Bose L1 Model 1S/B1, Portable Line Array System, L1 Model 1S with B1 bass module, Ideal for musical performances, mobile DJs, classrooms, business presentations and other events, With ""spatial dispersion"" loudspeaker technology sound remains consistent even at extreme sides of the system, Analog input or tone match@+@+*Includes:*@+@+, L1 Model 1S power stand, B1 Bass module and cable, L1 Model 1S loudspeaker array and extensions, B1 protective cover, Loudspeaker array carrying cover, Power stand carrying cover, Power cord@+@+*Dimensions and weight:*@+@+, L1 Model 1S loudspeaker top (H x W x D): 111 x 9 x 10.5 cm, weight: 7.4 kg, L1 Model 1S loudspeaker bottom (H x W x D): 100.6 x 10.6 x 10.5 cm, weight: 3.8 kg, L1 Model 1S Power Stand (H x W x D): 12.8 x 26.2 x 69.2 cm, weight: 10.7 kg, B1 Bass module (H x W x D): 38 x 26 x 45 cm, weight: 11.4 kg