Denon HEOSLINKHS2SR Preamplifier - Dreamedia AV
Vendor: Denon

Denon HEOSLINKHS2SR Preamplifier

Seamless high-res audio for modern & classic systems

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Denon HEOSLINKHS2SR Preamplifier

Elevate Your Audio Experience

Imagine a device that acts as a bridge between the cherished warmth of your existing audio system and the exhilarating frontier of streaming digital music. The Denon HEOS Link HS2 (HEOSLINKHS2SR), with its sleek black finish, is engineered for audiophiles who yearn to enhance their audio setup without sacrificing the character of their current components.

Harness the Power of High-Resolution Audio

With the Denon HEOS Link HS2, you're not just playing music; you're experiencing it in its purest form. Capable of playing high-resolution audio files up to 24-bit/192kHz, this preamplifier unveils every nuance and subtlety in your favorite tracks, from the deepest bass to the most ethereal highs.

  • Support for HD and Ultra HD audio content
  • Compatibility with WAV, FLAC, ALAC, MP3, WMA, AAC formats
  • Direct playback from USB storage or over your home network

Stream with Ease

Streaming music is the heart of modern audio enjoyment, and the HEOS Link HS2 seamlessly integrates with a plethora of music services:

  • Amazon Music HD, Spotify, Tidal, and more
  • Wireless streaming via dual-band Wi-Fi or Bluetooth
  • App control for iOS and Android devices

Versatile Connectivity

The Denon HEOS Link HS2 ensures that no matter your preference, you have a multitude of connection options at your fingertips:

  • Wi-Fi and Ethernet for robust network connectivity
  • Bluetooth for quick wireless pairing
  • Digital and analog inputs/outputs for comprehensive compatibility

Smart Home Ready

In the era of smart homes, your audio system should be no exception. With the HEOS Link HS2, voice control and smart integration are not just features; they're standard.

  • Amazon Alexa and Google Assistant ready for voice control
  • HEOS + Alexa and Google Assistant for effortless integration

Multi-Room Sound System

The HEOS Link HS2 is more than a preamplifier; it's a key to unlocking a whole-home audio experience. Group it with other HEOS speakers to fill every room with music, all controlled from the palm of your hand.

  • Multi-Room Audio with other HEOS speakers
  • Stereo Pair Capability for an immersive listening environment
  • Support for up to 32 HEOS music players on the network

Design and Build

Denon's reputation for solid build quality carries through in the compact, modern design of the HEOS Link HS2. It fits effortlessly into any space, complementing both traditional and contemporary aesthetics.

  • Compact dimensions: 6-1/8"W x 2-15/16"H x 5-15/16"D
  • Weight: A manageable 2.9 lbs.
  • Color: Timeless black

Easy Setup and Use

Setting up the HEOS Link HS2 is a breeze, thanks to the intuitive HEOS app. Whether you're tech-savvy or prefer simplicity, the step-by-step process ensures that you'll be streaming in no time.

  • Quick Start Guide for straightforward setup
  • HEOS App for easy control and customization

Connectivity for the Modern Audiophile

The Denon HEOS Link HS2 doesn't just play music; it provides a hub for all your audio sources:

  • USB-A Port for direct playback from external storage
  • RCA and 3.5mm inputs for traditional audio sources
  • Optical and coaxial digital outputs for high-quality audio transfer

Tailored Listening Experience

With the HEOS Link HS2, you have the power to tailor your listening experience to your mood, preferences, or the occasion:

  • Subwoofer output for added bass
  • Side panel controls for volume and mute
  • 12V trigger output for synchronization with other devices

Firmware Updates and Support

Denon ensures that your HEOS Link HS2 remains at the forefront of technology with easy firmware updates:

  • Automatic notifications via the HEOS app
  • Via home network's Internet connection for the latest features and fixes

Warranty and Support

Rest easy knowing that your investment in the HEOS Link HS2 is protected by Denon's commitment to quality:

  • 2 Years Parts Warranty
  • 2 Years Labor Warranty

Key Features at a Glance

  • Bridges the gap between new and old audio systems
  • High-resolution digital file playback through existing stereo receivers
  • Network player with access to NAS drive and music services
  • Plays files up to 24/192, including lossless FLAC files
  • Creation of playlists from various sources
  • Multiple input/output connections
  • Multi-room capabilities with other HEOS Link units
  • Integration with Amazon Music Unlimited HD and Tidal
  • Compact, modern design with solid build quality

The Denon HEOS Link HS2 (HEOSLINKHS2SR) is more than just a preamplifier—it's the key to unlocking the full potential of your home audio system. With unmatched versatility, high-resolution audio playback, and seamless integration with modern streaming services, it represents a perfect harmony of traditional fidelity and cutting-edge technology. Whether you're looking to breathe new life into your cherished audio setup or seeking a smart, multi-room audio solution, the HEOS Link HS2 is your gateway to an elevated listening experience.

