Bogen Communications HFSF1
Ceiling Speaker, Small Footprint


The Bogen HFSF1 High-Fidelity, Small-Footprint Ceiling Loudspeaker delivers superior sound in a very compact enclosure. The speaker measures 7-1/4" diameter and mounts easily in all types of ceilings – including existing hard-surfaced types and suspended type. Several levels of power output can be controlled directly from the front baffle via a rotary tap selector switch under the grille. The low-distortion, coaxial-design speaker, coupled with a computer-matched venting system, delivers superb fidelity for music as well as high intelligibility for voice reinforcement. Coupled with the Bogen CSUB Ceiling Subwoofer, it provides the perfect solution for environments that require the
highest-quality sound with minimal visual impact.


  • Superior sound in a very compact enclosure
  • Wide-dispersion coaxial driver for broad, even coverage; superb off-axis response
  • Small footprint, visually appealing
  • Only 7-1/4" face diameter
  • Installs in wide range of ceiling types
  • For 70V and low-impedance systems
  • Selectable power taps via front-mounted control (under grille); 16, 8, 4, 2, 1 watts at 70V
  • 16-ohm Input setting for low-impedance systems (selectable via front-mounted control, under grille)
  • Quick wiring with removable plug-in connector
  • Plug-in connector provides loop-through terminals for next speaker
  • Terminal cover provides knockout for flexible conduit connection
  • Compounded rubber surround for lasting performance year after year
  • Integral mounting clamps tighten quickly and firmly
  • Attachment point for seismic safety cable


  • Frequency Response: 78 Hz to 20 kHz
  • LF Driver: 4" Polypropylene cone with rubber surround
  • HF Driver: 3/4" Polycarbonate dome
  • Sensitivity (1W/1m): 86 dBspl
  • Dispersion: 150 degrees
  • Impedance Ratings: Low (16 ohms), High (70V)
  • Power Input (Max.): 50W at 16 ohms, 16W at 70V
  • Power Settings†: 70V: 16, 8, 4, 2, 1 Watts
  • Baffle/Bezel Material: Fire-rated (94V0) ABS
  • Back Enclosure: Heavy-gauge steel
  • Grille Material: Powder-coated, perforated metal
  • Color: Off-white, paintable
  • Terminations 4-Terminal Snap-lock input connector
  • Product Weight: 4.5 lb.
  • Dimensions: 7-1/4" Dia. × 7-1/2" D
  • Accessories Included:
      -  Snap-lock input connector (1)
      -  Steel terminal cover (1)
      -  Mounting screws (2)
  • Optional Accessories:
      -  Suspension/Safety Cable (CK10)
      -  Tile Bridge Support (TBSF)
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