Astell&Kern PA10 Headphone Amplifier

Experience Pure Analog Class-A Sound
Discover unparalleled audio quality with the Astell&Kern PA10 Headphone Amplifier, designed to deliver a rich, analog Class-A sound. Known for its exceptional linear output, the PA10 offers warm, natural, and distortion-free amplification, making it the ideal companion for audiophiles who seek true-to-life sound reproduction. Thanks to Astell&Kern's unique circuit design, enjoy the remarkable performance of Class-A amplification in a highly portable format.
Tailored Sound with Class-A Current Control
The PA10 offers precise Class-A current control, featuring a three-stage adjustable setting (High/Mid/Low), allowing users to fine-tune the sound intensity and spatial characteristics. This innovative feature adjusts the amplifier’s current output to match the specific requirements of your headphones or in-ear monitors, delivering a more vivid, immersive, and personalized audio experience while optimizing power consumption.
High-Resolution Balanced and Unbalanced Connectivity
Enhance your listening experience with the PA10’s versatile connectivity options. Featuring true balanced 4.4mm inputs and outputs along with standard unbalanced 3.5mm ports, the PA10 amplifier provides exceptional compatibility with a wide range of audio equipment. The balanced connection ensures higher voltage output, clearer sound reproduction, and reduced noise, perfectly complementing premium headphones and audio sources.
Reduce Listening Fatigue with Advanced Crossfeed Technology
The Astell&Kern PA10 integrates a sophisticated hardware-based crossfeed circuit designed to replicate the natural stereo soundstage of a speaker system. This technology mixes signals from each channel with a precise delay, creating a more centered and realistic audio experience. This significantly reduces listening fatigue, allowing for comfortable extended listening sessions without compromising audio fidelity.
Premium Design with Ergonomic Sophistication
The PA10 exemplifies Astell&Kern’s commitment to meticulous design and superior build quality. Featuring an ergonomic slope design crafted from durable aluminum, this amplifier offers excellent grip and elegant aesthetics. Thoughtful design elements, such as the recessed volume wheel and textured rubber pads, enhance user experience by preventing accidental adjustments and ensuring stable attachment to your audio player during portable use.
Extended Playback and Unmatched Portability
Powered by a robust 4200mAh rechargeable battery, the PA10 ensures uninterrupted audio enjoyment for up to 12 hours on a single charge. This remarkable battery life, combined with its compact form factor, makes it the perfect portable companion for audiophiles on the go. Enjoy exceptional Class-A amplification anytime, anywhere, without worrying about running out of power.
Technical Specifications



Category
Feature
Details


Headphone Channels
Number of Headphone Channels
Single Channel


Recommended Headphone Impedance
16 to 300 Ohms


Amplification
Headphone Output Power
Not Specified by Manufacturer


Digital Chipset
Not Specified by Manufacturer


Equalization
EQ
No


Display
Display
No


Connectivity
Analog Audio I/O
1x 1/8" / 3.5 mm TRS Unbalanced Stereo Line/Headphone Output1x 1/8" / 3.5 mm TRS Unbalanced Stereo Line Input1x 4.4 mm TRRRS Balanced Stereo Line/Headphone Output1x 4.4 mm TRRRS Balanced Stereo Line Input


Digital Audio I/O
No


USB I/O
1x USB-C (Power/Charging Input)


Wireless
No


Mobile App Compatible
No


Performance
Frequency Response
1/8" / 3.5 mm Line, Headphone Outputs: 20 Hz to 20 kHz ± 0.2 dB (Low Gain, Balanced and Unbalanced)4.4 mm Line, Headphone Outputs: 20 Hz to 20 kHz ± 0.06 dB (High Gain, Balanced and Unbalanced)


Maximum Input Level
1/8" / 3.5 mm Line Inputs: 2 Vrms (Unbalanced)4.4 mm Line Inputs: 4 Vrms (Balanced)


Maximum Output Level
1/8" / 3.5 mm Line/Headphone Outputs: 2.1 Vrms (Low Gain, Unbalanced), 4.2 Vrms (Low Gain, Balanced)4.4 mm Line/Headphone Outputs: 3.1 Vrms (High Gain, Unbalanced), 6.2 Vrms (High Gain, Balanced)


Impedance
1/8" / 3.5 mm Line/Headphone Outputs: 1.1 Ohms (Unbalanced)4.4 mm Line/Headphone Outputs: 1.3 Ohms (Balanced)


THD+N
1/8" / 3.5 mm Line/Headphone Outputs: 0.0045% (Low Gain, Unbalanced, at 1 kHz), 0.0027% (High Gain, Unbalanced, at 1 kHz)4.4 mm Line/Headphone Outputs: 0.0015% (Low Gain, Balanced, at 1 kHz), 0.0013% (High Gain, Balanced, at 1 kHz)


Signal Performance
SNR
1/8" / 3.5 mm Headphone Outputs: 111 dB (Low Gain, Unbalanced, at 1 kHz), 114 dB (High Gain, Unbalanced, at 1 kHz)4.4 mm Headphone Outputs: 115 dB (Low Gain, Balanced, at 1 kHz), 117 dB (High Gain, Balanced, at 1 kHz)


Crosstalk
Headphone Outputs: -83 dB (Unbalanced, at 1 kHz), -110 dB (Balanced, at 1 kHz)


Power
Power Requirements
Battery


Battery Type
1x Internal Rechargeable Lithium-Ion Polymer (LiPo), 4200 mAh


Battery Charging Time
4 Hours


Approximate Battery Life
12 Hours (Internal Rechargeable Lithium-Ion, Unbalanced Output)


Physical
Dimensions
5.5 x 2.9 x 0.92" / 14 x 7.3 x 2.33 cm


Weight
11.5 oz / 326.0 g


Packaging Info
Package Weight
1.515 lb


Box Dimensions (LxWxH)
7.5 x 4.8 x 3.7"



What's In the Box

Astell&Kern PA10 Headphone Amplifier
USB-C Charging Cable
Rubber Bands for Secure Attachment
Quick Start Guide
Warranty Information