The McIntosh MHA100 is a headphone amplifier that also functions as a powerful speaker amplifier. It stands out with its substantial dimensions of 11.5 x 5.6 x 18 inches (292 x 141 x 457 mm) and a weight of 25.5 pounds (12 kg), embodying a robust design reminiscent of traditional McIntosh amplifiers. Connectivity options include RCA and XLR analog inputs, as well as coaxial, optical, and XLR digital inputs, allowing for versatile integration into various audio setups. The MHA100 is built with a 24-bit/192-kHz digital converter and employs proprietary transformer technology to accommodate a wide range of headphone impedances, from low (9 ohms) to high (600 ohms). It offers dual gain settings (normal and high) tailored to optimize performance with different headphone types. The front panel features a multi-function OLED display, dual illuminated power output meters, and comprehensive trim settings for fine-tuning the audio experience. The included Headphone Crossfeed Director (HXD) improves sound localization, mimicking the spatial quality of listening to loudspeakers. Additionally, it includes speaker outputs rated at 50 watts per channel, thus allowing simultaneous use with headphones and loudspeakers. The amplifier is protected against overheating and impedance mismatches with advanced safety features. This high-quality unit is compatible with various digital audio sources, including computers via USB with driver requirements varying by operating system. The McIntosh MHA100 is priced at $4,500 in the US, with its durability foreshadowing long-term use in audiophile systems.
