OPTIMUS AC-520 Horn Speaker

OPTIMUS AC-520 Exponential Horn Speaker 20W 100V Line

The Optimus AC-520 is a compact circular exponential horn loudspeaker rated at 20W RMS on a 100V distributed audio line, designed for outdoor and indoor public address, voice paging, and general sound reinforcement applications. The weatherproof ABS enclosure is rated IP-67, making it suitable for outdoor environments, and the adjustable stainless steel bracket allows precise aiming. Low impedance operation at 8 ohms is also available for use with standard amplifiers. The 100V transformer provides three selectable power taps for flexible system integration.

Key Features

• Compact circular exponential horn design with high sensitivity of 105 dB (1W, 1m, 1 kHz) for efficient long-range sound projection.
• IP-67 weatherproof rating for reliable outdoor and demanding indoor installations.
• Three selectable 100V line taps (20W, 10W, 5W) plus 8-ohm low impedance connection for flexible system design.
• Adjustable stainless steel bracket for precise aiming of the horn.
• Compact 130 mm circular horn mouth for unobtrusive installation.

Technical Specifications

• Product code: AC-520
• RMS power: 20W
• Maximum power: 30W
• 100V line taps: 20W / 10W / 5W
• 70V line taps: 10W / 5W / 2.5W
• Low impedance: 8 ohms
• Sensitivity: 105 dB SPL (1W, 1m, 1 kHz)
• Maximum SPL: 118 dB (20W, 1m, 1 kHz)
• Frequency response: 500 to 7,000 Hz
• IP rating: IP-67
• Dimensions: 130 mm (diameter) x 175 mm (length)
• Weight: 1.7 kg
• Enclosure: ABS, white (RAL 9016)

What's Included

• 1 x AC-520 horn speaker
• 1 x Adjustable stainless steel mounting bracket

Who Is It For?

• AV installers and system integrators fitting outdoor and indoor public address systems in car parks, sports facilities, industrial sites, and commercial buildings.
• Venues requiring a weatherproof, high-sensitivity horn loudspeaker for long-range voice paging or background music on a 100V distributed audio system.

Can't find the Optimus product you're looking for? Contact us: info@stageiq.lt or +370 636 55536.