Features
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1It has two inputs one AUX input which is convenient for traditional wired analog signal input there is also one Bluetooth wireless input which can be easily connected to Bluetooth devices such as mobile phones and computers without being bound by wires and easily enjoy music
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2The highpitched and lowpitched design is adopted so that all frequency bands of the audio source are within an adjustable rangeUsers can enhance or attenuate the high and low frequencies according to their personal preferences until they achieve the best sense of experienceThe 12point position of the high and low tone knob is equivalent to a straightthrough
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3Add the output AUX interface of the active device which can be connected to an active subwoofer or the next active power amplifier device it can bring you the continuity of 2141 channels
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4TIs ultralow distortion highdefinition highpower power amplifier power amplifier chip TPA3255 is used and 5 NE5532 OP amps are used internally Each OP amp is equipped with Taiwan NEXTRON Zhengling precision goldplated IC block to facilitate the replacement of different types of OP amps
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5The Bluetooth part adopts imported Qualcomm QCC304X highquality Bluetooth 52 receiving chip which brings you low latency and supports SBC AAC APTXHD lossless highdefinition sound quality
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6The output power inductor uses Japans Sagami audio commonmode inductor which can better protect the wires loops and coils from the influence of external magnetic fields as well as weaken the interference of electromagnetic fields generated by the circuit to other components The LPF adopts the United States ITW military noninductive melaleuca inductance coupling capacitor and the input coupling capacitor adopts ELNA R2A and Nichicon MUSE Goddess advanced audio new line capacitors with a reasonable design the output treble is clear and bright the bass is powerful and the elasticity is high
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7The OP amp is powered by a 12V dual power supply and the performance of the op amp will be more fully utilized with better dynamics and more details at the same time
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8DC2418V power supplyThe DC seat uses all metal materials with fireproof flowers which is safer to power on DC seat interface 5525MM
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9Protect your beloved speaker without switch on and off impact sound
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10Large heat sinks provide a guarantee for longterm highpower and stable work
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A07 PRO TPA3255 Bluetooth Power Amplifier
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Chipset TPA3255NE5532QCC304X
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Bluetooth Version 52 Bluetooth support 1624bit 44148khz Supported format sbcaacaptxaptxllaptxhd
Replaceable OP amp chips SRT3609SM OPA2604 OPA2314 LM4562 JRC5532 OP275GSZ OPA1612AIDR etc
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Distortion 0002
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Signaltonoise ratio 90dB
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Frequency response bass 12dB treble10dB
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Input sensitivity 084vRms
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Speaker impedance 48?
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Output power 300W24 Ohm
Input mode Bluetooth RCA
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Support audio input devices mobile phones MP3 computers CDs decoders audio preamps etc
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Output mode 20 passive speaker AUX
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LINE OUT Connect the power amplifier or active subwoofer
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Working power supply DC2448V 5A or more
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Packing size 16811432MM
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Package included
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1Pcs A07 PRO TPA3255 Power Amplifier 1Pcs Supply Power strongoptionalstrong