Mark-tech manufactures remote control add-on card for amplifiers which can convert amplifiers withoutremote control with the help of a plug-in card. These remote control add-on-card come with various salient features such as 16 character lcd display with back light; digital bass, treble, volume and balance control; three independent aux inputs; sleep timer up to 130 minutes [30, 60, 90, 120]; remote power off/on; built-in memory; three functional key in the panel [menu, up, down]; beep for every function when key pressed; in remote handset independent keys for volume, bass, treble, balance, loudness, 3 auxiliary timer, mute and power; volume control in 1.25 db steps; operating voltage 5 volt dc; independent volume control for rear speakers; and low distortion, low noise and low dc steps.