At Dreamedia, we understand the significance of exceptional audio, and we're here to help design the ultimate home theater system that integrates the Denon HEOS Link HS2 seamlessly into your life. Embrace the future of sound with Denon and Dreamedia.

Our Review


The Denon HEOS Link HS2 (HEOSLINKHS2SR) stands out as a versatile preamplifier designed to bridge the gap between legacy audio systems and the modern streaming era. With the increasing shift towards wireless audio and streaming services, the HEOS Link HS2 offers a unique solution for audiophiles and casual listeners alike who wish to enhance their existing setups without compromising on sound quality.

Design and Build Quality

Sporting a sleek black finish, the Denon HEOS Link HS2 boasts a compact and modern design that should complement any audio system aesthetic. The unit's small footprint allows it to be unobtrusively placed within a variety of spaces, ensuring that it does not detract from the existing decor. The build quality is typical of Denon's solid reputation, with a robust construction that promises durability and longevity.

Setup and User Interface

Setting up the HEOS Link HS2 is a straightforward affair, thanks to the intuitive smartphone or tablet app. The app not only facilitates a hassle-free setup but also acts as the central hub for controlling and configuring the system. However, some users have encountered issues with the HEOS app interface, particularly when integrating with Amazon Music, citing a lack of search functionality and missing 'My Music' features. These concerns, while not deal-breakers, could affect the overall user experience.

Connectivity and Compatibility

Denon's HEOS Link HS2 shines in its plethora of connectivity options. With support for network, USB, and optical input/output connections, users can easily integrate the preamplifier with a wide range of audio sources and services. The device's compatibility extends to popular music services such as Amazon Music, Tidal, and more, though it's worth noting that a workaround may be required for MQA files on Tidal. Additionally, its multi-room capabilities allow for seamless audio playback across different rooms when paired with other HEOS units.

Performance and Sound Quality

The preamplifier's capability to play high-resolution audio files up to 24-bit/192kHz positions it as a strong contender for those seeking audiophile-grade performance. However, there have been reports of sound quality issues, including distortion and instances of low-resolution playback, which could mar the listening experience for some users. Furthermore, a notable downside is the system's operational noise, which can be intrusive in quiet environments, even when the unit is powered off.

Features and Functionality

HEOS Link HS2 is more than just a simple preamplifier; it's a network player capable of accessing NAS drives and music services, creating playlists from various sources, and supporting high-resolution file playback. The multiple input/output connections underscore its versatility, while the integration features for multi-room setups and music services enhance its appeal. These functionalities underscore the unit's position as a comprehensive audio solution for both existing and new systems.

App and Software

The HEOS app serves as the nerve center for the HEOS Link HS2, but it isn't without its shortcomings. While the app provides a range of functionalities, users have reported occasional software bugs and glitches that could detract from its usability. Denon's commitment to firmware updates and bug fixes will be crucial in maintaining user satisfaction and the overall reliability of the system.

Pros and Cons

- High-resolution audio playback up to 24-bit/192kHz
- User-friendly setup with smartphone or tablet app
- Extensive connectivity options for various audio sources and services
- Compact and aesthetically pleasing design

- HEOS app interface issues, especially with Amazon Music integration
- Sound quality concerns reported by some users
- Operational noise that can be disturbing in quiet settings

Final Thoughts

The Denon HEOS Link HS2 preamplifier is a compelling product for those looking to modernize their audio systems without abandoning their existing equipment. Its high-resolution audio support, ease of use, and wide-ranging connectivity make it a versatile addition to any setup. While it does face some challenges in terms of app interface and sound quality, the HEOS Link HS2 offers enough features to be seriously considered by both tech-savvy users and those new to home audio streaming. Its value proposition is solid, particularly for users who prioritize integration with multiple music services and desire a multi-room audio experience. Despite some caveats, the HEOS Link HS2 is a noteworthy option in the sea of home audio solutions.


