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Mini CSR8675 Bluetooth Receiver ES9038Q2M USB DAC OTG Stereo Audio Amp APTX-HD

Douk Audio B9 is a stereo Bluetooth 5.0 receiver & USB DAC, the USB interface can be used for 5V power supply and USB input (support phone OTG), plug and play, no need for any driver, can match well with most digital audio devices such as ipod, phone etc
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$99.99
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  • Description
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Warm tips: 
 
1. All outputs can work at the same time, while the volume control only control the volume of 3.5mm jack output, and stereo RCA and coaxial output always with max volume.
 
2. PC-USB supports mobile phones which with OTG function, but Android system needs OTG cable and IOS system needs large current camera kit, please prepare by yourself.
Features 
  • Douk Audio B9 is a stereo Bluetooth 5.0 receiver & USB DAC, the USB interface can be used for 5V power supply and USB input (support phone OTG), plug and play, no need for any driver, can match well with most digital audio devices such as ipod, phone, tablet, computer etc. to provide HiFi lossless music.
  • With analog and digital output. Stereo L/R RCA / 3.5mm AUX outputs, can connect most analog audio devices, 3.5mm output jack also can connect headphones to enjoy music alone. And especially design a coaxial output for audio dac or those active speaker with coaxial input, with a wide range of adaptability.
  • Unique design and high-quality components are used to ensure perfect performance and long time stable work:
Adopting CSR8675 Bluetooth chip, supporting SBC/AAC/APTX/APTX-LL/APTX-HD(24Bit/48KHz)/LDAC(24Bit/96KHz) protocol, achieving much faster and more stable signal transmission
 
Decoding function of CSR8675 is closed, adopting ES9038Q2M high-end chip for independent decoding, high resolution brings much clearer HiFi music. 
 
JRC-5532DD op amp for tone tuning, full of analog style. Pluggable socket design, easy to change other op amp to enjoy different sound styles.
 
Reasonable circuit and concise layout, adding multi-stage power filter circuit to reduce interference and providing pure power supply.
  • DC 5V working voltage, can be powered by phone charger or power bank or computer, also can greatly improve the sound quality for car speakers and avoid the trouble of inserting U-disk or CD when on the road.
  • With volume control and green/white/yellow LED indicator, easy to use and clearly show the working status in real time. Mini size and cool appearance suitable for many usage scenarios, just enjoy HiFi music any time and any where.

Parameters
  • Audio input: Bluetooth 5.0(with priority) / USB
  • Audio output: stereo RCA / 3.5mm AUX / coaxial
  • Bluetooth chip: CSR8675 (support SBC/AAC/APTX/APTX-LL/APTX-HD/LDAC)
  • Decoding chip: ES9038Q2M
  • Headphone impedance: 10-300Ω
  • Sampling rate supported: 24Bit/96KHz
  • SNR: 110dB
  • THD: 0.002%
  • Output voltage amplitude: 5V
  • Op amp: JRC-5532DD
  • Working voltage: DC 5V (type-C interface)
  • Color of indicator: green / white / yellow
  • Dimensions (W*D*H): 85*107*30mm / 3.35*4.21*1.18in
  • Net weight: 215g / 0.47lb
  • Package weight: 300g / 0.66lb

Packing List
  • 1*B9 Bluetooth Receiver
  • 1*Type-C USB Cable
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