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My Boombox

May 31, 2026
Boombox

Some time ago, I built a DIY boombox. It is based on a Up2Stream AMP2.1 amplifier (2x50W + 100W) and uses two fullrange speakers (Dayton Audio RS100-4), a subwoofer (Tang Band W5-1138SMF), and a passive radiator (Dayton Audio DS215-PR).

In a series of posts, I will describe the fundamental concept of the boombox, how I built the cabinet, and how I chose and installed the technical components.

Part 1: Concept

Part 2: The Cabinet

Part 3: Front and Back Piece

Part 4: Speaker Compartments

Part 5: The Amplifier

Part 6: The Power Supply

Part 7: Control, Input, and Power Supply Panels

Part 8: Final Assembly

Part 9: Initial Setup