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Sennheiser HD650 Open-Back Audiophile Headphones

Original price was: £429.00.Current price is: £339.00. inc. VAT

Trade-in available.

The superb HD650 by Sennheiser are a benchmark for total audio immersion.

HD650 reproduces the subtle details in your tracks with the same confidence as the highlights. With a fluid signature tuned for hours of fatigue-free listening, it is the headphone to reach for when the music matters most.

Available in Black finish only.



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SKU: USV-SENNHEISER-HD650 Categories: , Tag:



With expertly balanced acoustics, luxurious construction and timeless design, the HD650 has all of the perks of a high-performance sports car and none of the quirks.

This open-back headphone is beloved by studio professionals and audiophiles alike for its musical, non-fatiguing sound while still offering intimate levels of detail. Upon the first note, your recordings reveal their true potential, and each moment of the performance becomes an opportunity to react all over again. Whether for audio editing, mixing, mastering or critical listening, the HD650 is an instant upgrade.

Audio professionals know that the best components perform at their peak when nothing stands in their way. It’s no surprise that the response and dimensional soundstage of the HD650 are smooth. The open ear cups provide each and every sound wave ample room to expand as they would in nature.

The 42 mm transducer deploys a 38 mm diaphragm with aluminium voice coil specifically tuned for extended, critical listening: overall treble and low-frequency presence are effortless while midrange is reproduced with lifelike composure—none sacrificing their organic roots to get there. Modern high-resolution sample rates benefit especially well from the HD650’s willingness to reveal subtle nuances without resorting to over-hyping the treble range.

Each transducer manufactured is measured against rigid specifications and paired with a perfect match for consistent representation of the entire frequency spectrum in both channels. By reducing variances between left and right channels, the headphone reproduces mastering-grade sound independent of room acoustics or loudspeaker positioning.

Your HD650 comes with a detachable, impedance-matched cable with ultra-low capacitance. The 1/4 inch / 6.3 mm stereo connector offers the audiophile-standard plug for connection to devices such as headphone amplifiers and A/V receivers, digital audio players, computer-based workstations, analog gear, and more.

At 9.8 feet / 3 metre long, it offers unencumbered listening on gear deep within your shelves, studio, or desktop. A flexible adapter is included to reduce the 6.3 mm to 3.5 mm / 1/8-inch for plugging into countless other audio devices.


  • Audiophile-quality open-back, over-ear headphones.
  • Used worldwide by studio professionals and music lovers alike.
  • 42 mm dynamic transducer with aluminium voice coil.
  • Modular design, with easy-to-replace parts.


  • Wearing Style: Headband
  • Frequency Response: 10 – 41000 Hz
  • Sound Pressure Level (SPL): 103 dB
  • Total Harmonic Distortion (THD): < 0.05 %
  • Contact Pressure: 6.0 N &plusm: 1 N
  • Ear Coupling: Circumaural / Over-Ear
  • Connector: 6.35 mm stereo jack plug
  • Adapter: 6.35 mm to 3.5 mm stereo jack plug
  • Cable Length: 3.00 m
  • Transducer Principle: Dynamic, Open Back
  • Nominal Impedance: 300 Ω
  • Weight w/o Cable: 260 g
  • Article No: 508825


  • HD 650 Audiophile Headphones.
  • Cable (3.00 m).
  • Flexible Adaptor (6.3 – 3.5 mm).

Full Sennheiser Range Available

Unilet Sound & Vision are official retail partners for Sennheiser, providing sales, advice and assistance on their entire range of high-quality audio products. Please do get in touch if you would like a demonstration or wish to purchase.

More Information

Additional information

Weight 0.260 kg
Dimensions 19.56 × 18.03 × 10.01 cm


Purchase Options

Home Delivery, Click & Collect, Trade-In Available



The name Sennheiser always stands for premium products. For artists, DJ's, scientists, sound technicians or demanding music-lovers, good sound is not enough - everyone wants to achieve the perfect sound.

Founded in 1945 by Dr. Fritz Sennheiser, the young company originally produced tube voltmeters for the electrical industry. However since their first microphone product in 1946, Sennheiser have aimed to make sound come truly alive.

Today, from superb headphones to industry-standard microphones and all-round audio solutions, their culture of innovation and a passion for excellence is helping shape the audio world of tomorrow.

Sennheiser | Unilet Sound & Vision


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