Tech 21, the SansAmp people, have come up with the Programmable Bass Driver DI, a 3-channel, programmable, rig-in-a-box for bassists who can't get enough of a great thing. Like the TRI-A.C. for guitar, the Bass Driver DI offers three hot tones right at your toetips. The all-analog circuitry features the same controls as its single channel predecessor: Drive, Bass, Treble, Presence, Blend and Level. Digital only in its programmability, you just tweak the knobs until you find a tone, double-tap on a footswitch, and it's saved in that channel. It's that simple. Three of your favorite tones - to go