The HLabs AMP4100 is a professional-grade 4×100W studio reference amplifier designed for immersive audio applications, boasting high-end analogue input circuitry, a compact 1U fanless design for silent operation, renowned Hypex UcD™ amplification technology, and customisable features to meet the exacting demands of modern audio professionals.

Superior Power and Precision

The AMP4100 delivers 4×100W of exceptionally clean power at 4Ω, making it ideal for multi-channel studio setups. It also offers impressive versatility with power outputs of 4×60W at both 8Ω and 2Ω, ensuring compatibility with a wide range of speakers. The electronically balanced inputs feature studio-grade buffer circuits to guarantee perfect impedance matching with any audio source. Users can rely on the integrated Signal/Clip LEDs for each channel to monitor system performance with precision.

Innovative Design for Studio Excellence

Engineered for professional environments, the AMP4100 offers a sleek, space-saving 1U rack-mounted form factor, leaving ample room for additional studio equipment. Its fanless design ensures completely silent operation, a critical feature for control rooms where ambient noise can compromise audio quality. The device uses Neutrik© XLR connectors for secure, high-quality signal transmission, and an earth lift function eliminates ground loops to optimise sound integrity.

Exceptional Build and Performance

The AMP4100 incorporates pop-free start and stop functionality, ensuring smooth and silent operation at all times. Advanced protection features include DC-error detection with automatic power shutdown and overheating safeguards, providing reliability and durability under demanding conditions. The amplifier achieves a remarkable efficiency of 92% at full power due to its Class-D amplification technology, minimising energy consumption and heat generation.

Technical Specifications and Build Quality

The AMP4100 is meticulously crafted with a frequency response of ±1dB from 20Hz to 25kHz, ensuring uncoloured and accurate sound reproduction. Its distortion remains exceptionally low at just 0.03% from 20Hz to 20kHz at 1W, meeting the standards required for high-fidelity studio work. The amplifier supports effortless speaker wiring via an 8-pin Phoenix connector and comes equipped with an IEC power cable as standard. A V-LOCK power cable is available as an optional accessory.

Craftsmanship and Customisation

The HLabs AMP4100 is designed and assembled in Saint-Vérand, France, with all components sourced from trusted partners across France and Europe. As part of HLabs’ Custom Series, it is made to order, with limited stock occasionally available. Professionals can request customisations to tailor the AMP4100 to their specific requirements, ensuring an amplifier that perfectly complements their studio setup.

Power Supply and Energy Efficiency

This amplifier operates on a standard 180-260V | 50-60Hz power supply, with a 90-130V option available upon request. Its energy-efficient design results in idle losses of less than 16W and a maximum power consumption of 470W, making it a cost-effective and environmentally conscious choice.

Compact, Reliable, and Professional

Weighing only 4.1kg and measuring 483x270x44mm, the AMP4100 fits seamlessly into professional studio racks without compromising on performance or reliability. Its robust construction and innovative features make it an indispensable tool for audio professionals seeking pristine sound, dependable performance, and customisation flexibility.