Everything in Music - Since 1958

Bose DS 100F Extended Range Loudspeaker - Black

  • Our Price
  • Regular price $189.00


Bose DS 100F Freespace Flush-mount Loudspeaker

The Bose® FreeSpace DS 100F is the premier member of the DS loudspeaker family. It is a high-performance, extended-range, flush-mount loudspeaker designed for foreground music and speech reproduction in a wide range of installed applications. The FreeSpace DS 100F loudspeaker features high output and a wide, 160° conical pattern with a frequency range down to 60 Hz.

  • Extended-range, high output loudspeaker with a single 2.25" (57 mm) Twiddler® driver and 5.25" (133 mm) woofer in the ported enclosure to deliver a 160° conical coverage pattern for flush-ceiling or pendant mount applications in ceilings up to 32 ft (10 m) high
  • Integrated multi-tap transformer with innovative thumb wheel adjustment for easy-to-change tap setting from underneath the loudspeaker grille
  • 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 and maintain consistent tonal quality
  • Supported by a suite of accessories, including ceiling-mount bracket, adjustable tile bridge, pendant-mount kit, and square grille

Technical Specifications

System Performance

  • Frequency Response (+/-3 dB): 75 Hz - 18 kHz
  • Frequency Range (-10 dB): 60 Hz - 20 kHz
  • Nominal Dispersion: 160° conical
  • Recommended High-Pass Filter: 55 Hz high-pass filter
  • Loudspeaker EQ: Recommended
  • Overload Protection: PTC/Lamp
  • 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)
  • Transformer Taps (70/100 V) 70 V: 12.5 W, 25 W, 50 W, 100 W
  • 100 V: 25 W, 50 W, 100 W


  • Driver Compliment 2.25" (57 mm) Twiddler® driver
  • 5.25" (133 mm) woofer


  • Enclosure: Polypropylene (front baffle), powder-coated steel (rear enclosure)
  • Grille: Powder-coated steel grille
  • Environmental: Indoor use only
  • Connectors: Three-terminal barrier strip. 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 an optional accessory pendant mount kit. Safety cable attachment: .35" (8.9 mm) diameter hole on junction box


  • Outer flange diameter: 11.8" (299 mm)
  • Depth: 8.2" (210 mm)
  • Ceiling hole diameter: 10.5" (267 mm)
  • Ceiling Thickness (Maximum): 1.5" (38 mm)
  • Net Weight 13.0 lb (5.9 kg)

Manufacturer: BOSE
Model: 040804
Warranty: See manufacturer website for details
SKU: I246690-2-B

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