Bluetooth Car Audio Signal Processor DSP – TPT-SP4BT pride Foam baffles behind the speaker

Foam baffles behind the speaker protect it from door moisture and tighten midbass

35″ L × 8

Superior Sound Quality: Extended frequency response from 20Hz to 30kHz and a 100dB signal-to-noise ratio ensure crystal-clear audio

Thanks to its 4 Ω impedance and modest RMS rating

this driver offers excellent clarity and efficiency for sound‑enthusiasts and installers alike

Bluetooth Car Audio Signal Processor DSP – TPT-SP4BT pride Foam baffles behind the speakerThe TPT SP4BT is a compact Bluetooth enabled digital signal processor (DSP) for car audio systems. Designed for both factory and aftermarket installations, it allows wireless control of audio settings from a smartphone or tablet. With its intuitive app, users can adjust equalization, filters, gain, phase, and limiting in real time, delivering precise audio tuning. Ideal for enthusiasts and professional installers, this DSP provides high flexibility,