Add some life to the playback of your old dusty records with a 4-band equalizer. This active EQ cuts and boosts four frequencies and can be easily bypassed.
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.
No frills here -- just two channels of preamp gain for your studio microphones. The MP222 boasts a tough half-rack-space steel chassis and front XLR inputs.
The inexpensive Rolls MP13 Mini-Mic preamp features a gain control and switchable phantom power.