Double Helix Upgrade System

Description

K&K Double Helix Upgrade System, Double Helix Upgrade System, Supplement to the Pure Pickup, Consisting of a K&K Double Helix Soundhole Pickup and a K&K Dual Channel Pro Preamp ST Preamplifier@+*K&K Double Helix Soundhole Pickup:*, Double-coil magnetic soundhole pickup for steel-string acoustic guitars, With phase reverse and tone switch (bright ‘gloss’ or substantial ‘steam’), Works completely hum-free in all presets@+*K&K Dual Channel Pro Preamp ST Preamp*: Preamp for piezo or magnetic pickup, One stereo input, One main/mix output, One individual channel output, Internal 3-band EQ for both channels, Two volume controls, Frequency range: 10 Hz - 30,000 Hz, Input impedance: One mega ohm, Output impedance: Three kilo ohm, Power consumption: 3.5 mA