Get more oomph out of your speakers with the Rolls Bellari SE560, a sonic exciter that lets you adjust "bottom" and "definition" for a richer, clearer sound.
The inexpensive Rolls MP13 Mini-Mic preamp features a gain control and switchable phantom power.
Skip the bulky rack mixer in your keyboard setup. The MX28 sends 3 stereo sources to headphones and an amp -- perfect for jamming along with your MP3 player.
Provide power to two mics without generating audio noise with the Rolls dual phantom power adapter. This unit works with any mixer and powers all phantom mics.