PJ.MIAOLAI A2 ESS9023 bluetooth 5.0 HIFI Lossless 6N3 Vacuum Tube Preamp Amplifier DAC - Black EU

Price : US$79.99
Promo:Free Shipping on orders over US$49.99.
Shipping : In stock. Processing time:1-3 business days Shipping time:7-15 business days
Return Policy :Return Policy:30-day refund or replacementYou can return this product within 30 days after delivery to receive a replacement or a refund.

https://usa.banggood.com/custlink/KGDKN6E90m




Features:

Various audio input: can be connect to PC directly as a high-grade USB external sound card, and can be wired to CD player, lossless audio source, and can wirelessly connect to smart phone by bluetooth, very convenient   
Excellent sound quality: using classic 6N3 tube, warm and charming tone, very balanced, clear and delicate sound, dynamically   
With Treble and Bass Function: users can adjust freely according to different parameters of their own speaker device to achieve ideal HiFi sound quality   
High-end Material   
bluetooth 5.0 module using QCC3003 chip supporting A2DP, AVRCP, HFP, AAC, 12S and so on. 16M SPI FLASH storage chip, lossless decoding transmission with farther distance, more stable speed   
bluetooth decoding using the latest US ES9023, Hyperstream architecture and time-domain jitter cancellation technology enable jitter-free recording quality with a dynamic range of 112 decibels   
USB sound card using BB PCM2704, the sound quality output is warm and the sound field is open   
Audio Input: USB-PC / 3.5mm Stereo / Wireless bluetooth 5.0   
Audio Output: RCA   
Power Supply: DC 12V (adapter is equipped and global universal)   
bluetooth Chip: QCC3003+ES9023   
USB Chip: US BB PCM2704   
PCM2704 Parameters   
Distortion: THD + N: 0.006% (RL > 10kΩ)   
Distortion: THD + N: 0.025% (RL = 32Ω)   
SNR: 99 decibels   
Dynamic range: 99 dB   
Support sampling rate: 16Bit 32k, 44.1k, 48k   
Dimensions: 138 x 116 x 32mm
   

Notice:
The vacuum tube needs 5-7 seconds to warm up
Choose audio input by hand. Clockwise rotation to switch different kinds of input signal, the order is bluetooth - USB PC - AUX   
   
Package Included:

1 x PJ.MIAOLAI A2 HiFi Tube Pre-amplifier   
1 x Power Supply   
2 x 6N3 Tube   
1 x bluetooth Antenna   
1 x USB Cable















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