Unlike many pre-amp units on the market today, which tend to have that peculiar "Active" sound, Tri-logic Bass Pre-amp features a greatly expanded, wide dynamic range, for a natural warm sound, sought after by many of today's players. Also, the unique characteristics of various bass has been restored, and has been realized with a very low-noise output.
Designed and tested with feedback from professional musicians.
You can make a sound to match any musical style. It works great with natural sound when used with acoustic bass with pickup.

Specification:
* Dimensions (W/D/H): 4.69" x 3.70" x 2.76" (119mm X 94mm X 70mm)
* Weight: 1.2 lbs. (550g)
* Power Consumption: 18VDC/20mA
* Battery Type: 9VDC (006P) x 2
* AC Adapter (Optional): 18VDC, Negative Tips (Center), Regulated recommended.....Dunlop ECB04 Power Supply
* Input Impedance: 500k ohm & 50k ohm switchable
* Output Impedance: 10k ohm
*Frequency; high: 10kHz, mid: 3kHz (high-mid), 400Hz(low-mid), low: 20Hz

Video Clips by professional musicians!
Oskar Cartaya / Melvin Davis / Ric Fierabracci / Chris Roy / Jerry Watts

Repair & Warranty Information is HERE.