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Optical Audio Changer, Digital To Analog Adjustable DAC Converter  For Audio Conversion

<ul><li>You can easily convert the digital audio signal input from the coaxial or optical interface into an analog stereo audio signal with an  interface and a 3.5 mm headphone jack.</li><li>The built-in professional audio  chip and volume adjustment knob can directly drive the headphones and adjust the volume.</li><li>The bass adjustment function can provide powerful stereo, heavy bass effects, and create a perfect environment different from the sound field.</li></ul>

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<br/><b>Specification:</b><br/>Item Type: DAC Converter<br>Material: Metal<br>Support Audio Format: PCM<br>Resolution 1KHZ: 94DB<br>Response Frequency: 20Hz-20KHz-0.2db<br>Signal-to-Noise Ratio SNR: -100DB<br>Total Harmonic Distortion  + N: 10Hz-20KHz 0.25-0.065%<br>Blocked Time: 0.577Fs<br>Sampling Rate: 32-192 KHz<br>Bit Rate: 16-24 bits<br>Headphone Output Level Adjust the Bass to the Maximum: 3V<br> Output Level Adjust the Bass to the Maximum: 9V<br>Headphone Output Power Adjust the Bass to the Maximum: 32 Ohm  30mW<br>Headphone Output Impedance: 0.8 Ohm <br> Output Impedance: 450 Ohm <br>Working Voltage: + 5V<br>Maximum Voltage: + 6V<br>Maximum Power Consumption: 75mA<br>Working Temperature Range: -10-70 degrees Celsius <br>Storage Temperature Range: -60-150 degrees Celsius <br>Working Humidity Range: 10-80% non-condensing<br>Storage Humidity Range: 5-90% non-condensing<br><br>How to Use:<br>1. Use optical cable or coaxial cable to connect CD/DVD and other playback devices to optical interface or coaxial interface. Use a USB cable to connect the laptop to the USB port.<br>Note: Do not connect a USB flash drive to this USB port.<br>2. Use  cable or 3.5mm audio cable to connect the decoder to the audio  or headphones.<br>3. Use a USB cable to connect the DC 5V power connector of the decoder to the power source.<br>4. Use the knob to adjust the volume appropriately.<br>5. According to your preference, adjust the bass component appropriately through the knob. <br/><br/><b>Package List:</b><br/><p>1 x DAC Converter</p><p>1 x User Manual</p><p>1 x Power Cable</p><p>1 x For Toslink Cable</p><p>1 x USB Data Cable</p> <br/><br/><b>Note:</b><br/><div>1. This DAC supports digital PCM audio format. Before using PLS, please set your digital audio equipment such as HD TV, TV BOX or game console to PCM or LPCM audio. It doesn't support for DTS Dolby AC3.</div><div>2. PCM setting path: device homepage-system setting-image and sound-voice setting-digital audio output-PCM</div><div>3. It is suitable for  or for  TV. If you want to connect them, please follow the steps below</div><div>Settings:</div><div>A. For  TV setting path:</div><div>PCM format: Settings-Sound-Expert Settings-Audio Format-PCM.</div><div>External speakers: Settings-sound-select speakers-optical.</div><div>B. For  TV setting path:</div><div>PCM setting path: menu-all settings-sound output-optical-digital sound output-PCM.</div><div>If you need to synchronize the output of the TV speakers and the optical fiber: menu-all settings-sound output-optical fiber-internal TV speaker + optical fiber.</div><div>4. Power charging: USB power cord-separate 5V 1A standard plug-wall socket.</div><div>5. Do not use the power adapter by plugging the USB cable directly into the TV an unstable power source can cause humming.</div><div>6. If the volume from the output of the DAC is not  enough, please connect the output of the DAC to a low-impedance mobile phone headset, headphone  or power .</div><div>7. It is not suitable for Netflix and for  video sites.</div><div>8. Before turning on, you must turn the adjustment knob counterclockwise to reduce the volume, so as not to damage your hearing!</div><div>9. USB flash drives are not supported!</div>

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