IWISTAO 4 Inch Labyrinth Empty Speaker Cabinet Vertical Style Solid Wood

The video present that this kind speaker cabinet can be driven by a transistors power amplifier. This speaker cabinet is made of solid wood. Built-in a labyrinth structure, it can enhance the low-frequency radiant energy, make low-frequency dive deeper, effectively overcoming insufficient bass of commend full range speaker cabinet, make the speaker cabinet the full-frequency be more full and rich. 👇 👇 👇 #iwistao #bookshelfspeaker #labyrinthspeaker #emptyspeakercabinet