The TBL1S from Bogen is a Transformer Balanced Input Module for the Power Vector amplification system. This module is bus assignable with pluggable screw terminal connections. Transformer-isolated line level input Gain/Trim control Bass and treble Audio Gating.
Plug-in modules support different input types including the ability to interface to balanced and unbalanced high- and low-impedance inputs, stereo and mono, telephone PBXs, and microphones. A stereo, balanced, high-impedance input module (BAL2S) comes standard with each amplifier.