Olasonic, Headphone amplifier built-in DAC "NANO-D1" in "NANOCOMPO" series

NANO-D1, equipped with USB input, coaxial digital input, optical digital input, one system each.

By using the dedicated driver for USB input, it corresponds to 192kHz/24bit, but it is also possible to select 96kHz/24bit-enabled mode for which the dedicated driver is unnecessary

As for coaxial digital, optical digital, it corresponds to the input up to  192kHz/24bit also

Headphone amplifier, adopted "OPA2132" to the operational amplifier. It also enriched the low-frequency by making the output stage to direct output (OCL).