Audio System

  • Analogue Output Level: FIX
  • Total Distortion (ANALOGUE IN): 0.003% (1 kHz)
  • SN Ratio (ANALOGUE IN): 100 dB
  • Frequency Response: 10 Hz to 100 kHz (+1, -3dB)


  • Multi-Room Sound System: Yes
  • Wireless Network Technology: Built-in dual band 'N'
  • Ethernet Port: RJ-45
  • USB Port: Yes
  • Sub Output: For connection to a powered subwoofer
  • Digital Audio Outputs: Coaxial and optical
  • Digital Audio Input: Optical
  • Analog Audio Input: Stereo line input (via RCA jacks), Auxiliary input with 3.5mm jack
  • App Control: HEOS App for iOS and Android
  • Infrared Emitter: Yes
  • 12V Trigger Output: Yes
  • Side Panel Controls: Volume and mute
  • High Resolution Audio Support: Yes
  • Bluetooth Streaming: Yes
  • Wi-Fi Audio Streaming: Yes
  • Voice Assistant Integration: HEOS + Alexa and Google Assistant
  • Music Subscription Services Compatibility: Spotify, TuneIn, SoundCloud, TIDAL, Deezer, Napster, Mood
  • Stereo Pair Capability: Yes
  • HEOS Music Players Support: Up to 32 on the network


  • Model: Denon HEOSLINKHS2SR
  • Type: Network audio player/preamplifier
  • Compatibility: Works with existing amplifiers or powered speakers

Audio Features

  • Music Streaming: Adds music streaming functionality to existing audio setup
  • High-Resolution Audio: Supports HD and Ultra HD audio content
  • Streaming Services Compatibility: Amazon HD, Spotify HD, Qobuz, Tidal, and more
  • File Support: Hi-Res audio files from USB storage devices


  • Network Connectivity: Wi-Fi or Ethernet
  • Bluetooth: Yes
  • Inputs: 3.5mm analog, RCA
  • Outputs: Analog and digital audio outputs
  • Control: IR control, 12V trigger output

HEOS Integration

  • Multi-Room Audio: Grouping with other HEOS speakers
  • HEOS App Control: Yes
  • HEOS Device Compatibility: Yes


  • Ethernet Port: Yes
  • USB-A Port: 1
  • 3.5mm Input: 1
  • RCA Input: Yes
  • Digital Input: Yes
  • Subwoofer Output: Mono-RCA

Wireless Features

  • Bluetooth: Built-in
  • Wi-Fi: 802.11ac
  • Wi-Fi Bands: 2.4, 5GHz

Audio Specs

  • Max. Digital Audio Bit Depth: 24-bit
  • Max. Digital Audio Sample Rate: 192 kHz

High-res Audio Playback

  • From Network: Yes
  • From USB Thumb Drive (USB-A): Yes


  • HEOS: Yes

Music Services

  • Amazon Music: Amazon Music HD
  • iHeart Radio: Yes
  • Pandora: Yes
  • SiriusXM: Yes
  • Spotify: Connect
  • Tidal: Yes
  • TuneIn: Yes


  • Control by App: iOS, Android
  • Amazon Alexa: Optional
  • Google Assistant: Optional

Other Specs

  • Width (Inches): 6.125
  • Height (Inches): 2.9375
  • Depth (Inches): 7.0625
  • Parts Warranty: 2 Years
  • Labor Warranty: 2 Years

Wireless Audio System

  • HEOS Wireless Multi-Room Sound: Yes
  • Wireless Pre-Amplifier: With Analog & Digital Outputs
  • Network Connectivity: Wired or Wireless

High-Resolution & Compressed Music Formats

  • High-Resolution Audio Files Compatibility: WAV, FLAC, ALAC up to 24-bit/192-kHz
  • Compressed Formats Support: MP3, WMA, AAC

Online Music Services

  • Streaming Services: Pandora, iHeart Radio, SiriusXM, Tidal, Amazon Music HD

Control and Integration

  • Alexa and Google Assistant Compatibility: Yes
  • IP Control: For integration with select Denon & Marantz AV receivers
  • IR Output: Yes
  • 12-Volt Trigger: Yes

Firmware Updates

  • Delivery Method: Via home network's Internet connection
  • HEOS App Notifications: Yes

Dimensions and Power

  • Dimensions: 6-1/8"W x 2-15/16"H x 5-15/16"D
  • Weight: 2.9 lbs.
  • AC Power Connection: Required
  • Power Modes: Quick Start, Deep Standby, Off

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