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• YS Audio APP obtain link: Note! It must be assembled by means of yourself, and the fabric kit is given a screwdriver The suitable energy delivery of the product is DC energy supply, and AC power delivery isn't allowed! The colour of the product could also be slightly different from the picture due to the differences of light, perspective and capturing equipment The product length is measured manually Please allow slight deviation in the dimension information and make certain you don&;t intellect Product parameters Brand: YS Audio Product Name: 2 channel BT power amplifier Product Model: YS-AS21 Amplify Chip: TPA3251 Channels: 2 channel (left channel + appropriate channel + subwoofer) Audio Enter: AUX + BT + USB disk + USB Sound Card BT Version: five Switching Mode: Mechanical switch(without lengthy press and wait) Adaptive Power supply: DC16~38 V ,≥10A Adapter Speaker: L&R channels 30-220W,3-8Ω Subwoofer 30-350W,2-8Ω Output power: R&L channel≤220W, subwoofer≤350W Protection Mechanism: Protection against opposite connection, undervoltage, overheating, overcurrent and brief circuit (automatic restoration without restart) Voltage gain: 30dB Product Size: 141*131*27mm Product Weight: about 346g Package Weight: about 408g Tip: when the audio sign input is giant enough and the power supply voltage / current is large enough, there might be enough output power! The higher the power supply voltage, the larger the output power, the smaller the speaker impedance, and the bigger the output power! Please ensure that the power of the adaptive strength supply is larger than the actual working power of the energy amplifier! Product Introduction There is a transparent contrast between the power input terminal and the speaker wiring terminal to forestall the speaker from being related to the power terminal and burning the speaker Product Features: 1 product is designed with two Texas Instruments tpa3251 power amplifier chips, with ultra-low distortion and high-definition sound quality 2 audio inputT modes, BT + TO + USB flash disk + USB Sound card three energy enter terminal will probably be obviously outstanding from the speaker wiring terminal to stop the speaker from being related to the flexibility terminal and burning the speaker 4 volume knob, flip the knob to change the machine on and off, no use to press and wait to see the indicator light True stepless tuning 5 low-noise preamplifiers 5532, with broad acquire and improved sound quality and quantity 6 tin spraying design of wiring opening window and the tin spraying design of wiring opening window on the back of naked board expand the output power 7 YS Audio APP, APP comes with situational music, assist to switch BT name, set BT password, immediate tone, volume adjustment / switch immediate tone, Lullaby + timed shutdown, sound effect adjustment, support to customize 10 sound effects, which might be adjusted arbitrarily flash disk, song selection, playlist Simple appearance with out exaggeration The voice of YS Audio brand is born for song fever It has uncomplicated appearance, high-definition sound quality and excessive constancy Lullaby song permits you to come to nature, aid you sleep, decompress and heal your physique and mind Wuzhi Audio APP has the operate of standard shutdown 10 natural sounds are Sound bowl, Stream, Wave, Sea wave, Thunderstorm, Bird song, Cry of insects, Frogs, Bonfire, Guqin, up to 1023 sound mixtures 10 styles of pure sounds create unique pure sound scenes, create a natural atmosphere, quickly calm your mood and notice deep sleep Change BT name: The BT name of every product can be changed, and multiple merchandise could be smoothly identified Change BT password: The BT connection password would be modified to forestall others from hijacking This function can be turned off Adjust the amount of prompt tone: The quantity of immediate tone would be adjusted to satisfy diversified wishes of shoppers ON / OFF immediate tone: The immediate tone would be turned on or off USB flash disk playlist function: Open the playlist of USB flash disk, choose track at will, and support shaking to change songs YS Audio APP has popular, classical, jazz, country, natural, rock and different sound effects It helps tradition 10 section sound effects and arbitrary adjustment to make up for deficiencies, in order that diverse audio system can obtain larger sound effects BT name modification steps: [enter a brand new BT name] → [click set button] → [system computerized restart] → [cancel pairing of cellular BT with the unique BT name] → [find a new BT name and re pair] BT password environment steps: Method 1: [turn on BT password switch]→Use default password 1111 Method 2: [turn on BT password switch] → [enter password] → [click the surroundings button] → [the formula will restart automatically] → [cancel pairing, and you'll be precipitated to go into password when connecting again]

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