SPM4

Professional Passive Signal Mixing Solution

The Audison SPM 4 is a high-quality 4-channel stereo passive mixer designed for fine-tuning and combining multiple audio signals. It enables seamless blending of four stereo sources into one output, ensuring precise control and optimal balance for multi-source systems such as OEM integration setups or advanced DSP configurations.

Engineered for Audio Purity and Flexibility

Built with premium-grade passive components, the SPM 4 delivers transparent sound with zero coloration or added noise. Its passive circuitry ensures compatibility with any line-level signal source, maintaining signal integrity and frequency response throughout the audio chain without the need for external power.

Seamless Integration for Custom Car Audio Systems

The SPM 4 is the perfect tool for installers and audiophiles who demand precise signal management in complex systems. Whether combining front and rear outputs, balancing multi-amp setups, or managing OEM signal blending, the SPM 4 provides clean, distortion-free performance with simple and reliable operation.

Highlights

• 4-channel stereo passive mixer for advanced audio integration

• Ideal for combining multiple preamp or speaker-level sources

• Passive design requires no external power supply

• Maintains original sound quality with no added distortion

• Premium internal components ensure accurate signal blending

• Wide compatibility with Audison DSPs, amplifiers, and OEM systems

• Perfect for front/rear or multi-amp system configuration balancing

• Compact and rugged chassis for easy installation

• High-quality connectors for secure and reliable connections

• Designed and engineered in Italy for professional-grade performance

Package Contains

• 1 × Audison SPM 4 4-Channel Stereo Passive Mixer

• 1 × User installation and operation manual

• 1 × Mounting hardware kit

• 1 × Warranty and registration card