Sophisticated headphone amplifier built-in with adjustable sensitivity.

Streaming capabilities, Roon endpoint, UPnP playback.

A software-enabled fixed DAC out option.

A dedicated Boulder app controls the 812 and makes custom setup adjustments.

Advanced circuitry enables the 812 to deliver greater current at maximum output without fear of damage to the amplifier's electronics

Volume knob and c ...

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CONNECTIONS (FRONT)

•4-Pin XLR Headphone Connector
•1/8” Headphone Connector
•1/4” Headphone Connector
•Pentacon Headphone Connector

CONNECTIONS (BACK)

•2 Pair XLR Analog Inputs
•1 Pair XLR Preamplifier Output
•4x USB Host
•Ethernet
•USB-B
•2 Optical Digital Inputs
•Coaxial (RCA, SPDIF) Digital Input

SOFTWARE FEATURES

•Based on 866 DSP Filter and DAC topology
•Configurable Headphone Sensitivi ...

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