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Two versions are available to suit any system: all-analog for more traditional systems and analog+digital for the streaming digital media listener Excellent power, dynamics, and control from 200W of amplifier power into any loudspeaker load A full-color touch screen displays all of the available inputs and setup features in addition to the amplifier's status and setup modes 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 In-house manufacturing efficiency improvements have made the 866 an incredible value in comparison to previous integrated amplifiers New protection circuitry enables the 866 to deliver greater current at maximum output without fear of damage to the amplifier's electronics The analog+digital version of the 866 adds digital inputs for USB, Ethernet, AES3, Toslink, plus Roon integration and wireless streaming via Apple's AirPlay to the standard three pairs of analog inputs Along with assembly and testing, every circuit board and piece of metalwork is produced in-house at Boulder's dedicated facility for unparalleled quality assurance Boulder's traditional 0.25" (6 mm) thumbscrew binding posts are included for secure speaker cable connections and optimal sound quality
Specifications
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)