Bose DS40SEW Freespace Surface Mount Speaker White EX DEMO

EX DEMO! 

Full-range loudspeaker with a single 4.5" (114 mm) full-range driver in a ported enclosure designed for surface mounting in foreground and background music and paging applications

Simple 1->2->3 installation system. Mounting hardware allows for horizontal and vertical orientation with adjustable pitch or yaw

Integrated multi-tap transformer with innovative thumb wheel adjustment for easy-to-change tap settings from under front end cap

Shared voicing across entire FreeSpace DS product family enables DS 16, DS 40, and DS 100 loudspeakers to be integrated on the same system and maintain consistent tonal quality

Supported by a suite of accessories, including wall-mount bracket. 

Frequency Response (+/-3 dB)1 80 Hz - 17 kHz
Frequency Range (-10 dB)1 70 Hz - 19 kHz
Nominal Dispersion 125° H x 125° V
Recommended High-Pass Filter- 70 Hz high-pass filter
Loudspeaker EQ - Recommended
Overload Protection - PTC/Resistor
Long-Term Power Handling - 40 W (160 W peak)
Sensitivity (SPL / 1 W @ 1 m)-  87 dB SPL
Maximum SPL @ 1 m -  103 dB SPL (109 dB SPL peak)
Nominal Impedance 8 Ω (transformer bypassed)
Transformer Taps (70/100 V) 70V: 2.5W, 5W, 10W, 20W, 40W
100 V: 5W, 10W, 20W, 40W