HeadAmp GS-X Mini Balanced Headphone Amplifier/Pre-Amp
The GS-X Mini pairs natural warmth with incisive detail, delivering deep, taut bass, silky treble air and a remarkably three-dimensional soundstage from its compact Class A chassis. AUDIOKEY REVIEWS celebrates its musical resolution and dynamics, while Golden Sound highlights its textured, inviting voicing and wide headphone synergy.
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Deliciously Crispy
Sound Quality
91/100
Build Quality
91/100
Features Usability
89/100
Value for Money
95/100
Pros
Rich, naturally warm yet highly resolving presentation, with textured mids and extended treble air.
Deep, taut bass, fast microdynamics and spacious, layered imaging.
Excellent build quality and versatile balanced/single-ended headphone and preamp connectivity.
Cons
Midrange elements can become slightly congested on dense mixes.
Macrodynamic attack and initial bass impact are slightly softened versus more incisive amplifiers.
Runs hot in Class A operation, making it unsuitable for stacking components on top.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 91/100
Reviewers describe an unusually engaging and resolving amplifier with substantial tonal richness, deep bass authority and a spacious presentation. Its character is warm and lightly lush rather than strictly neutral, with strong treble air, though one reviewer found the midrange can become somewhat congested and macro impact slightly softened.
Transparency Resolution
92/100
Audiokey Reviews calls the Mini transparent, highly detailed and beautifully resolving, highlighting its ability to separate and layer performers. Golden Sound likewise hears retained air, detail and upper-treble space despite the amplifier's fuller tonal balance.
Tonal Balance Musicality
92/100
The GS-X Mini is consistently described as musical, invitingly warm and texturally rich without becoming thick or overdone. Golden Sound notes a little added treble energy and occasional midrange congestion, while Audiokey hears natural warmth, palpable mids and a compellingly full bass response.
Dynamics
90/100
Audiokey Reviews praises exceptionally wide dynamic range, very fast transients and easily audible microdynamic detail. Golden Sound finds drums weighty and impactful, but also hears initial attacks and macrodynamic contrasts softened slightly compared with more incisive alternatives.
Noise Floor
89/100
Audiokey Reviews specifically attributes the Mini's dynamic range and treble clarity in part to a very low noise floor. The supplied reviews do not report hiss, hum or behavior with especially sensitive IEMs.
Headphone Compatibility
92/100
Audiokey Reports that the compact amplifier drove every headphone tried beautifully, describing convincing control and musical results across types. Its gain control plus balanced and single-ended headphone outputs add practical flexibility, though the reviews provide few model-specific pairing details.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
91/100
Both reviewers are emphatic about construction: Golden Sound calls the build fantastic, while Audiokey describes a solid, well-constructed, reassuringly substantial chassis. The low-profile form factor is also presented as practical rather than flimsy.
Features Usability
89/100
The GS-X Mini provides balanced and RCA inputs, balanced and single-ended headphone outputs, selectable gain, and both XLR and RCA preamp outputs. Its ability to switch the preamp section off is a useful touch, although this is an analog amplifier without integrated DAC, wireless, display or remote-control features.
Value for Money
95/100
At $1,995 in the cited review, Audiokey found few competitors near its price—or even at twice the price—that could compete, saying substantially better performance demands far more money. Golden Sound also characterizes it as an end-game amplifier for many listeners.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
YouTube Reviews
Forum Mentions
No forum mentions found yet
Specifications
- Headphone Output
- 6W @25Õ / 4W @50Õ / 2W @100Õ Balanced Output 1.5W @25Õ/ 1W @50Õ/ 500mW @100Õ SE Phones Out
- Operating Voltage
- 100v, 110-120, or 220-240 Configurations Available
- Power Consumption
- 25-30W
- Input Impedance
- 10 kOhm
- Volume Control
- Alps RK27 Potentiometer or 24-step DACT Attenuator
- Dimensions (including connectors)
- (W)11" x (L)9" x (H)2"
- Weight
- 6 lbs
Manufacturer's Description — HeadAmp
GS-X Mini
In stock and ready to ship! Some colors may take 2-3 days from time of order to ship.
GS-X Mini is our compact yet powerful desktop headphone amplifier. Capable of powering most high-end headphones, the GS-X Mini is perfect for an audiophile's home or office setup!
Factory B-Stock items undergo the same rigorous testing as all our premium HeadAmp amplifiers. B-Stock items may feature discontinued colors or minor cosmetic blemishes that do not compromise the exceptional quality and performance of the amps!
The Craftsmanship
A desktop-friendly one-box configuration helps GS-X mini fit conveniently into your home or office. HeadAmp's fastidious dedication to quality, fit, and finish make it a piece that retains its beauty through its long life of service. The characteristic colored front panels well-known from our Blue Hawaii SE and GS-X mk2 are available on GS-X mini allowing your choice of custom flourish.
The Story
Built using a special variation on our well-reviewed class-A audio circuit from the GS-X mk2 - based on the famous dual-differential design by Kevin Gilmore - the new GS-X mini is the first HeadAmp product to deliver balanced headphone drive from all audio sources, single-ended, or balanced. This means no more compromising your headphone experience when using a single-ended source, your high-end headphones will always benefit from the speed and power of balanced drive when connected to the GS-X Mini.
Now paired with a custom discrete power supply based on the Golden Reference Low Voltage design, the Mini can out put up to 6W making the GS-X mini a great pairing with most medium-to-low sensitivity headphones, and high impedance headphones, whose sound comes alive when given balanced drive and higher power. Models like the Sennheiser HD800S, HIFIMAN HE-1000SE, Audeze LCD-5 all benefit from the clean, steady power delivery just as well as with easier to drive headphones like the Dan Clark Audio Ether series, Audeze LCD-X, and HIFIMAN Ananda. With balanced drive from any source, even single-ended ones, there's no excuse not to give your high-end headphones the power they crave, by connecting them to the new GS-X Mini.
Verified Dealers
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Authorized dealers for HeadAmp GS-X Mini Balanced Headphone Amplifier/Pre-Amp
- 3mA Audio — online and in-store — Houston, Texas, United States (website)
- Audio 46 — online and in-store — New York, New York, United States (website)
- HeadAmp — online and in-store — Charlottesville, Virginia, United States (website)
- Moon Audio — online and in-store — Cary, North Carolina, United States (website)
- Soundlux Audio — in-store — Miami, Florida, United States (website)
- The Source AV Design Group — online and in-store — Torrance, California, United States (website)
- Wilbrand Acoustics — in-store — Nordhorn, Niedersachsen, Germany (website)