Sennheiser HD 660S vs Sennheiser HD 600 vs Sennheiser HD 820

Connectivity Comparison

• Connection Type 📶

  The primary method used to connect the headphones to audio devices, indicating whether they use wired connections, wireless technology, or both options.

  Sennheiser HD 660S

  • Wired

    The connection type of Sennheiser HD 660S is Wired. These headphones connect directly to audio sources using cables for reliable connectivity and often superior sound quality. Click to see all.

  Sennheiser HD 600

  • Wired

    The connection type of Sennheiser HD 600 is Wired. These headphones connect directly to audio sources using cables for reliable connectivity and often superior sound quality. Click to see all.

  Sennheiser HD 820

  • Both (Wireless + Wired Option)

    The connection type of Sennheiser HD 820 is Both (Wireless + Wired Option). These versatile headphones offer both wireless freedom and wired reliability with the ability to switch between connection methods. Click to see all.

• Battery Life 🔋

  The number of hours the wireless headphones can operate on a single charge, typically measured during standard usage with default settings.

  Sennheiser HD 660S

  ~

  Sennheiser HD 600

  ~

  Sennheiser HD 820

  ~

• Battery Life Type 🔋

  Classification of battery performance based on duration range, providing an easy-to-understand category for the headphones' operational time between charges.

  For all*

  • N/A (Wired Only)

    Wired-only over-ear headphones require no battery charging and offer consistent sound quality with zero latency for critical listening.

• Multipoint Connection 🔗

  Indicates whether the headphones can connect to multiple devices simultaneously, allowing seamless switching between sources without reconnection.

  For all*

  • No

    Headphones without multipoint connection connect to only one device at a time for simplified pairing

• Bluetooth Codecs Supported 📡

  Bluetooth codecs determine audio transmission quality in wireless headphones, affecting sound quality, latency, and compatibility with different source devices.

  Sennheiser HD 660S

  • N/A

    The Bluetooth codecs supported by Sennheiser HD 660S are N/A. These over-ear headphones use wired connections only Click to see all.

  Sennheiser HD 600

  • N/A

    The Bluetooth codecs supported by Sennheiser HD 600 are N/A. These over-ear headphones use wired connections only Click to see all.

  Sennheiser HD 820

  • SBC

    The Bluetooth codecs supported by Sennheiser HD 820 are SBC. Over-ear headphones with SBC codec use the standard Bluetooth audio transmission format supported by all Bluetooth audio devices. Click to see all.
  • AAC

    The Bluetooth codecs supported by Sennheiser HD 820 are AAC. Over-ear headphones with AAC codec support deliver high-quality wireless audio especially optimized for Apple devices. Click to see all.
  • AptX

    The Bluetooth codecs supported by Sennheiser HD 820 are AptX. Over-ear headphones with aptX codec support deliver better wireless audio quality with reduced latency on compatible devices. Click to see all.
  • LDAC

    The Bluetooth codecs supported by Sennheiser HD 820 are LDAC. Over-ear headphones with LDAC codec support deliver exceptional Hi-Res wireless audio up to 990kbps on compatible Sony and Android devices. Click to see all.