The first wah-wah al designed by bass players for bass players. Incorporates a new proprietary potentiometer and custom EQ circuitry, specially optimised for bass frequencies. Applies wah effects to midrange, highs and overtones, while leaving a strong fundamental to hold down the bottom. Used by Flea of Red Hot Chili Peppers, Rex of Pantera,... >> read more 

Features: 96 kHz sampling 24 bit A/D/A conversion 32 bit processing [ZFX-3] 20 Hz - 40 kHz flat response 110 dB SNR 13 amp/stomp modeling 8 effect modules, 46 effect types 40 user patch + 40 factory patch Built-in PCM drum machine Built-in Expression Pedal Works with 4 AA batteries or included AC power adapter.   >> read more 

Features: 40 preset effects patches 40 programmable memory patches 7 effect modules with 45 effect types 32-bit processing, 96kHz sampling rate 24-bit A/D, D/A converters Ultra wide frequency response:20Hz - 40kHz Built-in drum machine with 40 rhythm patterns Integrated chromatic tuner Sturdy metal chassis with rubber side-guard shells USB... >> read more