Fosi Audio ZH3 Balanced DAC Headphone Amp Preamp

Fosi Audio ZH3 all-in-one desktop HiFi DAC/headphone amp/preamp boasts premium AKM4493SEQ DAC, XMOS XU316 processor, 4 OPA1612 amps, and self-developed balanced circuitry (1.9μV low noise). It supports PCM 768kHz/32bit, DSD512, with 6.35mm (640mW@32Ω) & 4.4mm (2570mW@32Ω) outputs, 3-level gain (16Ω-300Ω headphones). Equipped with coaxial/optical/USB/RCA inputs, 4.4mm/6.35mm/RCA/XLR outputs, plus EQ, 6 filters & swappable op-amps for sound customization—ideal for HiFi headphones/active speakers.

• An all-in-one desktop HiFi DAC/headphone amp/preamp: With premium chipsets and self-developed fully balanced circuitry, low noise and low distortion. Perfect for HiFi headphones or active speakers, it's the ultimate desktop audio solution
• Exceptional Sound Quality: Premium chipset with AKM4493SEQ DAC, XMOS XU316 processor, and four OPA1612 amps supports up to PCM 768kHz/32bit & DSD512. A self-developed dual-power balanced amp circuit with multiple ultra-low-noise LDOs and capacitors keeps noise as low as 1.9μV
• High Output Power: Equipped with both 6.35mm single-ended (640mW@32Ω x2) and 4.4mm balanced (2570mW@32Ω x2) outputs. The 3-level gain switch supports headphones ranging from 16Ω to 300Ω, making it perfect for almost in-ears and over-ear headphones
• Versatile & Flexible: With coaxial, optical, USB, and RCA inputs, plus 4.4mm, 6.35mm, RCA, and XLR outputs, it connects to diverse audio sources and devices. Functions as a DAC/amp/preamp for desktop HiFi. UAC mode switching ensures full compatibility with game consoles for both music and gaming
• Rich Customization: Features bass/treble EQ adjustments and 6 filter types, including Bypass mode and two swappable op-amps, allowing you to customize the sound to match your preference. All functions are integrated into the screen for a clean, premium look that continues the Z-Series design language
• Notes: 1. "RCA and XLR output levels differ significantly; please select according to your backend equipment" – this is to manage user expectations. 2. "EQ only supports headphone output" – this is to prevent users from mistakenly believing that the preamp output can also be used.

Fosi Audio ZH3 is an all-in-one desktop HiFi solution combining DAC, headphone amplifier, and preamp. It features premium AKM4493SEQ DAC and XMOS processor with support for PCM 768kHz/32bit and DSD512. Dual outputs deliver 640mW (6.35mm) and 2570mW (4.4mm) at 32Ω, with adjustable 3-level gain for headphones from 16Ω to 300Ω. Connect via USB, coaxial, optical, or RCA inputs; output to 4.4mm, 6.35mm, RCA, or XLR. Customize your sound with bass/treble EQ, 6 filter modes, and swappable op-amps. Self-developed balanced circuitry keeps noise at just 1.9μV. Perfect for HiFi headphones and active speakers.