Enleum HPA-23rm Headphone Amplifier
Category: DAC Amps
Unparalleled Reference-Level Audio Performance
Experience reference-quality audio with the Enleum HPA-23rm Headphone Amplifier, designed to deliver pristine, audiophile-grade sound in both desktop and portable setups. Utilizing Enleum's cutting-edge technologies, the HPA-23rm combines dual amplifier circuits—voltage and current outputs—to cater to a wide range of headphones and IEMs, ensuring exceptional performance across diverse listening scenarios.
Innovative Ensence Module for Lossless Gain Control
The Enleum HPA-23rm features the acclaimed Ensence module, a meticulously designed discrete transistor circuit that ensures zero negative feedback and offers ultra-wide, ultra-fast frequency response. This innovative design enables lossless variable gain, delivering consistent sonic quality at every volume level and enhancing the listening experience by preserving audio integrity regardless of amplification adjustments.
Hybrid Amplifier Design with Dual Outputs
Distinguished by its dual output design, the HPA-23rm uniquely employs MOSFETs for its voltage output circuit, controlled precisely by Enleum’s refined JET2 Bias circuit. Simultaneously, a sophisticated bipolar transistor-based current output circuit ensures rich, detailed sound reproduction. This hybrid approach guarantees outstanding versatility, supporting both high-impedance and low-impedance headphones with ease.
Advanced Battery Power Supply and Thermal Management
Enjoy reference-level performance anywhere thanks to Enleum’s sophisticated battery management and thermal control technologies. With advanced 1.2 MHz SMPS power supplies and ultra-low noise regulators, the HPA-23rm optimizes battery efficiency without sacrificing audio performance. This strategic design delivers up to 5 hours of continuous playback on voltage output and up to 3 hours on current output, ensuring uninterrupted listening pleasure.
Precision Engineering Meets Minimalist Elegance
The HPA-23rm showcases Enleum’s award-winning design identity with its sleek, minimalist aluminum chassis, precision-machined to exacting standards. Featuring integrated heatsinks and a faceted volume knob inspired by Enleum’s acclaimed AMP-23R, this amplifier blends functional elegance with exceptional build quality. Each unit embodies meticulous attention to detail, reflecting unmatched craftsmanship and enduring sophistication.
Solid-State Relay Attenuator for Optimal Performance
Achieve perfect channel balance and superior audio clarity with the advanced solid-state relay attenuator featured in the HPA-23rm. This innovative design significantly reduces noise and enhances switching efficiency, utilizing ultra-precision resistor networks for exceptional consistency. Tailored gain adjustments further optimize compatibility with various headphone sensitivities, delivering audiophile-quality sound tailored precisely to your preferences.
Technical Specifications
| Feature | Details |
|---|---|
| Power | 1 Watt (Current Output) / 500 mWatts (Voltage Output) @ 30ohms |
| Plug Compatibility | US/Canada/Japan |
| Input | RCA and 1/8" Mini Jack (Analog) |
| Output | 1/4" (Current Output) and 1/8" (Voltage Output) Headphone Jacks |
| Operation Time | Up to 5 hours (Voltage Output) / Up to 3 hours (Current Output) / Continuous with USB-C charger or battery pack |
| Dimensions | 116 mm x 164.5 mm x 2 mm (W x D x H) |
| Weight (Net) | 730g |
What's In the Box
- Enleum HPA-23rm Headphone Amplifier
- USB-C Charging Cable
- Quick Start Guide
- Warranty Information
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Express Shipping · United States: $3.99
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
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