Ease of … Overall. Turn your Roland into a grand piano with this three-pedal unit. Make sure to check out the reviews but first of all press the red button below to see if it fits your music taste. Roland presents Sustain Pedals RPU-3 B-Stock.If you are on the lookout for keyboards or keys in general, then this may be a fitting choice. Features. With separate 1/4" outputs for each of its three pedals, the RPU-3 is compatible with keyboards such as Roland's FP-7F and RD-700 series pianos. Rating and Reviews: Roland RPU-3 Pedal Unit. Roland's RPU-3 pedal unit offers the experience of a grand piano pedal assembly with the 3 conventional functions, but also adds the ability to control other functions in other Roland pianos. The Roland RPU-3 Pedal Unit features three piano style pedals in one easily manageable unit. In addition to providing the same pedal configuration as a grand piano, the RPU-3 also provides hands-free control of various instrument functions, such as the FP-7F's Looper and harmony effects. Each pedal features a separate connection for traditional Soft, Sustain and Sostenuto pedal use, or control over various keyboard functions such as the Rolands FP-7F's Looper and harmony effects. In addition to more expressive playing, it also lets you control your keyboard's effects. enlarge Roland RPU3 Pedal Unit for RD700NX, FP-4F and FP-7F . Examples include the RD-700 series pianos or the FP-7F, which features effects like loops and harmonies. Turn your Roland into a grand piano with this three-pedal unit. User Ratings. Sound. In addition to more expressive playing, it also lets you control your keyboard's effects.Roland RPU-3 RD700NX Pedal UnitCombining three pedals into one convenient and clutter-free unit, the Roland RPU-3 offers a real grand piano pedaling experience.