HD620S

Sennheiser HD 620S – Closed‑Back Audiophile Headphones

Overview

Immerse yourself in reference-grade audio with the Sennheiser HD 620S, a closed-back masterpiece designed to deliver open, natural sound without compromise. Featuring 42 mm angled dynamic drivers, a 150 Ω aluminum voice coil, and a robust yet lightweight chassis, these headphones offer speaker-like imaging and detachment-free listening—even in bustling environments 

Key Features

• 42 mm Angled Drivers & 150 Ω Aluminum Voice Coil
  Packed with clarity and detail, these drivers offer a spacious soundstage typically found in open-back models 

• Closed‑Back Design with Spacious Imaging
  Experience minimal sound leakage and solid passive isolation, while the angled baffle recreates a triangle speaker setup inside your head

• Comfort & Durability
  With stainless-steel reinforced sliders, artificial leather earpads with internal venting, and a lightweight 326 g build, these cans are designed for marathon listening 

• Detachable 1.8 m Cable & 6.3 mm Adapter
  Easy to upgrade or replace—ideal for audiophiles seeking flexibility

Sound Profile

• Balanced & Detailed: Mild mid-bass boost adds warmth and body without bloating, while mids remain lush and vocals natural 

• Spacious Soundstage: Delivers open, airy imaging that defies its closed-back design 

• Controlled Bass: Precise, clean low-end—may feel somewhat restrained for bass-heavy genres, but remains tight and impactful 

• Smooth Treble: Pleasingly crisp with no harshness—clear yet non-fatiguing