BST XL1500 - Professional Class H Power Amplifier with SMPS

BST XL1500 – Professional Class H Power Amplifier with SMPS

The BST XL1500 amplifier utilizes switching mode power supply (SMPS) technology and Class H amplification to deliver high performance and energy efficiency in PA installations. Designed for proven stability at 2 Ω and featuring progressive air cooling, it incorporates overheat, VHF, short circuit, DC current, and a soft-start circuitry, ensuring reliability in continuous use. Its operating modes (stereo, parallel, and bridge) and professional connectivity (XLR/jack/RCA inputs and speakON/terminal block outputs) make it a versatile solution for touring, auditoriums, and concert halls.

Main features

• RMS power per channel: 2× 450 W @ 8 Ω; 2× 750 W @ 4 Ω; 2× 1000 W @ 2 Ω.
• Bridge mode: 1,500 W @ 8 Ω bridge; 2,000 W @ 4 Ω bridge.
• Operating modes: Stereo, parallel and bridge.
• Amplification: Class H for maximum efficiency without sacrificing sound quality.
• Power supply: High efficiency and low weight SMPS.
• Cooling: Progressive ventilation according to internal temperature.
• Protections: Overheating, VHF, short circuit, DC, soft-start.
• Inputs: 2× balanced XLR, 2× 6.3 mm jack, 2× RCA.
• Outputs: 2× speakON Turnlock, 2× terminal blocks.
• Stability: Capable of working continuously at 2 Ω.
• Carrying handles: Integrated into the 2U rack chassis.

Product benefits

• High efficiency: SMPS and Class H reduce consumption and heat generated.
• Configuration versatility: With stereo, parallel or bridge modes for multiple applications.
• Professional reliability: Advanced protections and adaptive ventilation ensure uninterrupted operation.
• Complete connectivity: Both speakON and terminal block inputs and outputs for integration into any PA rack.

Use cases

• Sound reinforcement installations in concert halls and auditoriums.
• Mobile PA systems for tours, festivals, and corporate events.
• Bi-amplification of subwoofers and satellites in advanced configurations.
• Fixed sound installations in theaters, studios, and cultural centers.

Frequently Asked Questions

• Can I use it in bridge mode? Yes; in bridge mode it delivers up to 1,500 W at 8 Ω or 2,000 W at 4 Ω.
• Is it stable with 2 Ω loads? Yes; it can continuously handle 1,000 W per channel at 2 Ω.
• What connections do you need? Use balanced XLR for input and speakON or terminal blocks for output, depending on your system.

Description for projects

BST XL1500 amplifier, 2 U rack, SMPS, Class H, 2×450 W@8 Ω, 2×750 W@4 Ω, 2×1 000 W@2 Ω, bridge 1 500 W/8 Ω–2 000 W/4 Ω, stereo/parallel/bridge modes, progressive cooling and multiple protections, XLR/jack/RCA inputs, speakON/block outputs, integrated handles.