FU-A10K Professional Power Amplifier – K Series 10-Channel Class D

The FU-A10K is a professional 10-channel Class D amplifier engineered for maximum channel density without sacrificing power, efficiency or reliability. Designed for modern installations and touring systems, it replaces multiple amplifiers with a single high-density solution.

FU-A10K | 10 x 1000W Class D | Designed for Demanding Live Sound Touring and Fixed

The FU-A10K professional power amplifier is designed for demanding live sound touring and fixed installation environments where reliability, channel density and efficiency are critical. With 10 x 1000W @ 8Ω or 10 x 1600W @ 4Ω in just 3U, this K Series Class D platform gives system designers the power to drive line arrays, subwoofers and distributed loudspeakers from a single, lightweight chassis. For production companies and integrators, that means fewer amps in the rack, simpler wiring and more headroom show after show.​

Behind the FU-A10K is advanced Class D topology with high-efficiency PWM and a switch-mode power supply with active PFC, delivering more than 90% energy efficiency while maintaining a flat 20Hz–20kHz response, THD+N below 0.05% and SNR above 105dB. The result is clean, controlled power that stays stable at 2Ω, 4Ω and 8Ω loads, with high damping factor (>500 @ 1kHz) to keep low frequencies tight on modern line array and subwoofer systems. Comprehensive protection (short circuit, DC, temperature, soft start) and intelligent forced-air cooling keep the amplifier safe under touring conditions and continuous operation.​

In real-world applications, the FU-A10K professional power amplifier streamlines both mobile racks and permanent infrastructures. A single unit can consolidate multi-zone hotel audio, drive multiple circuits of array modules in a convention center, or handle front-of-house and fills in a touring rack. Balanced XLR and Speakon connectivity make integration straightforward, while bridge mode (5 x 3200W @ 8Ω) offers a powerful option for high-power subwoofer channels in large concert rigs.

External Resources and Technical Information:

• Professional Audio Line Array Design Principles
• Speaker Rigging Safety Standards
• Acoustical Society of America – Sound Reinforcement Resources

Professional Applications

• Live Sound Touring Racks: Multi-channel drive for line arrays and subs in compact, efficient racks.​
• Fixed Installations: Hotels, convention centers and mega-churches needing high channel count in limited rack space.​
• Distributed PA Systems: Multi-zone audio in malls, campuses and corporate facilities from a single amplifier frame.​
• Broadcast & Production Facilities: Clean, low-THD power for control rooms, studios and OB trucks.

Why Choose FEUR for Your FU-A10K System?

FEUR positions the FU-A10K as a FU-A10K professional power amplifier purpose-built for modern touring and fixed installation work, combining very high channel density with Class D efficiency. By delivering up to 10 x 1600W @ 4Ω in 3U with advanced protection and SMPS with active PFC, it reduces rack weight, power consumption and heat load compared to traditional linear amps. For contractors and rental companies, this translates into lower operating costs, easier logistics and greater reliability on demanding shows where every kilogram and every ampere count. The ability to configure the FU-A10K in standard multi-channel mode or in powerful bridge configurations (5 x 3200W @ 8Ω) gives system designers the freedom to drive full-range cabinets, line array circuits and high-power subwoofer channels from a single frame.​

Beyond raw power, FEUR has tuned the FU-A10K for real-world usability in touring and fixed environments: high damping factor for tight low-frequency control, low THD+N for clean reproduction, and a noise floor that keeps sensitive spaces like theaters, churches and broadcast rooms quiet between cues. Intelligent thermal management, with forced ventilation and temperature monitoring, ensures that the amplifier can run for hours in hot racks without derating, which is critical for festivals, convention centers and mega-church services. Balanced XLR I/O and Speakon outputs streamline integration with existing inventories, while consistent front-panel layout across the K Series helps technicians deploy and troubleshoot quickly under pressure.​

The FU-A10K also fits naturally into FEUR’s ecosystem of line arrays and subwoofers, giving system designers a matched electronics backbone for their loudspeaker deployments. Its flexible configuration (stereo, multi-channel and bridge modes) lets integrators cover mains, fills and subs from one frame, simplifying inventories and spare management. FEUR backs this with professional support, documentation and long-term parts availability, so venues and rental houses can standardize on a platform that will stay in service for years. For owners, choosing the FU-A10K means investing in an amplifier solution that scales with future projects, whether that means adding more channels to a distributed system, upgrading to higher-output speaker systems or building new touring racks around the same proven core.