FX-AUDIO- D302J++ [Black] High-Resolution Audio Compatible, 4-Input Digital/Analog Input, Full Digital Amplifier, USB, Optical, Coaxial, Digital, Up t

This high-quality, fully digital amplifier minimizes sound quality degradation along the signal path by transmitting everything from the input terminal to the digital amplifier IC using digital signals. Based on the high-resolution compatible fully digital amplifier product "D302J+", this is a higher-end model that uses the new generation SAVITECH BRAVO-HD "SA9123L" as the USB receiver chip, supporting up to 24-bit/192kHz via USB connection.

[Notes] *This product does not require a power supply. An AC adapter is required for use. *The headphone output terminal does not support 4-pole plugs (TRRS). *This product does not support DSD or surround sound input (Dolby Digital, etc.). *When connecting to a PC via USB, depending on the environment, the OS audio output settings may need to be adjusted. *Connection to mobile OS-equipped devices such as smartphones and tablets is not guaranteed as it may not be recognized due to device specifications or software compatibility issues. *The product warranty period is 6 months from the date of purchase.

【Product Specifications】 Brand: FX-AUDIO- Product Model: 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 *4-pole plugs (TRRS) are not covered by the warranty.

Supported Format: PCM 2ch Stereo, up to 24-bit, 192kHz Output Terminal: 2ch Stereo Speaker Output (Gold-plated terminals compatible with banana plugs) Maximum Output: 15W x 2ch (at 12V power input, 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: Texas Instruments Burr-Brown PCM1808 Headphone Circuit Op-amp: Texas Instruments NE5532 Functions: Digital 3-input + Analog 1-input 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-positive polarity) Accessories: Instruction manual Size: 133mm (W) x 108mm (D) x 33mm (H) (excluding protrusions) Weight: 410g

【Supported OS (USB connection)】 Windows 11/ 10/ MacOS X / 9.1 or later USB AUDIO CLASS 2.0 compatible: Windows 10 Creators Update version 1703 build 15063 or later, Mac OS X 10.6.4 or later *For Windows 10 and later and MacOS, it works with the OS standard driver.

*Operation with mobile OS devices is not guaranteed* Connection with mobile OS devices is not guaranteed as it may not be recognized due to the specifications of the device or software.

*Although operation is not guaranteed, we have confirmed operation with some mobile devices, so we are listing it as reference information.

・iPhone 6/iPhone SE/iPhone XR/iPhone X (connection with Lightning - USB 3 camera adapter)

*Specifications and design may change without notice due to improvements, etc. 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 Uses SA9123L chip, allowing USB input to support high-resolution 24bit/192kHz audio Equipped with 3 digital inputs (high-resolution compatible) + 1 analog RCA input