Signature Series

Grado S750 Headphones

Transducer type:

Dynamic

Operating principle:

Open Air

Frequency response:

4 Hz – 48 kHz

SPL 1mW:

115 dB

Nominal impedance:

38 ohms

Driver Matched dB:

0.05

Ear pads:

B Cushions

Grado S750 Headphones

The Grado S750 is an open-back headphone in the modern Signature Line, combining aluminium housings with Grado’s new 50 mm S2 driver. It also introduced the B cushion, a different approach to the familiar Grado foam pad. Detachable cables and the revised Signature headband make it an important step in the company’s current headphone design.

Facts

History and Trivia

Build Quality and Design

Sound Description

Modding Potential

Introduced in October 2025, the S750 followed the HP100 SE and S950 as the third modern Signature model. Grado’s UK announcement gave November 2025 availability and launch prices of £1,695 / $1,695. The later S550 also uses the S2 platform, with a different enclosure and tuning.

The S750’s aluminium construction weighs a quoted 460 g. Its S2 driver combines a carbon-fibre-and-paper diaphragm with a copper-plated aluminium voice coil. The leather headband is narrower than those of the HP100 SE and S950; aluminium gimbals, stainless-steel rods and reinforced junction blocks form the supporting assembly. Grado limits cup rotation to 105 degrees.

A detachable, 1.8 m Signature Gold cable uses four-pin mini-XLR connections at the cups and a 6.35 mm source plug. The B cushion has a smaller opening that brings the ear closer to the driver, with eight slits intended to manage airflow. Other Grado cushion styles offer alternative fits.

Grado describes the S2 driver and B cushion as a combination aimed at detail, dynamics and a natural presentation. These are the manufacturer’s stated design goals, rather than an independent listening assessment. Pad geometry changes the relationship between the ear and driver, so impressions should identify which cushions were used. As an open-back design, the S750 is best considered for listening spaces where sound leakage is acceptable.

Cushion swaps and detachable cables provide straightforward starting points for reversible customisation. A replacement cable must use the correct Signature-series wiring and connectors; connector shape alone does not establish compatibility. Likewise, the revised headband and cup assembly should be checked before fitting hardware intended for older Grado models. Keep the original parts, compare one change at a time, and avoid treating a pad change as a guaranteed improvement.

Collectibility and Reception

The S750’s place in Grado history centres on the introduction of the S2 driver and B cushion within the Signature Line. Its aluminium housings also distinguish it from the wooden S950 and S550. For a used example, original cushions and cable, the condition of the headband mechanism, and documented modifications are practical details to check. Its launch position does not, by itself, establish future collector value.

The S750 combines Grado’s traditional open-back format with a new driver platform, revised cushions and detachable connections. Compare it with the S950 and S550 to explore the different approaches within the Signature family.

Technical table: Grado Labs. Construction: Grado UK. Launch information and press photograph: Grado Newsroom / Armour Home. The technical table follows the US product page; UK material instead lists 6 Hz–46 kHz and 0.5 dB driver matching. Information checked September 2026.