2.1 Remote Kit with LCD Display Using PT2033-S Audio Processor

2.1 Remote Kit Using PT2033-S Audio Processor

Stereo Remote Kit with LCD Display Using TDA7439 Audio Processor

Stereo Remote Kit Using TDA7439 Audio Processor with Rotary Encoder

Philips TDA1526 Bass and Treble Board

3-Way Equalizer Bass & Treble, Mid Control Board from Sachin Sruthi Company

Dual Supply Operated 3-Way Tone Control Board

NC Bass, Treble Board with gainer from Crystal Audio

3D option Bass, Treble Board from Crystal Audio

Velan Audios 12V Bass, Treble, Mid Control BT