High resolution compatible 4 digital amplifier USB light optical coaxial digital up to 24bit 192kHz FX-AUDIO- D302J++ [Black] digital/analog

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【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

If you have any questions about our products, please feel free to contact us. We will search for products that are not sold in our store. In that case, we will offer you a good price at JOOM's store. Thank you ！ AC adapter required (sold separately) DC12V/2A or higher DC jack 5.5mm x 2.1mm (center positive) Sound quality comparable to high-end amplifiers full digital amplifier USB input supports high resolution 24bit/192kHz by adopting SA9123L Equipped with 3 digital inputs (high resolution compatible) + 1 analog RCA input High-quality electronic volume and tone control function Nichicon KT series audio capacitors are used as power supply decoupling capacitors. This is a high-quality full digital amplifier that minimizes sound quality deterioration along the route by transmitting digital signals from the input terminal to the digital amplifier IC. Based on the high-resolution fully digital amplifier product "D302J+", this high-end model uses the new generation SAVITECH BRAVO-HD "SA9123L" as the USB receiver chip and supports up to 24bit/192kHz with USB connection. [Notes] *This product is sold separately. A separate AC adapter is required for use. *Operation is not guaranteed for the headphone output terminal with a 4-pole plug (TRRS). *This product does not support DSD or surround input (Dolby Digital, etc.). *Depending on the environment, it may be necessary to configure the audio output settings of the OS when connecting to a PC via USB. *Connection with mobile OS devices such as smartphones and tablets may not be recognized due to device specifications or software compatibility, so operation is not guaranteed. *The product warranty period is 6 months from the date of purchase. [Product specifications] Brand: FX-AUDIO- Product model number: D302J++ Color: black Product warranty period: 6 months from the date of purchase Analog input: [1 system] Stereo RCA terminal Digital input: [3 systems] USB Type B terminal/optical digital audio input (square type)/coaxial digital audio input Headphone output: 3.5mm stereo mini jack *Operation is not guaranteed for 4-pole plugs (TRRS). Supported format: PCM 2ch stereo maximum 24bit 192kHz Output terminal: 2ch stereo speaker output (gold-plated terminal compatible with banana plugs) Maximum output: Maximum 15W x 2ch (when power input is 12V, 4Ω) / Compatible speakers: 4Ω to 16Ω Full digital power amplifier IC: STMicroelectronics STA369BW USB receiver IC: SAVITECH BRAVO-HD SA9123L Audio receiver IC: Cirrus Logic CS8422 ADC IC: Burr-Brown PCM1808 manufactured by Texas Instruments Headphone circuit operational amplifier: Texas Instruments NE5532 Function: 3 digital systems + 1 analog system input switching, tone control function, mute function Power supply: DC12V / Power capacity 2A or more (AC adapter sold separately) Power connector: outer diameter 5.5mm inner diameter 2.1mm (center plus specification) Accessories: Instructions Size: Width 133mm x Depth 108mm x Height 33mm (excluding protrusions) Weight: 410g [Supported OS (USB connection)] Windows 11/ 10/ MacOS X/9.1 or later USB AUDIO CLASS 2.0 compatible: Windows10 Creators Update version 1703 build 15063 or later Mac OS X 10.6.4 or later *For Windows 10 or later and MacOS, it operates with the OS standard driver. *Operation is not guaranteed for devices equipped with mobile OS* Connection with a device equipped with a mobile OS may not be recognized due to device specifications or software specifications, so operation is not guaranteed. *While we do not guarantee operation, we have confirmed that it works on some mobile devices, so we will post it here as reference information. ・iPhone6/iPhoneSE/iPhoneXR/iPhoneX (Connection with Lightning to USB 3 camera adapter) *Specifications and design may change without notice due to improvements or other reasons.