








AUDMA BRIOSO PHPA1
The AUDMA BRIOSO PHPA1 is a premium portable headphone amplifier designed for audiophiles who demand uncompromising sound quality on the go. Handcrafted in Italy, this high-end amplifier features AUDMA’s patented ELISA technology, delivering a realistic three-dimensional soundstage that transforms headphone listening into an immersive experience. Equipped with flagship AKM AK4499EXEQ and AK4191EQ DAC chips with VELVETSOUND™ technology, BRIOSO supports PCM up to 768 kHz and DSD256 for ultra-high-resolution playback. Its elegant anodized aluminum chassis, tactile controls for ELISA Stage, Angle, and Bass compensation, and versatile connectivity including balanced 4.4 mm Pentaconn, unbalanced 3.5 mm, and USB-C digital input make it the ultimate portable solution for music lovers. With adjustable output gain, powerful amplification for headphones from 32 Ω to 150 Ω, and a rechargeable 1600 mAh battery offering up to 5 hours of wireless operation, BRIOSO PHPA1 combines cutting-edge technology, Italian design, and portability for an unmatched listening experience.
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AUDMA BRIOSO PHPA1
Hi‑End Portable Headphone Amplifier with ELISA Technology

The AUDMA BRIOSO PHPA1 packs uncompromising audiophile-grade performance into a compact, portable form. Crafted meticulously in Italy, this high-end headphone amplifier integrates patented ELISA (Electronic Loudspeaker Imaging Simulating Amplifier) circuitry—bringing realistic imaging and depth to headphone listening that rivals full-size systems.
Precision Craftsmanship & Design
Encased in full anodized aluminum with a silk-effect finish, anti-slip rubber inserts, and push-pull potentiometers, the BRIOSO’s build quality mirrors AUDMA’s flagship desktop amplifiers. Top-panel controls for Stage, Angle, and Bass adjustments provide intuitive access and portability without compromising functionality.
Superior Conversion & Signal Quality
Equipped with flagship AKM AK4499EXEQ and AK4191EQ DAC chips featuring VELVETSOUND™ technology, the PHPA1 delivers ultra-low distortion, transparent tonal balance, and precise signal fidelity—supporting PCM up to 768 kHz and DSD256 for full-resolution playback.
Adaptive Power & Compatibility
Drive any headphones—from sensitive IEMs to demanding planar models—using convenient rear-mounted switches to adjust output power. Capable of delivering 2 × 2 W into 32 Ω and scaling up to 4 W into 64 Ω and 2.7 W into 150 Ω, it adapts to your gear with ease.
Rich Connectivity & Ergonomic Controls
Supports both analog and digital sources, with 4.4 mm balanced Pentaconn and 3.5 mm unbalanced inputs, plus USB-C digital input. Real-time ELISA circuitry controls and bass compensation knobs deliver tactile precision, while battery and ELISA status LEDs keep you informed.
Portable with Endurance
Powered by a 1,600 mAh, 7.4 V rechargeable battery, BRIOSO PHPA1 offers up to 5 hours of wireless operation, with an additional USB-C power input for permanent use. Compact yet robust, it measures approximately 8.1 × 1.9 × 13.8 cm and weighs just 240 g, making it ideal for on-the-go audiophiles.
Why choose BRIOSO PHPA1?
- Delivers full ELISA 3D imaging in a portable format
- High-end AKM DACs ensure unmatched clarity and resolution
- Versatile power and headphone compatibility
- Elegant Italian design with tactile control layout
- Balanced analog/digital inputs and long battery runtime
TECHNICAL SPECIFICATION
Feature | Details |
|---|---|
| Headphone Amplifier | Equipped with ELISA circuitry (Electronic Loudspeaker Imaging Simulating Amplifier) |
| Operating Range | Compatible with all dynamic headphones with impedance ≥ 6 Ω |
| ELISA Commands | Off/On, Stage, Angle |
| Other Controls | BASS compensation, Volume |
| Analog Inputs | 4.4 mm Balanced (Pentaconn), 3.5 mm Unbalanced |
| Digital Inputs | USB-C |
| Digital Section | AKM AK4499EXEQ + AK4191EQ with VELVETSOUND™, 32-bit resolution, PCM 768 kHz / DSD256, automatic PCM/DSD selection |
| Output Power (1 kHz, 32 Ω) | 2 × 2.0 W* |
| Output Power (1 kHz, 64 Ω) | 2 × 4.0 W* |
| Output Power (1 kHz, 150 Ω) | 2 × 2.7 W* |
| Note | * +/-3V +/-10V switch |
| Headphone Outputs | 4.4 mm Balanced (Pentaconn), 3.5 mm Unbalanced |
| Output Gain | Adjustable 0/+8/+16/+24 dB |
| Signal-to-Noise Ratio | 115 dB |
| Frequency Response | 20 Hz - 20 kHz ± 0.01 dB |
| Rechargeable Battery | 1600 mAh - 7.4 V (up to 5 hours) |
| Size | 8.1 × 1.9 × 13.8 cm |
| Weight | 240 g |