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The Bose FreeSpace DS100SE is a premier, high-performance, full-range wall-mounted loudspeaker designed for clear foreground music and speech reproduction in various installed applications. It features a rotatable array delivering a wide 180° horizontal by 75° vertical coverage and a frequency response down to 60 Hz. Key Features Extended-range, high-performance loudspeaker with two 2.25" (57 mm) Twiddler® drivers and a single 5.25" (133 mm) woofer in a ported enclosure, ideal for surface-mounted foreground and background music and paging applications. Proprietary Articulated Array® speaker configuration provides 180° horizontal by 75° vertical coverage when mounted horizontally. The array can be rotated for horizontal or vertical use. Simple 1->2->3 installation system with mounting hardware allowing horizontal and vertical orientation with adjustable pitch or yaw. Integrated multi-tap transformer with innovative thumb wheel adjustment for easy tap setting changes from under the front end cap. Shared voicing across the entire FreeSpace DS product family enables DS 16, DS 40, and DS 100 loudspeakers to be integrated into the same system with consistent tonal quality. Supported by a suite of accessories , including wall-mount bracket, ceiling-mount bracket, pole-mount bracket, and junction boxes. Specifications Enclosure: PC/ABS, textured Environmental Rating: Outdoor per IEC 529 IP55 Connectors: Three-terminal barrier strip integrated on included mounting bracket. Optional accessories available for ceramic connector and thermal fuse. Wire gauge: 18 AWG (0.8 mm) to 14 AWG (2.0 mm) Suspension / Mounting: Included bracket allows horizontal or vertical mounting with pitch or yaw adjustment. Rear enclosure insert sized for M4 x 14 mm screw for safety chain use. Dimensions (Enclosure only): 7.0" H x 15.0" W x 8.5" D (178 mm x 381 mm x 216 mm) Depth with wall mount bracket: 11.0" (280 mm) Net Weight: 14.0 lb (6.4 kg) Colour Options: Black, White, Paintable Technical Summary Frequency Response (+/-3 dB): 75 Hz - 18 kHz Frequency Range (-10 dB): 60 Hz - 20 kHz Nominal Dispersion: 180° H x 75° V Long-Term Power Handling: 100 W (400 W peak) Sensitivity (SPL / 1 W @ 1 m): 85 dB SPL Maximum SPL @ 1 m: 105 dB SPL (111 dB SPL peak) Nominal Impedance: 8 Ω (transformer bypassed) What's in the Box 1 loudspeaker, mounting bracket