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ASTELL & KERN AK HC5
Portable USB DAC with AK4191EQ + AK4499EX, high-end DAP level sound.
3.5 mm and 4.4 mm outputs, up to 5 Vrms and PCM 768 kHz / DSD512 support
150-step volume wheel, 1.62" OLED screen and DAR modes + 6 DAC filters
Compact aluminum design, shielded cable and UAC 2.0/1.0 compatibility (PC, mobile, console)
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Astell&Kern PA10. Portable Class A Headphone Amplifier with TERATON ALPHA Technology
Pure Class A power in your pocket.
The Astell&Kern PA10 is a high-performance portable headphone amplifier that brings the brand’s renowned analog warmth and cutting-edge design to any headphone setup. Featuring a pure Class A amplification circuit and Astell&Kern’s proprietary TERATON ALPHA technology, the PA10 delivers a rich, natural, and spacious sound signature with exceptional detail and instrument separation.
Designed to drive everything from sensitive IEMs to high-impedance headphones, the PA10 provides both balanced (4.4 mm) and unbalanced (3.5 mm) inputs and outputs, along with a dual-gain setting to perfectly match headphone sensitivity and power requirements.
Class A Performance with TERATON ALPHA Precision
The Class A circuit ensures distortion-free output without crossover artifacts, while TERATON ALPHA—originally developed for Astell&Kern’s flagship DAPs—optimizes power delivery, reduces noise, and preserves the signal’s original purity. The result is transparent, full-bodied audio that retains musicality across all genres.
Premium Industrial Design
Crafted from precision-machined aluminum, the PA10 features a minimalistic yet robust chassis with integrated silicone elements for better grip and heat dissipation. Its ergonomics and design aesthetics are made to seamlessly complement Astell&Kern DAPs.
Key Features
True Class A amplification: Warm, natural, distortion-free sound
Balanced and unbalanced I/O: 3.5 mm and 4.4 mm inputs/outputs
Dual gain settings: Switchable Low/High gain for IEMs or power-hungry headphones
Up to 12 hours of battery life: Ideal for long listening sessions on the go
Industrial-grade build: Aluminum chassis with sleek and durable finish
Technical Specifications
Amplification type: Pure Class A
Inputs:
3.5 mm unbalanced
4.4 mm balanced
Headphone outputs:
3.5 mm unbalanced
4.4 mm balanced
Gain control: Two levels (Low / High)
Frequency response: 20 Hz – 20 kHz (±0.06 dB)
Signal-to-noise ratio: 117 dB (1 kHz, balanced mode)
Crosstalk: -110 dB (1 kHz, balanced mode)
Battery life: Up to 12 hours (3.5 mm out, 30% volume)
Dimensions: 73 × 140 × 23.3 mm
Weight: 325 g
The Astell&Kern PA10 is the ultimate portable amplifier for audiophiles who demand Class A sound quality, sleek design, and versatile connectivity—anywhere, anytime.
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