Spectra Displays

Bose FreeSpace 3 Series I Acoustimass bass module

Designed to provide surface-mount bass augmentation for new and existing background music systems. Features one 5.25" (133 mm) woofer that delivers deep bass down to 40 Hz without audible distortion.


Product Overview

Low-frequency loudspeaker featuring one 5.25" (133 mm) woofer that delivers deep, non-localized bass support down to 40 Hz without audible distortion. For flush, ceiling, pendant and wall-mount applications

Acoustimass speaker technology filters out audible distortion to deliver non-localized bass

Designed to work with the FreeSpace 3 flush and surface satellite speakers, or existing systems where additional bass reinforcement is desired

Module design allows parallel connection of multiple bass modules and can accommodate two or four FreeSpace 3 satellites per bass module

Plenum rated for use in air handling spaces (with optional plenum cover)

Selectable 70/100V or low impedance with transformer tap adjustment under speaker grille

Technical Information

Frequency Response (+/-3 dB) 50 Hz - 230 Hz
Frequency Range (-10 dB) 40 Hz - 315 Hz
Nominal Dispersion Omni-directional below 200 Hz
Long-Term Power Handling 70/100 V: 200 W (800 W peak) mono Low impedance: 50 W (200 W peak) per channel stereo or 100 W (400 W peak) mono
Sensitivity (SPL / 1 W @ 1 m) Per channel: 76 dB SPL (Mono: 79 dB SPL)
Maximum SPL @ 1 m Per channel: 96 dB SPL (102 dB SPL peak) Mono: 102 dB SPL (108 dB SPL peak)
Nominal Impedance 5 Ω mono direct (transformer bypassed)

Spectra Displays