Technical Parameters:
Power supply: AC+Built-in linear power supply
Digital inputs: USB/Coaxial/Optical/Bluetooth
Analog Input: RCA/4.4mm Balanced
USB B and USB C connectors
Headphone outputs: 4-pin XLR/4.4mm Balances, 6.35mm single-ended
Line-out: RCA/XLR
Seven Digital Filters
PCM Decoding: Up to 32-Bit/384kHz
DSD256 native decoding
Audio clock: High-precision PLL+Dual crystal oscillators
Output power(SE): 2.1W(16Ω), 281mW(300Ω)
Output power(Bal): 2.1W(32Ω), 1.1W(300Ω)
THD+N: ≤0.00025%
SNR: ≥129dB
Line level: Up to 5.8Vrms.

Features Of K9 Pro ESS:
x2 ESS Technology ES9038PRO Flagship DACs
Toroidal Linear Power Supply + Nichicon Caps
THX AAA 788+ Amp Module (≈2.1W @32Ω)
Fully Balanced Architecture with x8 OPA1612
Dual Femto-Second Crystal Clocks, LDOs & More.
Isolated Digital & Analog Power
Bluetooth 5 + LDAC 24bit/96kHz, APTX/HD, SBC, AAC
XMOS XU-208 USB Controller
32bit 384kHz PCM & DSD256 + MQA x8 Support
Upgradeable Firmware

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