Powerful 15" coaxial speaker cabinet Passive 2-way crossover 15" LF-Neodymium speaker + 1.75" driver (1" voice coil) 3 Speakons : 2 on left side + 1 on right side Switch to choose +- 1 or +- 2 Max SPL: 128dB Bandwidth: 54-19.000Hz (-3dB) Nominal directivity: 60° x 40° Power: 400Waes (recommended amplifier: 800Wrms) Impendance: 8Ohm 1st choice Baltic birch plywood with scratch free black textured Polyurea finishing Dimension: 368x580x447mm Weight: 19kg