The boss rv 500 reverb effects processor is a pedal designed with an intuitive layout for incredible reverb effects and extensive tonal shaping'. '.strtoupper('t')welve modes to choose from and twenty one unique reverbs all specially designed for the rv 500 ensure that you have a wide tonal palette to experiment with'. '.strtoupper('t')ry new effects and find the perfect sound to suit you'. '.strtoupper('c')hoose from the classic room hall spring and plate reverbs or experiment with an easy reflection or sfx reverbs'. '.strtoupper('u')se its free editor in order to adjust your effects and backup patches or connect a midi controller in order to expand your creative possibilities'. '.strtoupper('q')uickly access powerful reverbs or experiment to create your own the boss rv 500 reverb is perfect for players of all levels.