Sennheiser HDV 820 | Balanced Headphone DAC & Amp

HDV 820 is the perfect match for your Sennheiser Headphones – and more Powerful output stage optimized for high-impedance headphones combined with a studio grade ESS9028PRO DAC. A great choice for a reference and professional listening with a wide range of headphones Connect digital sources via TosLink, S/PDIF, or USB, and connect analog sources with RCA or XLR Functions as a headphone amp or preamp. DAC supports decoding of virtually any codec, including DSD up to DSD256. Sound in Mind The HDV 820 is a reference-grade solution for critical listening tasks. With this in mind, the interface and setup process is designed for function and simplicity above all else, with an intuitive, distraction free design. The combination of Sennheiser's highly linear amp design, with the Professional Grade ESS9028PRO DAC delivers an incredible level of sonic purity – giving you every detail in every instrument and every note. Brilliant Performance with Any Source No matter what source you're using, HDV 820 can find a way. Connect legacy digital sources with optical or digital coax or your computer and mobile devices via USB. If you already have a DAC, use the RCA or XLR inputs and enjoy the purity of Sennheiser amplification. Specifications Dimensions: 224 x 44 x 306 mm Weight: 2.25 kg Frequency response: 10 Hz - 100 kHz Attenuation: 93 dB Total harmonic distortion (THD): < 0.001% Dynamic range: > 115 dB @ 600 Ω load (A-weighted) Max Output Power: 17vRMS (480 mW @ 1kHz and 600 ohm) DAC: ESS 9028PRO SABRE DAC Power Supply: 100 - 240 V, 50 - 60 Hz Power consumption: 12 - 18 W USB standard: USB 2.0 Headphone Connections: 6.35 mm jack socket, 4.4 mm Pentaconn, XLR-4 (optical) Sennheiser 2 Year Warranty