◆ Two 4-inch voice coil 18-inch high-power bass speaker ◆ Sturdy honeycomb steel mesh speaker protection against external shocks ◆ Cabinet folder made of high-density, hard finish to withstand all kinds of friction and collisions ◆ Acoustic shock absorbers, improve safety, improve quality ◆ Quick and easy to install security ◆ Natural tonal balance
T Series 
