HP205D vs EAR HP4
The HP4's thd is 0.500% against the HP205D's 0.200% and its output impedance 2Ω against 16Ω. Both share power @ 8ω (1W) and signal-to-noise (90 dB).
AI-generated product photo — not official manufacturer imagery.
HP205D
Icon AudioAmplifiersHeadphone AmplifiersTube Amplifiers
Estimated price (community-sourced)
$3,380.66
Around — community and catalog average, updates slowly
About the HP205D
Icon Audio HP205D is a high-end, two-box, pure Class A valve headphone amplifier using directly heated triode output valves. It is available with either 300B or 205D output valves and uses point-to-point wiring, custom output transformers, and a stepped attenuator. It supports headphones from approximately 16 to 600 ohms and can be ordered with an optional built-in Bluetooth receiver, allowing it to function as both a dedicated headphone amplifier and a component in a hi-fi system.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 1W @ 8Ω
- Input Sensitivity
- 0.3V RMS
- Max Input Voltage
- 0.4V RMS
Analog Output
Analog signal output specifications
- THD
- 0.200%
- SNR
- 90 dB
- Output Impedance
- 16Ω
Connectivity
Input and output connections
- Bluetooth
- Yes
- Analog Inputs
- line
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 160 × 160 × 270 mm (W × H × D)
- Weight
- 7 kg (15 lbs)
Key Specifications
Power: 1W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions