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Description
Little Dot Mini 4 mini-combination HiFi Headphone Amplifier Decoder AK4493 DSD256 PCM384KHz/32Bit hifi amp decoder
In order to flexibly match the customer's existing equipment, MINI4 units (except the power supply) can be purchased separately:
Two-piece suit:Power + any unitThree-piece suit:Power + any two unitsFour-piece set:That is, the complete set of "MINI4 combination"Please communicate with the customer service about the required units. In addition, the chassis of this machine has a difference between silver and black. Please tell us together or make a note in the message.DP_4 streaming media playerDA_4 fully balanced decoderAM_4 Pure Class A Fully Discrete Fully Symmetrical Headphone AmplifierPO4 dual configuration power supply unit
Forge aheadComing for MiniMusic should not be restricted by age, region, or living environment. It is only for a group of people throughout his life. He is constantly optimizing and improving for the sound friends. He only develops this mini-combination sound, which can be placed at will, no longer affected by the scene, The constraints of the living environment.
DP4 streaming media playerRaspberry Pi 4B platform + AK4137 designRaspberry Pi 4B platform, quad-core 1.5GHz64-bit ARM Cortex-A72CPU, super processing power; SRC AK4137 design, can be arbitrarily converted between PCM-DSD; Jitter extremely small clock recovery circuit , So that the clock of streaming media playback reaches a very stable level.DA_4 fully balanced decoderDelicate notes touch every cellAK4493 decoding chip,This is a 123dB 768kHz/32-bit 2ch Premium DAC chip, and it is also a cost-effective chip in the 449X series, allowing you to sound on the scene.AM_4 Pure Class AFully discrete fully symmetrical ampPure Class A, fully discrete (all circuits constructed with transistors), fully symmetrical circuit construction of the amp; better than asymmetrical circuit transient response, lower crossover distortion, every detail is full, rich and clear.PO4 power supply unitIndependent power supply, dual configuration optionalConfiguration 1: Pure DC battery configuration, using 12V 21Ah large-capacity lithium battery as power source, 8-10 hours long battery life, and the power supply environment is pure and interference-free;Configuration 2: AC adapter power supply, linear large-capacity loop power supply, and large dynamic voltage stabilization with PO_4, which is cleaner than switching power supply mode.Product parametersProduct name: Mini_4Product size: 160*100*40mm (each unit)
Unstop music, unlimited sourcesDSD256 and backward compatibleMusic files can be accessed through SD card, mobile hard disk, WIFI, wired network, Bluetooth, etc., which greatly improves the convenience and compatibility of use.
DA_4 decoderInput portCoaxial: COAX PCM SPDIF inputl2S: Support PCM/DSD/DOPBluetooth: Qualcomm CSR8675 Bluetooth 5.0Output port4.4: Five-core balanced outputRCAA: unbalanced outputSupport formatPCM: 44.1/48/88.4/96/176.4/192/352.8/384 KHz 16/32-bitDSD: DSD64/DSD128/DSD256 (2.8224-22.5792MHz)Bluetooth port SBC/AAC/APTX/LDACAM_4 fully balanced ampInput port:Same balance: 4.4 five-core socketUnbalanced: Dual RCA socketsOutput port:Balance: 4.4 five-pin socketUnbalanced: 6.35mm three-pin socketFrequency response: 5Hz-100KHz (-1dB)Distortion: -100dB (output: 2V rms 1000Hz)Output power: 1WDP_4 streaming media playerComputing platform: Raspberry Pi 4BInput port: WIFI/Ethernet/USB2.0/USB3.0Output port: 1S/coaxial/optical fiberSupport format: DSD/DSF/DIFF/ISO/PCM/FLAC/ALAC/WAV/AIFF/AAC/PM3, etc.Sampling Rate:PCM: 44.1KHz-384KHz, 16-32bitDSD: 2.8MHz-11.2MHz, 1bitPO_4 linear power supplyAC adapter: 220V AC socket with switchRegulated input: 12V dual-core aviation socket *1Stabilized output: DC 5V (total current 6A) socket *3Lithium battery capacity: 12V21AhAC power consumption: 35VA
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