Bose Pro FREESPACE-DS40F

Bose FreeSpace® DS 40F

loudspeaker
Versatile, high-performance, full-range, flush-mount loudspeaker designed for foreground and background music and speech reproduction in a wide range of installed applications. High output and 125° conical pattern with a frequency range down to 70 Hz.

For indoor applications only.

Key Features :
- Full-range loudspeaker with a single 4.5" (114 mm) driver in a ported enclosure to deliver a 125° conical coverage pattern and clear, intelligible music and speech reproduction for flush-ceiling or pendant-mount applications
- Integrated multi-tap transformer with innovative thumb wheel adjustment for easy-to-change tap setting from underneath the loudspeaker grille
- Shortcan design allows installation in shallower ceilings with minimum depth of 6.4" (163 mm)
- 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 ceiling-mount bracket, adjustable tile bridge, pendant-mount kit and square grille


Specifications :

System Performance :
- Frequency Response (+/-3 dB) : 80 Hz - 17 kHz
- Frequency Range (-10 dB) : 70 Hz - 19 kHz
- Nominal Dispersion : 125° conical
- 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) : 70 V: 2.5 W, 5 W, 10 W, 20 W, 40 W / 100 V: 5 W, 10 W, 20 W, 40 W

Transducers :
Driver Compliment : 4.5" (114 mm) full-range driver

Physical :
- Enclosure : Polypropylene (front baffle), powder-coated steel (rear enclosure)
- Grille : Powder-coated steel grille
- Environmental : Indoor use only
- Connectors : Three-terminal barrier strip; two-terminal barrier strip (8 ohm variant). Optional accessory available for use when ceramic connector and thermal fuse are required. Wire gauge: 18 AWG (0.8 mm) to 14 AWG (2.0 mm)
- Suspension / Mounting : Three integrated quick-install mounting arms. Three mounting points at the rear of the enclosure for use with optional accessory pendant mount kit. Safety cable attachment: .35" (8.9 mm) diameter hole on junction box
- Dimensions : Outer flange diameter: 11.8" (300 mm) / Depth: 6.0" (153 mm) / Ceiling hole diameter: 10.5" (267 mm)
- Ceiling Thickness (Maximum) : 2.5" (64 mm)
- Net Weight : 8.3 lb (3.7 kg)- with transformer
- Shipping Weight : 11.0 lb (5.0 kg)- with transformer

Product Code :
- Black : 321278-0130 - with transformer
- White : 321278-0230 - with transformer