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Wide range of applications: this decoder card offers a very wide range of applications and excellent performance. PCM2704 decoder card, this decoder card supports USB input, coaxial, fibre optic and analogue output. PCM2704 chip: This sound card decoder card uses a HIFI PCM2704 USB decoder chip, a digital-analog converter chip with one chip, 2 DAC output channels and integrated USB interface controller. USB power supply: this sound card decoder card supports USB power supply and can be connected directly to a mobile phone, making the power supply of this sound card decoder card very convenient. External sound card: this sound card decoder card is an external sound card that effectively avoids electromagnetic interference, improves sound quality and achieves a purer sound. Multifunctional: this sound card decoder card can receive sampling rates of 48 kHz, 44 kHz and 32 kHz, 16-bit stereo or mono audio data, and the volume and mute function of the internal software chip can simultaneously adjust the volume and mute the computer. › See more product details; Product description This decoder board uses a USB decoder chip PCM2704 at HIFI level, whose performance is better than that of the most popular chip - the CM102S series on the market. The USB power output can be connected directly to the headset. However, the pre-digital output for a more advanced DAC decoder delivers a digital SPDIF signal for better sound quality. It is an external sound card so that the case can avoid serious electromagnetic interference. The SNR and sound quality can be improved. Features: Wide range of applications: this decoder card offers a very wide range of applications and excellent performance. This decoder card supports USB input, coaxial, fiber and analog output. PCM2704 chip: This sound card decoder card uses a HIFI PCM2704 USB decoder chip, a single chip digital-analog converter chip with 2 DAC output channels and built-in USB interface controller. Specifications: Size: 58 x 58 x 24 mm (without connector). Supply voltage: 5V (USB power) Distortion: THD + N: 0.006% (RL > 10 kΩ). Distortion: THD + N: 0.025% (RL = 32Ω). SNR: 98 dB. Dynamic range: 98 dB. Headphone output power: 12mW (RL = 32Ω) USB supported sampling rate: 16 bit 32k - 48k USB support system: WINXP/WIN7/WIN8, OS 9/OS X, Android 4.1 and above (OTG models need to be supported) Package weight: approx. 30 g. Package list: 1 x decoder board.; Product description This decoder board uses a USB decoder chip PCM2704 at HIFI level, whose performance is better than that of the most popular chip - the CM102S series on the market. The USB power output can be connected directly to the headset. However, the pre-digital output for a more advanced DAC decoder delivers a digital SPDIF signal for better sound quality. It is an external sound card so that the case can avoid serious electromagnetic interference. The SNR and sound quality can be improved. Features: Wide range of applications: this decoder card offers a very wide range of applications and excellent performance. This decoder card supports USB input, coaxial, fiber and analog output. PCM2704 chip: This sound card decoder card uses a HIFI PCM2704 USB decoder chip, a single chip digital-analog converter chip with 2 DAC output channels and built-in USB interface controller. Specifications: Size: 58 x 58 x 24 mm (without connector). Supply voltage: 5V (USB power) Distortion: THD + N: 0.006% (RL > 10 kΩ). Distortion: THD + N: 0.025% (RL = 32Ω). SNR: 98 dB. Dynamic range: 98 dB. Headphone output power: 12mW (RL = 32Ω) USB supported sampling rate: 16 bit 32k - 48k USB support system: WINXP/WIN7/WIN8, OS 9/OS X, Android 4.1 and above (OTG models need to be supported) Package weight: approx. 30 g. Package list: 1 x decoder board.; This decoder board uses a USB decoder chip PCM2704 at HIFI level, whose performance is better than that of the most popular chip - the CM102S series on the market. The USB power output can be connected directly to the headset. However, the pre-digital output for a more advanced DAC decoder delivers a digital SPDIF signal for better sound quality. It is an external sound card so that the case can avoid serious electromagnetic interference. The SNR and sound quality can be improved. Features: Wide range of applications: this decoder card offers a very wide range of applications and excellent performance. This decoder card supports USB input, coaxial, fiber and analog output. PCM2704 chip: This sound card decoder card uses a HIFI PCM2704 USB decoder chip, a single chip digital-analog converter chip with 2 DAC output channels and built-in USB interface controller. Specifications: Size: 58 x 58 x 24 mm (without connector). Supply voltage: 5V (USB power) Distortion: THD + N: 0.006% (RL > 10 kΩ). Distortion: THD + N: 0.025% (RL = 32Ω). SNR: 98 dB. Dynamic range: 98 dB. Headphone output power: 12mW (RL = 32Ω) USB supported sampling rate: 16 bit 32k - 48k USB support system: WINXP/WIN7/WIN8, OS 9/OS X, Android 4.1 and above (OTG models need to be supported) Package weight: approx. 30 g. Package list: 1 x decoder board.