Amazon.com: teenage engineering TX–6 portable and rechargeable 6 stereo channel mixer and usb audio interface, 8 hour battery life, built-in effects, synthesizer and sequencer, ble and usb midi, iOS compatible : Musical
Schematic of Tx mixer design. | Download Scientific Diagram
Teenage Engineering TX-6 – Thomann United States
Teenage Engineering TX-6 Field Mixer [B-STOCK] | Reverb