JBL Control 50 Black, Passive mono sound system, The JBL Control 50 Mono System is the ideal choice for sophisticated background sound for restaurants, cafés, bars, shops up to max. 80m² *. The extremely compact dimensions of the speakers allow for easy and unobtrusive integration into your premises., 4 Heads, 1 Subwoofer, Wall mounts included, Colour: Black, Subwoofer: 8"", Frequency range: 32 - 200 Hz (-10 dB), Impedance: 100/70 W @ 8 Ohm, Max. SPL: 121 dB SPL (peak), 4 Head outputs (mono), Dimensions: 356 x 391 x 203 mm (WxDxH), Weight: 9 kg, Head: 2.5"" broadband chassis, Frequency range: 140 Hz - 20 kHz (-10 dB), Dispersional pattern: 150°x150°, Impedance: 16 Ohm, Dimensions: 115 x 84 x 96 mm (WxDxH), Weight: 0.7 kg, (Optional matching 100V amplifier #277370#) (optional also in white: #292805#)