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

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ID: 1445597
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                    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

                    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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