美國品牌 BOSE 502BP PORTABLE 落地喇叭 超低音喇叭 看電影聽音樂唱歌的好喇叭 ~價格為1顆

Low-frequency loudspeaker designed for indoor permanent installations. The 502 B loudspeaker features patented Acoustimass speaker technology to deliver non-localizable bass to 45 Hz.
Key Features
• Single 12" (305 mm) woofer with Bose patented Acoustimass speaker technology, which reduces audible distortion and delivers non-localized bass
• 450 W long-term and 1800 W peak power rating
• Integrated suspension inserts allow easy permanent installations with optional rigging accessories
• Engineered to match acoustically with the Panaray 502 A speaker systems

Technical Summary
• Frequency Response (+/-3 dB): 50 Hz - 140 Hz
• Frequency Range (-10 dB): 45 Hz - 160 Hz
• Nominal Dispersion: Omni-directional below 200 Hz
• Long-Term Power Handling: 450 W (1800 W peak)
• Sensitivity (SPL / 1 W @ 1 m): 90 dB SPL
• Maximum SPL @ 1 m: 116 dB SPL (122 dB SPL peak)
• Nominal Impedance: 8 ohm

Physical
• Enclosure: Vinyl-wrapped, high-density wood composite
• Environmental: Indoor use only
• Connectors: Two (2) parallel-wired barrier strips
• Suspension / Mounting: Eight (8) 8 mm threaded inserts (4 top, 4 bottom), 20 mm depth
• Dimensions: 31.0" H x 14.0" W x 15.5" D (787 mm x 356 mm x 394 mm)
• Net Weight: 85 lb (38.6 kg)

BOSE 502 BP Portable Acoustimass Bass  低音揚聲器

Panaray 502BP設計做為室內固定安裝用途，配備了專利的Acoustimass® 音響氣量流揚聲器技術，可提供低達 45 Hz 的無方向性低頻擴展。

當需要更多低頻擴展能量的應用場合時，在揚聲系統中加入502® B低音揚聲器，可使低頻響應降至達55Hz。採用Bose專利Acousticmass®音響氣量流科技，經由聲學物理特性有效濾除低頻失真，產生出純淨渾厚的低頻能量。因此可擺放在任何位置，甚至隱藏在看不到的地方，可廣泛應用於教堂、體育場館、電影院、演藝廳、體育場及購物中心等場所。