Boulder 866 integrated Dac/streaming

A full-color touch screen displays all of the available inputs and setup features in addition to the amplifier's status and setup modes

Excellent power, dynamics, and control from 200W of amplifier power into any loudspeaker load

A dedicated Boulder app controls the 866 and makes custom setup adjustments, including adding photos of your sources to the inputs shown on the 866's front panel, optional RF remote for volume control and switching inputs also available

The analog+digital version of the 866 adds digital inputs for USB, Ethernet, AES3, Toslink, Air-Play, plus Roon integration

Boulder's traditional 0.25" (6 mm) thumbscrew binding posts are included for secure speaker cable connections and optimal sound quality

• INPUTS

  3 pairs balanced analog via 3-pin XLR

• DIGITAL INPUTS

  Ethernet, USB x 4, AES3 (adaptable to S/PDIF), Toslink (optical), WiFi

• OUTPUTS

  0.25" (6 mm) binding posts

• CONTINUOUS POWER, 8 OHMS

  200W per channel

• PEAK POWER, 8 OHMS

  250W per channel

• CONTINUOUS POWER, 4 OHMS

  400W per channel

• PEAK POWER, 4 OHMS

  400W per channel

• PEAK POWER, 2 OHMS

  700W per channel

• DISTORTION, THD

  0.01%

• EQUIVALENT INPUT NOISE (EIN), 20 kHz

  2 μV

• INPUT IMPEDANCE

  100k ohms, balanced

• MAXIMUM ANALOG GAIN

  40.4 dB

• FREQUENCY RESPONSE, 20-20 kHz

  0.00, -0.04 dB

• FREQUENCY RESPONSE, -3 dB

  0.015 Hz, 150 kHz

• POWER REQUIREMENTS

  100V, 120V, 240V, 50-60 Hz

• POWER CONSUMPTION

  1000W maximum

• DIMENSIONS

  17" W x 15.4 D x 7.25" H
  (44 cm W x 39 cm D x 19 cm H)

• WEIGHT

  54 lbs.
  (24.5 kg)

• SHIPPING DIMENSIONS

  24" W x 23" D x 14" H
  (61 cm H x 59 cm D x 36 cm H)

• SHIPPING WEIGHT

  64 lbs.
  (29 kg)