87%
Pass Labs XS Phono
The XS Phono is an all-out statement: built to extract the most musical truth from the smallest signals in your system. It’s designed for the moments vinyl lovers live for—when the room goes quiet and the soundstage blooms into something you can almost touch.
With a two-chassis architecture and obsessive attention to noise and precision, it delivers a calmer background, richer tone, and a more believable sense of space—so records feel less like playback and more like presence.
The experience is scale and subtlety at the same time: delicate ambience, powerful dynamics, and a remarkable sense of “continuous” music rather than hi-fi artifacts. If your analog front end is your reference source and you want the phono stage to keep pace with the best cartridges and turntables available, the XS Phono is built for that level of commitment.
SPECS AT A GLANCE
- Gain options: 56 / 66 / 76 dB
- Inputs:
- RIAA response: ±0.1 dB (20 Hz–20 kHz)
- Power consumption: 55 W | Chassis: 2 | Weight: 80 lbs
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Tailored for demanding vinyl rigs, the XS Phono combines obsessive engineering and airy transparency with pinpoint imaging. Its massive regulation, separate power chassis and toroidal transformers yield a low-noise, dynamic presentation, while front-panel controls and 76 dB gain allow wide cartridge compatibility. Constantine Soo found it both refined and easy to operate.
Pros
- Massive dual‑chassis build with heavy regulation and toroidal transformers provides very low noise and rock‑steady performance.
- Wide cartridge support and user control: three gain settings (56/66/76 dB), broad impedance and capacitance options, plus per‑input memory.
- Exceptional imaging and tonal definition — reviewer reported improved spatiality when separating the chassis.
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Cons
- Two‑chassis form factor is large and requires significant space and careful placement for optimal sound.
- Capacitance adjustments produced little effect on moving‑coil cartridges in the reviewer's setup.
Sound Quality
88/100
Weighted average of sub-criteria below.
Transparency Noise Floor
90/100
Review highlights the XS's massive power supply, dual-mono topology and "hyper sensitivity for the feeble signals to pass through," implying excellent noise performance and RIAA fidelity even if the reviewer did not use explicit 'dead quiet' phrasing.
Tonal Balance Musicality
88/100
Reviewer notes improved tonal definition and the intensive design effort (numerous precision parts and board layout) intended to preserve musical detail; language is positive about tonal definition and musicality without excessive superlatives.
Dynamics
86/100
The review's emphasis on high-quality power regulation and sensitivity suggests lively, well-controlled dynamics, though the reviewer stopped short of emphatic language such as 'jaw-dropping' dynamics.
Soundstage Imaging
89/100
The reviewer specifically cites improved spatiality and tonal definition when chassis placement is optimized, indicating strong imaging and spatial cues preserved by the XS Phono.
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Cartridge Compatibility
88/100
Three gain settings (56, 66, 76 dB), broad capacitance choices (100-750 pF), impedance options and per-input memory give strong flexibility for both MM and MC users; the reviewer found 76 dB ideal for their cartridges. Capacitance had no effect on MCs per the review, which is noted but overall the unit provides wide, usable adjustment and per-input presets.
Build Quality
92/100
Reviewer details heavy-duty construction: two large chassis, multiple toroidal transformers, substantial component count (cited '1,500 parts'), and dual-mono implementation. Comments convey premium engineering and robust execution rather than mere cosmetic praise.
Value for Money
81/100
The review does not discuss price or value relative to competitors; given the very high listed price (~$49,500) and absence of reviewer commentary on value, a neutral baseline score is applied per guidance.
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