Sescom SES-3MIX-HZ 3-Channel Passive Instrument Mixer

The Sescom SES-3MIX-HZ is a compact plug-and-play passive audio mixer designed to combine multiple instrument-level sources into a single stereo or mono output. It allows seamless integration of additional equipment into mixers, interfaces, or systems with limited available inputs.

This unit features three 1-4-inch TRS inputs with individual level control potentiometers, providing precise adjustment for each connected source. Outputs are available via left and right RCA connectors or a 1-4-inch TRS output, supporting balanced or unbalanced operation when used consistently.

With an entirely passive design requiring no batteries or external power, the SES-3MIX-HZ delivers reliable operation in studio, stage, and installation environments. Its rugged black anodized aluminum enclosure makes it well suited for portable rigs and long-term professional use.

Key Features

• Three-channel mixing: Combines three instrument-level sources into a single output
• Individual level control: Dedicated potentiometer for each input channel
• Flexible outputs: Left and right RCA outputs or 1-4-inch TRS output
• Passive operation: No batteries or AC power required
• TRS and TS compatibility: Supports balanced or unbalanced signals when used consistently
• Durable enclosure: Black anodized aluminum housing for professional reliability

Technical Specifications

• Input connectors: (3) 1-4-inch TRS jack
• Output connectors: (2) RCA jacks white and red, (1) 1-4-inch TRS jack
• Unbalanced impedance: 12.5K to 100K ohms
• Balanced impedance: 25K to 200K ohms
• Enclosure material: Black anodized aluminum