Hi, I want a new Jackson guitar. Ive been looking for a while and came across the Jackson Pro Series DK2S Dinky but i have a few questions about it before I buy it.

1. What Is Sustanic Pickup and What Does It Do?
2. What Is The Fundamental/Harmonic/Blend Switch
3. What Is The Middle and Neck Sustainiac® Driver/Pickup & the Neck Sustainiac® Driver/Pickup.

Please Let Me Know ASAP