Shure SRH840A-EFS
Studio Headphones
- Natural, transparent sound
- Over-ear / circumaural
- Ergonomic headband ensures comfortable wear over long periods
- Elegant, robust design
- Dynamic low-distortion 40mm neodymium drivers
- Nominal impedance: 40 ohm
- Max input level: 500 mW
- Frequency response: 5 Hz – 25,000 Hz
- Max. sound pressure level: 97 dB/mW
- Removable straight 3m cable
- Single-sided locking input
- Interchangeable ear pads
- Includes pouch and gold-plated 6.3 mm adapter
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Available since January 2022
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Item number 533676
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Sales Unit 1 piece(s)
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Design Over-Ear
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System Closed Back
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Impedance 40 Ohms
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Frequency range 5 Hz – 25000 Hz
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Adaptor Yes
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Replaceable Cable Yes
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Colour Black
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Max. SPL 97 dB
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Type Of Connector Mini Jack
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Weight 260 g
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Proven concept, refined performance
The Shure SRH840A is a closed-back, circumaural studio headphone designed as an all-round audio tool for recording, editing, content creation, and critical listening. It replaces the original SRH840 with a revised frequency response, improved comfort, and a collapsible design – a refinement of a familiar formula rather than a reinvention. The 40mm neodymium dynamic drivers are tuned for monitoring rather than consumer listening, with extended low-end reach to 5Hz and a top end of 25kHz. The closed-back construction reduces background noise and minimises bleed into open microphones, making the SRH840A a practical choice for vocal tracking and close-miked instrument monitoring. The detachable locking cable (3m, straight, oxygen-free copper) secures into the left earcup with a twist; a threaded 6.3mm adapter and carrying pouch are included.
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Sound and isolation
The 40mm dynamic drivers in the Shure SRH840 are matched for consistent performance across both channels. Their balanced tuning favours reliable monitoring over exaggerated bass or sparkling highs: The low end is present without being hyped, the midrange remains clear and open, and the high frequencies extend without becoming brittle. At 97dB/mW sensitivity and 40 ohm impedance, the SRH840A is compatible with most interfaces, mixers, and portable devices without requiring a dedicated headphone amplifier. Maximum input power is 500mW, providing ample headroom for most listening levels. The closed-back design provides passive isolation, reducing ambient noise and keeping the signal contained. As one would expect, it doesn't offer the attenuation of purpose-built noise-isolating headphones such as dedicated IEM solutions or active noise-cancelling designs.
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A reliable closed‑back reference
The Shure SRH840A is aimed at engineers, producers, and content creators who need a reliable closed‑back reference headphone for tracking, editing, and general studio use. The closed‑back design provides the passive isolation needed for tracking sessions – vocalists and instrumentalists monitoring benefit from the reduced spill compared to open‑back alternatives – while the balanced response and comfortable fit make it a credible alternative to the established workhorses in this price bracket. Closed‑back headphones inherently introduce some low‑frequency colouration compared to open‑back designs, and the SRH840A is no exception; engineers who require forensic levels of monitoring for final mix decisions may find Shure's open‑back SRH1440 or the higher‑impedance SRH1840 better suited to that specific task. For tracking, editing, mixing, and overdubbing, the SRH840A covers exactly the ground it was designed for.
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About Shure
The American company Shure began developing microphones during the early 1930s and is one of the pioneers of the audio engineering sector. Models such as the 55 Unidyne – known to many as the "Elvis microphone" – and the SM57 and SM58 which appeared in the mid-1960s are still ubiquitous in live sound production today. They enjoy cult status among musicians and technicians alike. In the 1990s, Shure introduced the first wireless microphones and in-ear monitoring systems and became a market leader in this field. In addition to microphones, Shure offers a wide range of earphones and headphones for studio and live use, as well as various accessories.
From the case to the console
The Shure SRH840A folds flat for storage and transport; its collapsible design is a genuine practical advantage over non‑folding models, making the headphones easier to pack for sessions and location work. The padded headband and circumaural earcups are designed for extended wear – the clamping force is moderate, and the weight (273g) is evenly distributed. The cable locks securely into the left earcup, reducing the risk of accidental disconnection during use; replacement cables and ear cushions are available from Shure, allowing worn components to be replaced rather than the headphones themselves. A carrying pouch is included for storage and transport between sessions. For recording, editing, and day‑to‑day studio monitoring, the SRH840A is a practical studio tool that'll earn its place on the desk for years of regular use.
