The R4, designed by musicians, is a versatile recorder offering 32-bit float recording and a dedicated 'bounce track' for creative layering. It serves as a 2-in/2-out USB audio interface with 32-bit float technology. With intuitive controls, including faders for each track, and onboard rhythm patterns, EQ, and effects, it's ideal for musicians exploring ambitious compositions. Powered by AA batteries or USB-C, it's portable and efficient.