HA543 vs HA540 MK2
The HA540 MK2's power @ 8ω is 0.332W against the HA543's 0.326W, its signal-to-noise 80 dB against 92 dB, its thd 0.040% against 0.008%, and its input impedance 47000Ω against 10Ω.
AI-generated product photo — not official manufacturer imagery.
AmplifiersHeadphone Amplifiers
Estimated price (community-sourced)
$79 - $186
Around — community and catalog average, updates slowly
About the HA543
The Bellari Audio HA543 is a compact, USA-made stereo headphone amplifier designed for home and project studios. It provides clean, low-distortion headphone amplification with a default reference-grade sound, plus a selectable Enhance function for a more lively presentation. The unit accepts balanced XLR or unbalanced RCA line-level inputs, offers both 1/4-inch and 3.5 mm headphone outputs, and includes stereo RCA pass-thru outputs for feeding other gear. It is hand-built in Salt Lake City, Utah, and is specified to drive headphones from 8 to 600 ohms.
Specifications
Analog Output
Analog signal output specifications
- THD
- 0.008%
- SNR
- 92 dB
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA, XLR
- Analog Outputs
- 1/4-inch TRS, 1/8-inch TRS, RCA pass-thru
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 114 × 38 × 76 mm (W × H × D)
- Weight
- 0.45 kg (1 lbs)
Key Specifications
Power: 0.326W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions