Vision’s SP-1800 professional wall mounted loudspeakers are super-easy to install, look beautiful, and produce rich and powerful sound. They are 240mm tall and use a 5.25 inch woofer – the most popular size for classroom, meeting room, and boardroom applications. More information: Audio | RMS rated power | 50 W | ![](/p.gif) | Frequency range | 80 - 20000 Hz | ![](/p.gif) | Impedance | 8 Ω | ![](/p.gif) | Sensitivity | 89 dB | Weight & dimensions | Width | 180 mm | ![](/p.gif) | Depth | 174 mm | ![](/p.gif) | Height | 244 mm | ![](/p.gif) | Weight | 4670 g | Ports & interfaces | Connectivity technology | Wired | ![](/p.gif) | Binding post | Yes | Loudspeakers | Speaker type | 3-way | ![](/p.gif) | Audio output channels | 2.0 channels | ![](/p.gif) | Speaker placement | Wall-mountable | ![](/p.gif) | Number of drivers | 3 | ![](/p.gif) | Mid-range driver diameter (imperial) | 1 " | ![](/p.gif) | Tweeter | Yes | ![](/p.gif) | Tweeter diameter (imperial) | 0.5 " | ![](/p.gif) | Woofer | Yes | ![](/p.gif) | Woofer diameter (imperial) | 5.25 " | Performance | Product colour | White | ![](/p.gif) | Housing material | Acrylonitrile butadiene styrene (ABS) |
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