Kicker 49ST4TW ST-Series 1.5" Bullet Tweeter
Designed for extreme output and crystal-clear vocal reproduction, the Kicker 49ST4TW ST-Series Bullet Tweeter is built for high-performance SPL systems that demand serious high-frequency projection. Featuring a highly efficient horn-loaded aluminum diaphragm and pro-audio-inspired design, this 1.5-inch bullet tweeter delivers exceptional clarity, detail, and volume that easily cuts through powerful midbass and subwoofer setups.
With an impressive 108dB sensitivity rating, the ST4TW is capable of producing massive output with minimal amplifier power, making it a favorite among competition vehicles, demo builds, motorcycle audio systems, and high-output street setups. The included inline 6dB high-pass crossover helps protect the tweeter while ensuring clean and accurate performance across its 3kHz–20kHz frequency range.
Built for installation flexibility, the 49ST4TW includes front-mount, rear-mount, and trim bezel mounting options, allowing seamless integration into custom audio projects. Spring-loaded terminals simplify wiring, while Kicker's field-replaceable voice coil design helps maximize serviceability and long-term reliability.
Whether you're building an all-out SPL vehicle, a custom speaker wall, or a powerful motorcycle audio system, the Kicker ST4TW delivers the aggressive highs, vocal clarity, and efficiency needed to stand out from the crowd.