Bose Professional ArenaMatch Utility AMU105 Outdoor / Fill Speaker (White)

Overview

The Bose 811433-0210 is an outdoor/fill loudspeaker from the ArenaMatch Utility line designed to deliver clear and consistent sound in challenging environments where weather and space constraints often limit audio quality. It features a 100° by 100° constant-directivity horn for even high-frequency coverage and a 5.25 inch high-excursion woofer that provides warm and punchy low and mid-range sound. With an IP55 rating and a compact size of approximately 6 by 12 by 9 inches, this speaker fits well in outdoor venues, patios, and other areas requiring reliable, high-quality audio.

Key features

• Wide 100° by 100° constant-directivity horn ensures uniform sound coverage across a broad listening area
• 5.25 inch woofer delivers strong low and mid frequencies, enhancing vocal clarity and musical warmth
• Weather-resistant IP55-rated enclosure protects against rain, dust, and harsh outdoor conditions
• Internal transformer with selectable 70 volt and 100 volt taps simplifies integration into distributed audio systems
• 8 ohm bypass switch allows direct connection to low-impedance or live sound amplifiers
• Handles up to 400 watts peak power with 90 dB sensitivity for efficient and powerful output
• Includes stainless-steel U-bracket and multiple mounting inserts for flexible installation options
• Compact design fits into tight spaces without sacrificing sound quality
• White finish blends discreetly with light-colored walls and ceilings, maintaining aesthetic appeal

Key specs

• Coverage pattern: 100° horizontal by 100° vertical constant directivity
• Woofer size: 5.25 inches high-excursion
• Power handling: up to 400 watts peak
• Sensitivity: 90 dB
• Impedance: 8 ohms bypass; selectable 70 V and 100 V transformer taps
• Enclosure rating: IP55 for protection against rain and dust
• Dimensions: approximately 6 × 12 × 9 inches (W × H × D)
• Mounting: stainless-steel U-bracket included

Connectivity and compatibility

This speaker supports both low-impedance and distributed audio systems, making it versatile for various professional audio setups. The internal transformer offers multiple tap settings for 70 volt and 100 volt systems, which are common in commercial and outdoor installations. The 8 ohm bypass switch enables direct connection to standard amplifiers used in live sound or low-impedance configurations. This flexibility allows it to integrate seamlessly with Bose PowerMatch and PowerSpace amplifiers or other compatible equipment.

Ideal uses and environments

The ArenaMatch Utility AMU105 is well suited to outdoor bars, small stadium sections, house-of-worship overflow areas, restaurant patios, pool decks, and theme-park walkways. Its weather-resistant design and compact footprint make it a strong choice for venues that require dependable sound reinforcement without large, obtrusive speakers. It works effectively for background music, paging, and zone fill applications where clear and consistent audio is essential despite environmental challenges.