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Balanced Class A Preamplifier and Headphone Amplifier
The LAiV Harmony HP2A is an audiophile-grade balanced preamplifier and headphone amplifier engineered for uncompromising desktop and hi-fi performance. Built around a discrete Class A amplification stage and a precision resistor ladder volume attenuator, HP2A delivers exceptional signal purity and ultra-smooth volume control in every listening session. Equally capable as a high-end balanced headphone amp, it drives a wide range of headphones with authority, accuracy, and musical engagement.
At
$2,849.00
Precision Volume Control & True Balanced Class A Preamplifier.
Featuring a Precision Matched Discrete Resistor Ladder Volume Attenuator for ultra-smooth, precise and noise-free volume control, combined with a Discrete Class A Buffered Preamplifier for unmatched signal integrity and exceptional audio clarity.
True Balanced High-Power Headphone Amplifier.
Harness the power of proprietary discrete power amplifier with 4x high bandwidth EXICON MOSFETs per channel for a robust and immersive listening experience. Unleash the potential of your beloved headphones!
Selectable Output Mode at Your Fingertips.
Easily select your desired output mode using the front panel selector on the HP2A. Choose between Preamp only, Headphone Amp only, or Preamp + Headphone Amp to suit your listening needs.
Expandable Input Flexibility.
Effortlessly enhance your audio setup with the Harmony LExt via LE-LINK, adding Phono input or additional inputs to suit your growing needs.
Palette options for the HP2A.
Ebony black with shimmering gold
Dive deeper into the details.
Precision Volume Control & True Balanced Class A Preamplifier.
Discover a new level of audio excellence with the Harmony HP2A, featuring Precision Matched Discrete Resistor Ladder Volume Attenuation and a True Balanced Class A Preamplifier. Built around a true balanced Class A preamplifier at its core, HP2A delivers precise volume control and signal purity that sets a new benchmark for audiophile listening. This sophisticated design brings you precise volume control, high signal integrity, and an exceptional listening experience that audiophiles dream of.
Precision Volume Control for Zero-Noise Adjustments.
In a high-end audio system, resistor-ladder attenuation plays a critical role in preserving clean signal flow and maintaining audio transparency across every volume adjustment, ensuring the source signal's integrity is never compromised.
The HP2A's Precision Matched Discrete Resistor Ladder Volume Attenuator is crafted to do just that. Unlike traditional potentiometers that can introduce noise and inconsistencies, this ladder design ensures precise, noise-free adjustments that maintain signal quality at every level. The result is a clean, undistorted listening experience, letting you focus purely on the music.
True Balanced Class A Preamplifier for Audiophile Sound.
Class A amplification is widely regarded as the gold standard for audio quality. It is the foundation of the HP2A's preamplifier stage, keeping transistors continuously active throughout the full waveform, eliminating crossover distortion entirely. The same Class A excellence also makes it a standout audiophile-grade headphone amplifier. This translates to a more natural, fatigue-free presentation that rewards extended listening.
The Class A preamplifier in the HP2A offers a True Balanced design, meaning each channel has dedicated circuitry that keeps the audio signal isolated and pristine. That's why this preamplifier will let you enjoy every nuance of your music with depth, detail, and lifelike dynamics.
High-Power Balanced Headphone Amplifier for Audiophile Listening.
Beyond its exceptional preamplifier performance, the HP2A is equally a true high-end balanced headphone amp. Discover an unparalleled listening experience with the True Balanced High-Power Headphone Amplifier, meticulously crafted to bring out the finest details in your music. As a high-end balanced headphone amp, HP2A is built to deliver the current and headroom that power-hungry headphones demand, integrating seamlessly into high-end systems where signal integrity, dynamic authority, and tonal accuracy are non-negotiable. With its advanced components and thoughtful design, this amplifier ensures that every nuance of your music is faithfully reproduced.
True Balanced Design for Superior Audio Fidelity.
In a true balanced headphone amplifier for audiophiles, dedicated balanced signal paths are essential for reducing noise, distortion, and channel interference, and HP2A's architecture delivers exactly that across every output.
With True Balanced design, each audio channel has dedicated positive and negative signal paths. This architecture effectively minimizes crosstalk and reduces noise and distortion, resulting in a spacious soundstage and pure audio fidelity. Whether you’re listening through high-impedance headphones or other demanding headphones, the True Balanced design ensures you experience unmatched clarity and precision.
EXICON MOSFETs for Unmatched Precision and Dynamics.
At the heart of the amplifier are high-quality EXICON MOSFETs, with each channel utilizing four to deliver exceptional linearity and fast response. In a Class A headphone amplifier, MOSFET-based output stages offer a distinct advantage. Their high input impedance and wide bandwidth translate directly into faster transient response and more natural dynamic expression, ensuring that musical peaks and subtle micro-details are reproduced with equal accuracy for a truly immersive listening experience.
