CAB-025: 3ft. BNC Cable (2 cables recommended)

3362 Dual Channel; HP, LP; 24dB/octave, Diff./Single-Ended Input; Butterworth, Bessel; Gain

Option 002: Extend low-end cutoff to

Option BK-330: Battery Kit

RK-314: Rack Mount Kit

CAB-025: 3ft. BNC Cable (4 cables recommended)

3364 Four Channel; HP, LP; 24dB/octave, Diff./Single-Ended Input; Butterworth, Bessel; Gain

Option 002: Extend low-end cutoff to

RK-314: Rack Mount Kit

CAB-025: 3ft. BNC Cable (8 cables recommended)

3381 Single