HP-A8 vs Audio-GD NFB-11.28
The NFB-11.28's weight is 2.5 kg (6 lbs) against the HP-A8's 3.8 kg (8 lbs). Both share bit depth (32-bit), max sample rate (384 kHz), and thd (0.002%).
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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Fostex HP-A8 is a premium DAC headphone amplifier designed for audiophiles and professionals seeking superior audio performance. It integrates the ESS Technology ES9028PRO DAC chip, supporting high-resolution PCM playback up to 32-bit/384kHz and DSD playback up to 11.2MHz, ensuring detailed and crystal-clear sound reproduction. The unit offers versatile connectivity including USB, optical, coaxial, and AES/EBU digital inputs, along with 1/4" and 1/8" headphone outputs, RCA, and balanced XLR outputs. It delivers up to 1 watt output power at 32 ohms with very low total harmonic distortion (<0.002%), and a wide frequency response from 20 Hz to 80 kHz. The HP-A8 features an OLED display and a robust build quality with precise volume and gain controls, making it suitable for a wide range of headphones from sensitive IEMs to high-impedance models. Its design emphasizes transparency, smoothness, and an immersive 3D soundstage, revealing intricate recording details and natural instrument timbres. The device is appreciated for its clean power, accurate volume control, and professional-grade audio fidelity.
DAC capabilities and digital audio processing
Analog signal output specifications
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The NFB-11.28's weight is 2.5 kg (6 lbs) against the HP-A8's 3.8 kg (8 lbs). Both share bit depth (32-bit), max sample rate (384 kHz), and thd (0.002%).
The DAC-9H's output voltage is 4.0V RMS against the HP-A8's 1.0V RMS. Both share bit depth (32-bit), max sample rate (384 kHz), and thd (0.002%).
The NFB-11.38's output voltage is 2.5V RMS against the HP-A8's 1.0V RMS. Both share bit depth (32-bit), max sample rate (384 kHz), and thd (0.002%).
The M-DAC+'s output voltage is 4.5V RMS against the HP-A8's 1.0V RMS. Both share bit depth (32-bit), max sample rate (384 kHz), and thd (0.002%).
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