Overview:

• HDV 820Sennheiser’s HDV 820 is the next generation of its acclaimed digital headphones amplifier, designed to complete the Sennheiser audio experience and perfectly complement its high-end audiophile headphone range for the ultimate acoustic performance.
• The HDV 820 can be used as a pure amp, pre-amp and also as a DAC/Amp. It has balanced and unbalanced inputs and outputs and supports DSD playback.
• On the front panel you have a 6.3mm/3 pin XLR combo single ended headphone out, a balanced 4-pin XLR output and a pair of 4.4mm balanced pentaconn outputs. You also have the power button, source select knob and volume knob.
• On the back you have the balanced analogue inputs and outputs, single ended analogue input, gain knob, and finally the optical, coaxial and USB digital inputs.
• A very versatile unit that can be fitted into any system.

Features:

• Symmetrical signal processing with exact signal transmission over the entire frequency spectrum and extremely low harmonic distortion
• Dynamic range of more than 120 dB, wide bandwidth and high transient response due to short signal paths
• Outstanding ESS SABRE32 DAC (digital-analog converter) with a resolution of 32 bits and a sampling rate of up to 384 kHz
• Automatic adjustment of the sampling rate (44.1 kHz to 384 kHz)
• USB Audio (up to 32 Bit/384 kHz and up to DSD256)
• Can be used with up to four dynamic headphones
• 3 balanced headphone sockets (2 x 4.4 mm Pentaconn jack socket, 1 x XLR-4 socket)
• High-quality XLR-3/¼" (6.35 mm) jack combo socket for connection of unbalanced headphones
• High flexibility due to different connection possibilities: Digital inputs: S/PDIF coaxial/optical, USB, Analog inputs: balanced XLR-3, unbalanced RCA
• Analog output: balanced XLR-3, level adjustable (for connection of active loudspeakers or a power amplifier)