Estimated price (community-sourced)
Around — community and catalog average, updates slowly
About the 865
The 865 is a meticulously crafted, high-performance integrated amplifier from Boulder Amplifiers, featuring a fully balanced, differential, three-stage input circuit for ultra-low distortion and noise. It delivers 150 watts per channel into 8 ohms and 300 watts into 4 ohms, making it suitable for a wide range of loudspeakers. The amplifier is housed in a robust, brushed aluminum chassis with a distinctive industrial design and offers intuitive controls, including an optically connected volume knob and a clear, adjustable LCD display. It is designed and hand-built in Boulder, Colorado, and shares technology with Boulder's more expensive models.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 150W @ 8Ω
- Power @ 4Ω
- 300W @ 4Ω
- Minimum Impedance
- 4Ω
- Input Impedance
- 100Ω
- Max Input Voltage
- 6.0V RMS
Analog Output
Analog signal output specifications
- THD
- 0.004%
- SNR
- 108 dB
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- XLR
- Analog Outputs
- XLR
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 431.8 × 187.4 × 386.1 mm (W × H × D)
- Weight
- 21.3 kg (47 lbs)
Key Specifications
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions