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US$79.99

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PJ.MIAOLAI A2 ESS9023 Bluetooth 5.0 HIFI Lossless 6N3 Vacuum Tube Preamp Amplifier DAC

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                  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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