Description
BL 4500 Ver 4.0 Professional Power Amplifier
The BL 4500 Ver 4.0 is a next-generation Class H power amplifier designed to deliver exceptional output, precision sound reproduction, and rock-solid reliability. Built for professional touring systems, fixed installations, concert venues, and high-demand live sound applications, it combines raw power with refined audio performance.
High-Output Performance
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8Ω Stereo: 4 × 1000W
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4Ω Stereo: 4 × 1200W
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8Ω Bridge: 2 × 2000W
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4Ω Bridge: 2 × 2400W
With flexible stereo and bridge modes, the BL 4500 Ver 4.0 adapts easily to multiple speaker configurations, delivering powerful, clean amplification even under heavy loads.
Superior Sound Quality
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Frequency Response: 10 Hz – 20 kHz
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Signal-to-Noise Ratio: >100 dB
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Damping Factor: >3000 (8Ω)
Engineered for clarity and control, this amplifier provides deep, tight bass, detailed midrange, and crisp highs. The exceptionally high damping factor ensures precise speaker control and enhanced low-frequency accuracy.
Comprehensive Protection System
Designed for continuous professional use, the BL 4500 Ver 4.0 features advanced protection circuitry to ensure maximum reliability:
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Short-Circuit Protection
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DC Overload Protection
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Overheat Protection
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Ultrasonic & RF Protection
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Voltage Peak Limiter
These integrated safeguards protect both the amplifier and connected speakers in demanding environments.
Flexible Integration & Design
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Input Sensitivity: 0.775V / 1V / 1.4V
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Operating Voltage: 110V / 220V
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Fuse: F-10A
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Class: H
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Dimensions: 483 × 436 × 90 mm (2U Rack Mount)
Housed in a standard 2U rack-mount chassis, the BL 4500 Ver 4.0 fits seamlessly into professional audio racks and touring systems.














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