BOSE FS3 II ตู้เบสชนิดฝังฝ้า ลำโพงFreeSpace 3 Series II

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

Specification

• Frequency Response (+/-3 dB)  50 Hz - 230 kHz
• 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  6 Ω mono direct (transformer bypassed)
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