Markbass Classic 152 SH, Bass Box, Equipment: 2x 15"" Markbass custom neodymium speakers and 1"" custom compression tweeter, Power handling: 800 W @ 4 Ohm, Efficiency: 103 dBSPL, Frequency range: 50 - 20,000 Hz, Dimensions (WxHxD): 59.4 x 86.8 x 48 cm, Weight: 33 kg