Home
Products
Cinema
Audio Systems
FreeSpace® 3 Series II Acoustimass® module

FreeSpace® 3 Series II Acoustimass® module

Introduction
Features
Specifications

Introduction

The Bose® FreeSpace 3 Series II Acoustimass® bass module is designed to provide flush-mount bass augmentation for new and existing background music systems. It features one 5.25" (133 mm) woofer that delivers deep bass down to 40 Hz without audible distortion.

Features

Specifications

Introduction
Features
Specifications

Features

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

Introduction

Specifications

Introduction
Features
Specifications

SPECIFICATIONS

Frequency Response (+/-3 dB)	50 Hz - 230 kHz
Frequency Range (-10 dB)	40 Hz - 315 kHz
Nominal Dispersion	Omni-directional below 200 Hz
Recommended High-Pass Filter	40 Hz high-pass filter
Loudspeakeк	EQ Recommended

Overload Protection	PTC
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)
Dimensions	Outer flange diameter: 15.4" (391 mm) Depth: 7.5" (190 mm) Ceiling hole diameter: 14.3" (362 mm)
Net Weight	14 lb (6.4 kg)