Item Type: DAC Sound ConverterMaterial: Aluminum AlloyProduct Size: Approx. 100 x 95 x 20mm / 3.94 x 3.74 x 0.79inSound Format: PCMSound Sampling Rate: 32-192K3.5mm Sound Port Maximum Output Power: 3230mWInterface Maximum Output Level: 6.5Vp-pProduct Features:Support 1 optical and 1 coaxial input, can be switched by buttonSupport volume control (Note: only control RCA Sound and 3.5mm Sound output)Support optical input to 1 optical output and 1 coaxial outputSupport coaxial input to 1 optical output and 1 coaxial outputSupport connecting 600 high resistance headphonesSupport 192khz 24bit sampling rateUltra low power consumptionMetal design, anti interferencePackage List1 x DAC Sound Converter1 x Optical Cable1 x USB Power Cable1 x ManualManual measurement, please allow some errors.1[Anti Interference] Sound converter supports 192Khz 24Bit sampling rate of optical and SPDIF signal, built in anti interference and no signal input squelch circuit. Aluminum alloy casing and gold plated interface improve overall anti interference degree and the sound is clear and pure. 2[Compatible] Compatible with for PS3, HD DVD, for PS4, for Sky HD, home theater systems, AV amplifiers, etc; 5.1 channel signals are not compatible (such as for Dolby AC3); widely compatible with 32 to 600 headphones, designed for gamers and music lovers. 3[Sound Formats] Digital to analog sound converter supports PCM sound formats, and the format setting steps are settings, sound, and sound format. Similar amplifier function can provide better sound quality. Plug and play, easy to install and operate. 4[Volume Adjustment] DAC converter has built in volume adjustment circuit and control knob to solve the problem of low volume when using high resistance headphones, allowing direct drive of headphones and adjusting output volume. 5[Bass Adjustment Knob] Sound converter with 192KHz DAC innovative design of the bass adjustment function, can provide shocking stereo, heavy bass effect, to create a perfect environment different from the sound field, the gain effect is powerful.