Grado GS3000x

The GS3000x represents the culmination of nearly 70 years of acoustic research conducted by Grado Labs from a kitchen table in Brooklyn. This open-back, over-ear headphone combines for the first time the new 52 mm X Drivers with a hybrid construction pairing cocobolo wood with an internal metal chamber, thereby setting new benchmarks within the New York manufacturer’s Statement Series.

Artisan construction where cocobolo meets metal

The GS3000x marks a significant evolution in Grado’s construction approach. Unlike the previous GS3000e model whose housings were entirely crafted from cocobolo, this new iteration adopts a sophisticated hybrid structure. Cocobolo, a Central American tropical hardwood renowned for its exceptional density and prized acoustic properties in luthiery, now surrounds an internal metal chamber. This combination increases the overall mass while precisely controlling the rigidity needed to optimally drive the new large-format transducers.

Each pair stands out thanks to the cocobolo’s unique natural figuring, with dark veins forming distinctive arabesques that vary from one unit to another. The substantial housings extend well beyond the perimeter of the ears, asserting the domestic character of this headphone designed for stationary listening. The metal hinges, a notable upgrade over entry-level models, pivot on aluminum rods that slide into the brand’s familiar plastic blocks, discreetly marked “L” and “R.”

The new black leather headband, adorned with contrasting white stitching, retains the minimalist finesse characteristic of Grado. Although its padding remains minimal, the relative lightness of the whole—about 450 grams—makes this simplicity perfectly tolerable during long listening sessions. The large black foam G-Cush earpads, true visual signatures of the Statement range, fully surround the ears in a decidedly circumaural configuration.

The 52 mm X Driver transducer: a technical first for Grado

At the heart of the GS3000x is the brand-new 52-millimeter dynamic X Driver transducer, the largest ever developed by Grado Labs. This 2 mm increase over the GS3000e’s 50 mm comes with a complete overhaul of the internal architecture. The magnetic circuit benefits from increased power, while the voice coil’s effective mass is reduced. The diaphragm has been entirely reconfigured to optimize the frequency response, which now extends from 4 Hz to 51 kHz.

This design, specifically tuned to exploit the characteristics of cocobolo and the precision provided by the metal chamber, improves overall efficiency while reducing distortion. With a sensitivity of 99.8 dB SPL per 1 mV and an impedance of 38 ohms, the GS3000x retains the brand’s traditional ease of drive. These values allow for comfortable listening levels from a wide variety of sources, from a simple smartphone to the most sophisticated dedicated amplifiers, although the headphone naturally reveals its full potential with quality electronics.

The matching tolerance between the two transducers reaches 0.05 dB, reflecting the care taken in selecting and calibrating each pair. This precision in matching directly contributes to the coherence of the soundstage and the stability of the stereophonic image—essential characteristics for a headphone with such ambition.

Rethought cabling for greater purity

The GS3000x’s wiring system represents a substantial improvement over previous generations. The new 12-conductor super annealed copper cable replaces the former 8-conductor model, promising signal transmission with fewer impurities. This 1.8-meter Y-configuration terminates with a 6.35 mm jack connector, a clear assertion of the product’s domestic and audiophile positioning.

The cable features a braided fabric outer jacket that is more durable than previous sheaths. However, this construction remains non-detachable, a technical choice Grado assumes to preserve signal integrity but which may divide users accustomed to modularity. The cable, while more robust, retains a certain stiffness and significant weight—around 153 grams according to some measurements—which may require an adaptation period. Folds and bends formed during storage tend to persist, a characteristic that requires particular attention during setup.

This fixed-cable approach, a constant philosophy at Grado since its beginnings, demonstrates the absolute priority given to sound quality over practical considerations. The manufacturer considers every additional connection a potential source of signal degradation, thereby justifying this controversial technical choice, yet one that is consistent with its purist vision of audio reproduction.

Acoustic performance and source compatibility

The GS3000x stands out with its ability to create a remarkably expansive soundstage, a characteristic reinforced by the combination of large earpads, the new 52 mm driver, and the voluminous acoustic chamber. This generous spatialization makes it possible to distinctly perceive the space between instruments, creating a particularly convincing sense of immersion on well-recorded material.

The sound signature moves away from the sometimes excessive brightness of more accessible Grado models to deliver a more balanced and refined presentation. The bass gains in definition and impact without dominating the spectrum, while the mids retain the natural texture that has earned the brand its reputation. The highs, detailed without being fatiguing, contribute to the sense of air and openness typical of open-back designs.

Thanks to its moderate impedance and high sensitivity, the GS3000x accommodates a wide variety of sources. A simple portable player or a computer’s headphone output is sufficient to achieve satisfying listening levels. Nevertheless, the headphone progressively reveals its capabilities with more ambitious electronics. Solid-state amplifiers generally offer better control and superior definition, while tube amplifiers, despite their alluring musicality, can reveal an audible noise floor due to the headphone’s high efficiency.

The open-back design entails a total absence of acoustic isolation in both directions: the listener perceives all surrounding noise, while those nearby can distinctly hear the music being played. This fundamental characteristic naturally steers the GS3000x toward domestic use in a dedicated space, away from noisy or shared environments.

Technical Specifications

Acoustic Design

• Type: open
• Form: circumaural
• 52 mm diameter dynamic drivers
• Metal acoustic chamber

Electrical Specifications

• Frequency response: 4 Hz to 51 kHz
• Sensitivity: 99.8 dB SPL at 1 mV
• Impedance: 38 ohms
• Tolerance: 0.05 dB

Wiring and Connectivity

• 12 conductors
• Non-detachable Y cable
• Braided fabric sleeve
• Length: 1.8 m
• Source connector: 6.35 mm jack
• Earpiece connectors: fixed

Construction and Materials

• Cocobolo wood housings
• Replaceable foam ear pads
• Leather headband

General Information

• Weight: approximately 450 g