@IVX , To be honest, since I purchased Cosmos Scaler as an input buffer, I overlooked the gain feature that gives Scaler its name. :D I compared DR tests.
TOPPING D30Pro 1kHz (actually 999.76Hz as FFT length is 64k) -60dB to ADC. THD+N = -58.2dB, hence DR = 58.2 + 60 = 118.2dB.
Next, TOPPING...