The long-established store manufacturer often sells a high-performance gaming device "Razer", the audio device of a headset is also very popular in it. But while there are a lot of audio devices of 3.5mm plug connection, it's the situation that Jack of earphones is difficult to go off and use from smart phone in these days. In that case when seeing using the change plug which becomes good, how about sound? A portable DAC amplifier "THX Onyx" was released from Razer!

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