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I own the SAP-VI - mean little amp, though with a somewhat unaccomodating 10ohm output impedance. Any word on the output impedance on this one? I definitely like the minimalist look of this one with the blacked out text, centered headphone out, plus the 2 inputs are a boon.
It uses a TPA6120A2 as the output buffer. This opamp requires a minimum output impedance of 10 ohms to prevent oscillation. The same chip is used in the Fiio E09K, Topping A30, etc.
Nope ! Seems SMSL team switched opamp to OPA 2604 since a few months now.