Take the teenage engineering TX–6 battery-powered mixer anywhere. It also functions as a portable synthesizer and sequencer with 4 oscillator waveforms and 4 synthesized drum sounds. Best of all, use Tempo Sync to stay on the beat, making it perfect for beginners. With 6 channels of audio, it’s a great way to mix your own music or record your band. In fact, this multi-channel audio interface has 6 stereo input connectors and 2 stereo output connectors. Furthermore, this battery-powered mixer has a built-in speaker and 3.5-mm headphone jack for direct playback without any additional equipment. This makes it easy to practice wherever you are; just plug in your instruments and headphones to start right away. You can even connect this portable mixer to external speakers via its aux input for bigger sound systems when playing live shows or practicing in public spaces.