Bespeco micromixer mix-30 passive audio mixer

It lets you combine multiple audio signals into one output. From the labels visible: * CH 1, CH 2, CH 3 → three input channels * Each has its own volume knob * Master → overall output level * OUT → the mixed signal output Typical uses * Mixing several instruments (e.g., keyboard + guitar + backing track) into one amp * Combining audio sources for headphones or speakers * Simple setups where you don’t need a full mixing desk Key characteristics * Very compact (“micromixer”) * Usually passive (no power needed) * Basic control — just volume, no EQ or effects