Overview
Engineered to the highest Marantz purist audiophile standards, the HD-AMP1 digital integrated amplifier serves as the heart of your music system, and features the latest digital audio technologies that extract the utmost fidelity from the widest range of audio sources. Equipped with multiple digital inputs, including 2 optical, 1 coaxial along with 2 USB ports, the HD-AMP1 features the ability to decode the latest generation lossless high resolution audio file types, including WAV, AIFF, ALAC, FLAC at up to 24-bit/192-kHz resolution, along with the ability to play MP3, WMA and AAC tracks. The rear panel USB-B port features advanced noise isolation so you can connect your PC or Mac and stream even higher resolution files, up to 32-bit/384-kHz. The HD- AMP1 is equipped with the reference grade ESS SABRE DAC and dual master clock crystals for the widest bandwidth, highest dynamic range and lowest distortion, and the HD-AMP1 can also play your favorite DSD hi-res audio tracks including 2.6/5.2/11.2-MHz.
The powerful amplifier features cool-running high resolution Class D technology and boasts wide dynamic range, extended frequency response and high current capability – the HD-AMP1 is fully rated to drive low impedance 4 ohm speakers, with 35 watts per channel into 8 ohms and 70 watts per channel into 4 ohms.
Throughout the HD-AMP1 there are 3 circuit blocks that feature our exclusive HDAM-SA2 technologies, including the analog front end, D/A converter I/V block as well as the dedicated headphone amplifier block, which also features 3 selectable gain levels to handle the widest range of headphone impedances, and it has its own volume control.
In addition to the digital inputs there are 2 analog inputs and there’s also a subwoofer output. For compatibility with the widest range of speaker cable terminations, the HD-AMP1 features our premium SPKT-1 connectors.