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Dual ES9038Q2M Audio Decoder Board Bluetooth QCC5125 USB Input 24bit 96kHz Ultra-low Noise OPA1622 Decoder Module
Precaution:
- A board with a Bluetooth module, signals are input through Bluetooth or USB ports on computers or mobile phones. Currently, Bluetooth supports up to 24 bit 96KHz (which is the highest format for CD discs). To achieve the best sound quality, in addition to playing higher bit-rate audio files, you need to input I2S signals through a USB interface card, as I2S can support 32bit 768KHz.
Specification:
- Input method: I2S
- Power supply method: USB or I2S interface
- Power supply voltage: 3.5 - 5.5V
- Maximum sampling rate: 32bit, 768kHz
- Connection method: 3-wire I2S + power supply
Package Included:
- 1 x Decoder Board
Note:
- The I2S bus does not support multiple signal sources. For the Bluetooth version module, the I2S bus is occupied by the Bluetooth module. If you want to use I2S with Bluetooth, you need to purchase the board version without Bluetooth module, and configure an additional I2S switching circuit by yourself.
- This board is tested and ready to use. As it does not have a shell, short circuits and overvoltage may cause damage.
Warm Tips:
- The power supply and output thrust were upgraded. When driving headphones below 60ohms with excessive thrust, it is difficult to control the volume carefully on the mobile phone, and a slight increase in volume can be deafening. So the conventional thrust (200mw) is still default to be delivered. Please leave a message if you need a high thrust. The default thrust still has a strong backup thrust without any loss of sound quality, but the maximum volume is limited. The following diagram illustrates the maximum thrust.
