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This decoder board adopts HIFI-level PCM2704 USB decoder chip whose performance is better than the most popular chip - CM102S series on the market. USB-powered power output can be directly connected to the headset, but also do pre-digital output for more advanced DAC decoder provides SPDIF digital signal for better sound quality. It is an external sound card, so that the chassis can avoid serious electromagnetic interference, SNR and sound quality can be improved.
PCM2704 is a single-chip digital-analog converter chip. It has two DAC output channels and an integrated USB interface controller. Interface complies with USB1.1 standards. PCM2704 can receive 48KHz, 44KHz and 32KHz sampling rate, 16-bit stereo or mono audio data, the internal software chip volume and mute functions can be synchronized to adjust the volume and mute the computer.
1. USB input, coaxial, fiber optic, analog output.
2. Use HIFI-level PCM2704 USB decoder chip.
3. USB-powered power output, can be directly connected to the headset.
4. External sound card ensures improved sound quality.
5. A single-chip digital-analog converter chip with 2 DAC output channels and an integrated USB interface controller.
Size: 58 * 58 * 24 mm (excluding terminal)
Supply Voltage: 5 V (USB powered)
Distortion: THD + N: 0.006% (RL> 10 kΩ)
Distortion: THD + N: 0.025% (RL = 32 Ω)
SNR: 98 dB
Dynamic Range: 98 dB
Earphone Output Power: 12 mW (RL = 32 Ω)
USB Supported Sample Rate: 16Bit 32k - 48k
USB Support System: WINXP / WIN7 / WIN8, Apple MAC OS 9 / OS X, Android 4.1 and above systems (need to support OTG models)
Package Weight: About 30g
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