ST-AP5

Bass Restoration & Signal Enhancement Performance

The Soundxtreme ST-AP5 is engineered to intelligently restore and enhance missing low-frequency information in compressed audio signals. It analyzes the incoming audio and reconstructs harmonics in the sub-bass range, giving your system a deeper, fuller, and more impactful low-end response. Whether you're listening to modern hip-hop, EDM, or cinematic audio, the processor brings out bass detail that factory head units often cut away.

With a wide frequency handling range and high signal integrity design, it maintains clarity while boosting bass presence, ensuring your system sounds powerful without distortion or muddiness.

Advanced Control Interface & Installation Flexibility

This unit includes a dash-mounted dual-knob remote control, giving you real-time adjustment over bass level and restoration intensity. You can fine-tune your system on the fly without accessing the main unit, making it ideal for daily driving and varying music styles.

Designed for simple integration into aftermarket or OEM audio systems, the ST-AP5 features compact housing and standard input/output connectivity. Its subsonic filter helps protect subwoofers from damaging ultra-low frequencies while improving overall system efficiency.

Clean Signal Processing & High-Fidelity Output

Built with a low-noise, high-headroom circuit design, the ST-AP5 maintains a clean signal path even at higher gain levels. With strong noise rejection and minimal harmonic distortion, it preserves audio clarity while enhancing bass response.

Gold-plated contacts improve conductivity and reduce signal loss, while the internal equalization circuit ensures consistent performance across different audio sources. The result is tight, controlled bass with improved punch and definition.

Highlights

• Bass restoration and harmonic reconstruction processor
• Recreates missing low-frequency audio information
• Dash-mounted dual knob remote for real-time bass control
• Subsonic filter protects subwoofers from ultra-low damage frequencies
• High signal-to-noise design for cleaner audio output
• Low distortion audio processing for improved clarity
• Gold-plated connectors for better signal transfer
• Wide frequency response handling for full-range enhancement
• Efficient bass equalization circuit for tighter low-end control
• Compact chassis for easy installation in most vehicles
• Compatible with aftermarket and factory head units
• Adjustable bass level and restoration intensity controls
• High input voltage handling for powerful systems

Package Contents

• 1 × SoundXtreme ST-AP5 Bass Restoration Processor Unit
• 1 × Dash-Mount Bass Control Knob (Dual Control Remote)
• 1 × Wiring Harness / Connection Cable Set
• 1 × User Installation Manual and Setup Guide