Skip to product information
Sennheiser HD 660S2 open-back audiophile headphones with large drivers and sleek design, ideal for high-fidelity listening.
  • Sennheiser HD 660S2 open-back audiophile headphones with large drivers and sleek design, ideal for high-fidelity listening.
  • Sennheiser HD 660S2 open-back audiophile headphones with cushioned ear cups and headband, front view.
  • Sennheiser HD 660S2 open-back headphones shown from a side angle, featuring sleek design and large ear cups for high-quality sound.
  • Sennheiser HD 660S2 open-back headphones with over-ear design and premium ear cups, displayed on a stand.
  • Sennheiser HD 660S2 open-back headphones with large ear cups and sleek design, showcasing high-fidelity audio quality.
  • Open-back Sennheiser HD 660S2 Head-Fi headphones with large ear cups and metal accents, designed for high-fidelity audio.
  • Sennheiser HD 660S2 open-back headphones with black earcups and adjustable headband, designed for high-fidelity audio listening.
  • Sennheiser HD 660S2 open-back headphones with ear cups and headband, designed for high-fidelity sound.
  • Sennheiser HD 660S2
Sennheiser HD 660S2
Sennheiser

Sennheiser HD 660S2

Head-fi Headphones
  • Updated Reference Open-Back
  • 150 Ohm Impedance
  • Improved Transducer
€599,00
€599,00
VAT included • B2B ex VAT Prices without VAT
i
Supplier warehouse · 5 pcs.

When will I get this item?

This item is in our supplier's warehouse — we bring it in as fast as we can. It usually takes 1–2 weeks, but sometimes sooner and sometimes a little longer. Leave your email and tell us by when you need it — we'll confirm a more precise delivery date and, if needed, prioritise the order from our supplier.

Sennheiser HD 660S2 €599,00

No spam — we'll only use this to follow up on your request.
Pay in installments Inbank ESTO
  • 3 × €199,66 0% interest, no fees
  • from €19,20/mo up to 36 months
Buy in installments

Long-term figure is an estimate; the final offer comes from the lender after a quick application.

Free shipping
Free delivery over €149, or €4 to a pickup point. Delivery in 1-2 weeks. Learn more
30-day returns
Not the right fit? Return within 30 days for a full refund. Learn more
3-year warranty
Every product includes a standard manufacturer warranty. Extend your warranty
Price match
Found it cheaper elsewhere? We'll match the price. Learn more
Martyna Need advice?Our experts are here We usually answer the hotline 10:00–18:00 (lunch 13:30–14:30). If we miss you — sorry, we're human. For simple questions we usually reply within a couple of hours.

Sennheiser HD 660S2 - Redefining Open-Back Excellence

Short Description

Immerse yourself in unparalleled audio fidelity with the Sennheiser HD 660S2 headphones. Featuring advanced 38mm dynamic drivers, an 8Hz-41.5kHz frequency response, and a meticulously crafted open-back design, these headphones deliver a refined, intimate sound signature with enhanced sub-bass performance and exceptional comfort. Available now at Soundium.

Key Features

  • 38mm Dynamic Drivers: Engineered for precise sound reproduction with deep sub-bass and natural midrange timbre.
  • 8Hz-41.5kHz Frequency Response: Captures every detail with exceptional clarity across the entire spectrum.
  • Open-Back Design: Creates a spacious, life-like soundstage for immersive listening sessions.
  • 300Ω Impedance: Matches the legendary HD 600 and HD 650 series for a smoother response and perfect pairing with your favorite amplifiers.
  • Exceptional Comfort: Plush velour ear cushions and a lightweight frame make them perfect for extended wear.
  • Advanced Magnet System: Reduces distortion and enhances airflow for a refined acoustic experience.

Customer Benefits

The Sennheiser HD 660S2 headphones offer audiophiles a masterfully tuned listening experience that brings your favorite tracks to life. Whether you're enjoying powerful basslines, rich vocals, or intricate instrumentals, this model provides an elevated yet non-fatiguing sound that you can enjoy for hours. Its open-back design ensures a wide soundstage that feels natural and immersive, while the premium build and comfort ensure durability and luxury. Tailored for discerning listeners, the HD 660S2 is your gateway to legendary sound.

Quick Specs

  • Style: Over-ear, open-back
  • Driver Type: Dynamic
  • Driver Size: 38mm
  • Frequency Response: 8Hz - 41,500Hz
  • Impedance: 300Ω
  • Sensitivity: 104dB/1V
  • Total Harmonic Distortion (THD): <0.04% @ 1kHz, 100dB
  • Weight: 260g
  • Dimensions: 200 x 150 x 100 mm

What’s in the Box

  • 1 x Sennheiser HD 660S2 Open-Back Headphones
  • 1 x 6.3mm Cable (1.8m)
  • 1 x Balanced 4.4mm Pentaconn Cable (1.8m)
  • 1 x 6.3mm (F) to 3.5mm (M) Adapter
  • 1 x Soft Carry Pouch
  • 1 x Quick Guide

The Sennheiser HD 660S2 headphones combine decades of audio expertise with modern enhancements, offering a superior listening experience for audiophiles and music enthusiasts. With their signature dynamic drivers, precise tuning, and ergonomic design, they are ideal for enjoying music in all its glory. Elevate your audio game and experience unparalleled sound quality with the Sennheiser HD 660S2. Order yours today at Soundium to enjoy legendary sound at its finest.

Details & Specifications

Everything technical about this product: specifications, what's in the box and downloads.

Downloads

General 7
BrandSennheiser
Product typeHead-fi Headphones
TypeOver-Ear
StyleOpen-back
TechnologyDynamic
FeaturesDetachable Cable, Carry Case Included, Replaceable Ear Pads
Intended useAudiophile Listening, Home Listening, Professional Audio
Audio 3
Frequency response8 – 41 500 Hz
Impedance300 Ω
Sensitivity104 dB
Connectivity 2
ConnectivityWired
Audio connectivity3.5 mm jack, 6.3 mm jack, 4.4 mm balanced
Dimensions & weight 1
Weight260 g
Warranty 1
Warranty3-Year

Sources: Manufacturer data

Compare
Reviews
You may also like