http://www.roland.com/products/en/GT-10B/
Geo Valle plays GT-10B at NAMM 2008.
The GT-10B, optimized for the low-frequency domain. The massive power of BOSSs latest DSP engine and COSM sound-modeling know-how are integrated to provide the most creative and essential features for bass. With Parallel Chain, Phrase Loop, and EZ Tone onboard, the GT-10B takes its place as the most advanced-yet-friendly bass station on the market.