OPTIMUS AC-520 Horn Speaker
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Description
Description
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.

