhere
Improved cosmetic
Improved packaging
Improved sound quality
Improved power
Improved installability

Size:  10" / 25cm
Type:    S4 / Single Voice Coil
Max Power:  1300W
RMS Power:  400W
Cone Material:  IMPP
Terminal Type:  Push Terminals