High-Power Output for Demanding Headphones.
Maintaining low distortion under real-world headphone loads requires consistent, high-current delivery across the full impedance range. HP2A's discrete output stage is engineered to sustain stable current headroom even as load impedance varies, ensuring dynamic composure and tonal accuracy with demanding headphones.
With its high-power output, the headphone amplifier is capable of driving even the most demanding headphones, providing deep, controlled bass, transparent midrange, and sparkling treble. The Class AB amplification ensures minimal distortion by keeping transistors in their most linear region, leading to a highly musical and accurate sound. This combination of high-power output and Class A operation guarantees an extraordinary listening experience, full of depth and detail.
Designed for Seamless Audiophile Listening Experience.
Designed for ease of operation in high-end audio systems, HP2A brings together thoughtful ergonomics, smart automation features, and comprehensive protections so that your focus remains on the music, not the setup. Every design element is aimed at making operation easy, intuitive, and enjoyable, while maintaining the highest standards of audio performance. From output flexibility to safety features, every aspect of the HP2A is built to enhance your listening experience.
Ergonomic Design for Stability and Protection.
The HP2A is designed with ergonomics and user convenience in mind. The control layout places the volume dial and function selectors within natural reach for confident operation without accidentally moving the unit, while built-in DC offset, overload, and thermal protection circuits operate quietly in the background to keep both the amplifier and your headphones safe at all times. The thoughtfully built-in spike shoes on top also help users position the unit securely, reducing the risk of damage.
Additionally, a volume limit control ensures moderate output during power-on, preventing sudden loudness, and sophisticated protection systems guard against DC, overload, and temperature issues. These features collectively prioritize usability, safety, and protection, offering a seamless, worry-free user experience.
Flexible Output Mode Selection.
The HP2A offers flexible output mode selection, allowing users to easily switch between preamp, headphone amp, or both, giving total control over their listening setup. This flexibility makes it easy to tailor the listening experience to fit your specific needs, whether you are connecting to speakers or enjoying an intimate headphone session. HP2A also adapts to your audio setup as it evolves, eliminating the need for additional switching components and keeping your signal chain clean and direct.
Multiple Headphone Outputs for Versatility.
On the front panel, the HP2A features multiple headphone outputs; balanced XLR4 and 4.4mm connectors for those seeking enhanced sound fidelity, as well as a single-ended 6.35mm connector for compatibility with a wide range of headphones.
Both the XLR4 and 4.4mm outputs fully support the amplifier connections, allowing listeners to take full advantage of HP2A's balanced signal path and maximizing performance with compatible headphones. This variety ensures that you have the right connection for any type of headphone, offering the versatility to connect your favorite headphones without compromise.
Dual OLED Displays for Easy Navigation
Ease of use is further enhanced by dual OLED displays, which are seamlessly implemented to feel like a single cohesive display, providing clear and concise information about the HP2A’s settings. Real-time readouts of volume level, input selection, and output mode give you an at-a-glance overview of your amplifier's current state, making it effortless to monitor and adjust from across the room. These displays make navigating through different settings straightforward and effortless, ensuring that users can adjust their setup with confidence.
12V Trigger Input and Output for System Automation
The HP2A includes 12V trigger input and output connections, enabling you to integrate it seamlessly into your system. By linking HP2A with other trigger-compatible hi-fi components, you can automate the power sequence of your entire system so that amplifiers, sources, and speakers wake up together in the correct order, allowing you to turn on the entire setup effortlessly with a single command, ensuring a streamlined and automated experience. With the 12V trigger, powering up your components is hassle-free, making your audio experience as convenient as it is enjoyable.
Our remote control, simplified and versatile.
In addition to the front panel controls, the HP2A supports the same remote control as LAiV's premium R2R DAC, the Harmony DAC. This allows for seamless integration, providing convenience for users who own both devices and minimizing the need for multiple remotes. This thoughtful feature reduces clutter and makes managing your audio system simpler and more intuitive.
Expandable Input Flexibility.
The Harmony HP2A is designed to adapt to your evolving audio needs with Expandable Input Flexibility. Audiophiles can easily expand the input capabilities of the HP2A using the Harmony LExt, connected via LE-LINK.
Currently, there are two available LExt models to enhance your setup:
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LExt PHONO: Adds a dedicated phono input, allowing you to connect a turntable and enjoy the warmth of your vinyl collection.
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LExt IN2: Expands connectivity with a balanced XLR input and a single-ended RCA input, providing even greater versatility for various audio sources.
Whether you are building a personal listening setup or integrating into professional hi-fi audio systems, modular input expansion through LExt ensures HP2A remains versatile and future-proof, growing alongside your audio sources and evolving headphone amplifier setup without requiring a system overhaul.
