Eleven Audio XIAUDIO Formula S Headphone Amplifier
Best high-end amplifier for audiophiles seeking tube-like warmth and precision.
This amplifier delivers the lush, harmonic richness of a high-end tube setup without the maintenance or heat of vacuum tubes. It is a masterclass in Class A power, providing the effortless authority needed to make even the most demanding planar magnetic headphones truly sing.
$3509.10
at
Audio46
Who it's for
- Owners of power-hungry, high-impedance flagship headphones
- Design-conscious listeners valuing premium craftsmanship and longevity
- Audiophiles seeking absolute transparency and sonic detail
Who should skip it
- Budget-focused listeners prioritizing value over high-end performance
- Commuters or users needing a compact, portable audio solution
- Minimalists wanting an all-in-one digital audio solution
Performance breakdown
Power Delivery
Class A output provides effortless drive for the most demanding planar headphones.
Sonic Signature
Delivers rich, tube-like harmonic warmth without the maintenance of vacuum tubes.
Build Integrity
Robust all-aluminum chassis ensures long-term durability and minimal signal interference.
Connectivity Versatility
Comprehensive output options accommodate almost any high-end headphone cable configuration.
Signal Clarity
Extremely low noise floor preserves micro-details in high-resolution audio tracks.
Desktop Ergonomics
Compact footprint fits easily into refined, space-conscious high-end audio setups.
Key Specs
Input Connectors
XLR, RCA
Input Z
10 Kohms
Output Power
6W @ 16 ohms
Input Sensitivity
1000 mV
Gain
Selectable 10 dB (Low) / 16 dB (High)
THD
0.0006% @ 300 mW
Noise floor
-110 dBV
Dimensions
24 cm x 29.3 cm x 13 cm
Weight
4.8 kg
Power
100-115VAC/230 VAC, 50/60 Hz, CE certified
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