Homemade 2.1 Audio Power Amplifier System

This post show completed view of digitally controlled audio power amplifier with virtual surround (which we described in previous post). All the speaker enclosures, power amplifier casing and electronic system are design and developed by us. Configuration of this given step is as follows:

System Components: Power Amplifier, 2 main speaker units, 1 sub-woofer and 18V (5A) SMPS.

Speaker System: Main speaker system consist with 8Ω (45W) 6½ inch Woofer, 8Ω (50W) 3 inch Tweeter with passive crossover.

Subwoofer System: 3Ω (200W) 8 inch Bass Woofer.


All the speaker enclosures are mad out of 9mm MDF (medium density fiberboards) and power amplifier casing is made using 2mm acrylic sheets.

More views of this audio system are available in here.