Welcome to our store！</br> 1、Volume Adjustment Knob: Support volume control, only control RCA and 3.5mm sound output. With surging power and full thrust. 2、Widely Compatible With 600 Ω Headphones: Designed for game player and music fancier, support all headphones within 600Ω. 3、192Khz 24Bit Sampling Rate: Support 192Khz 24Bit sampling rate on the optical signal, built in interference immunity and no signal input squelch circuit. 4、Optical And Coaxial Output Interface: Supports 1 optical input and 1 coaxial output at the same time. It can be switched by adjustment knob. 5、Aluminum Alloy Material: The design of portable aluminum alloy shell improves overall immunity, it makes the sound clear and pure. <p class="wang-edit-text"><p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> <p class="wang-edit-text"> Item Type: Sound Converter Product Material: Aluminum Alloy Weight: Approx. 237g / 8.4oz Sound Format: PCM Sound Sampling Rate: 32-192K RCA Output Maximum: 8Vp-p Maximum Output Level Of 3.5mm Sound Interface: 6.5Vp-p Maximum Output Power Of 3.5mm Sound Port: 32Ω30mW <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Sound Converter 2 x Connecting wire&nbsp; 1 x Instruction Manual&nbsp; Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>