Unfortunately I don’t think Sony sell the ZX300 series anymore.
They sell the ZX500 series currently, it runs android, is missing USB DAC functionality and has regional volume restrictions which completely gut the potency of the amplifier, and for which there is no known workaround currently as root has not yet been publicly obtained.
They sell the ZX500 series currently, it runs android, is missing USB DAC functionality and has regional volume restrictions which completely gut the potency of the amplifier, and for which there is no known workaround currently as root has not yet been publicly obtained.