Instrumentation amplifiers come standard with 232Hz, -3dB frequency response with 18dB/octave roll-off.
An additional x1 to x6 screwdriver adjustable amplitude control is provided standard on 4100-S, SL, and -L to have a total of 3 x 6 = 18 V P-P drive amplitude capability.
Model 4100-SL and -L amplifiers have A + B /A - B sums amplifier standard.