An absolutely mint condition Bose T1 ToneMatch mixer. The mixer is in mint condition and hardly been used. Comes with Bose Power Supply and Bose case. Great versatile mixer and the quality of sound from this unit will blow you away. The easiest to use mixer I have ever had just plug in set the type and make of Microphone or the type of guitar and the unit sets all the EQ's optimized for your mic or instrument. If you are an acoustic guitar player there are multiple acoustic guitar models to choose from pick yours and the sound is just incredible. I have never heard any PA get as close to my natural unplugged acoustic as this mixer. Powerful multichannel sound tools for Bose L1 systems, with controls so advanced they adapt to you and your instrument. Four-channel engine features proprietary ToneMatch presets, intelligent zEQ and a large suite of professional-quality effects and processors. The T1 ToneMatch 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.