Bose T1 ToneMatch Audio Engine;

Powerful multichannel sound tools for Bose L1 systems, with controls so advanced they adapt to you and your instrument. Four-channel engine features proprietary Tone Match presets, intelligent zEQ and a large suite of professional-quality effects and processors. The T1 Tone Match audio engine is designed to enrich the sound of musicians using any Bose L1 system. Its powerful features and tone-shaping tools quickly bring you closer to the true sound of your voice and instruments. This versatile digital mixer helps you sound your best in live performances. It expands the input capacity of your L1 system and gives you instant access to a host of proprietary EQ presets, standard effects and processors. If using a Bose L1 model II system, the included Tone Match cable connects the T1 directly with the L1 system for power and audio. When used with other sound systems, the T1 Tone Match audio engine power supply is required.