First made popular by Xotic Effects, the Tri-Logic is back!

Renewed and Reincarnated by EWS, the "Tri-Logic Bass Preamp 2" is significantly smaller in size and more affordable. With all the same features of the former Tri-Logic, 18-volts & 3-band EQ, the Tri-Logic Bass Preamp 2 has evolved with improved sound quality and usability.'

True Bypass Switching
Power Consumption: 18VDC/4.3mA
Battery Type: 9VDC(006P)x2
AC Adapter (Optional): 9-18VDC,Negative Tips
(Regulated recommended such as Dunlop ECB04 Power Supply)
INPUT: Passive-1M ohm, Active-100K ohm
Treble: 10KHz+/-13dB
Middle: Hi-Mid 800Hz+/-10dB, Low-Mid 400Hz+/-12dB
Bass: 90Hz+/-15dB.