Want total control of your tone right at your feet? The Two Notes Le Bass 2-Channel Tube Bass Preamp brings together digital versatility and analog warmth in one unit with over 10 onboard knobs for plenty of tweaking. A two-channel independent preamp design lets you create completely separate voices and blend them to your liking with a real built-in vacuum tube while Wall of Sound downloadable software gives you high-fidelity cabinet simulations for cavernous tone even when you're just using headphones.