Rob Johnson Rob Johnson Online pickups used by Rob Johnson Evolution® Neck - DP158 Output 294 Bass 6.0 Mid 6.0 Treble 6.5 Evolution® Bridge - DP159 Output 404 Bass 6.0 Mid 7.0 Treble 6.5 BlazeTM Neck Model - DP700 Output 280 Bass 6.5 Mid 4.5 Treble 5.5 BlazeTM Middle - DP701 Output 200 Bass 4.5 Mid 5.0 Treble 7.0 BlazeTM Bridge Model - DP702 Output 380 Bass 7.5 Mid 4.5 Treble 6.0