The HD25 is the natural digital hub in any audio system. It has four digital inputs and two analog outputs. The digital inputs can be used to connect a tablet, computer, streamer, Sonos, cable TV or music center to your existing audio system. And with greatly improved sound quality. The HD25 has a built in pre amplifier and a remote control which allow easy integration with active loudspeaker systems or headphone amplifiers. Should you lose your remote control, you may switch inputs by simply tapping on the front panel. If you plan to use it together with a computer as a source, the HD25 is especially clever. Out of the box it is very simple Plug & Play. Connect the USB cable and immediately enjoy high quality sound.

On the technical side, the HD25 borrows a lot of technology from the Hegel Reference products. One of these is the use of silicon germanium transistors. These components add extremely low levels of noise, resulting in unsurpassed levels of resolution and a more natural and pleasant sound. You can also switch between two different digital filters to adjust the sound to your taste. All inputs are impedance matched to minimize distortion due to the quality of the digital cables. In addition, all inputs are galvanically isolated.

OPTIONAL: If you want to explore super high resolution material (24/192) on USB, the HD25 supports this too. You simply flip a switch on the rear panel and install our high resolution driver. All other inputs supports this resolution without any extra drivers.

Technical Details

DAC resolution: 32bit / 192 kHz multilevel sigma-delta DAC
0dBFS signal output: 2,5V RMS
Digital inputs: 1*USB soundcard, 2*coaxial and 1*optical S/PDIF
Line outputs: 1 pair of RCA unbalanced, 1 pair of XLR balanced
Frequency response: 0 Hz to 50 KHz
Phase response: Linear Phase Analogue filter
Noise floor: Typically -145 dB
Distortion: Typical 0,0006%
Power supply: Built-in torodial transformer, 30,000 uF capacitors
Output impedance: 22 ohms unbalanced and 44 ohm balanced
Dimensions/weight: 6cm * 21cm * 26 cm (H*W*D), 3,5 Kg
Dimensions/weight US: 2.35″ x 8.3″ x 10.24″ (HxBxD), weight 7 lbs

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