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Original Mini 8-25V Digital HiFi Stereo 2.0 Power Amplifier Home Audio Amplifier 50W X 2

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Price:  US $32 / piece
Sale Price:  US $ 27.13 / piece
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Descriptions:
New TI TPA3116D2 power amplifier chip as the core, strengthen the use of materials, with high bass adjustment, wide working voltage DC 8-25V single power supply, 50W (left) +50W (right) dual channel output, efficiency of 90%. Switch power supply, notebook computer switch power supply, battery or on-board power supply can be used.


Features:
Using red ring output inductance, low output loss, more pure color
All aluminum alloy body, gold-plated RCA and crystal speaker terminals, exquisite appearance
The German MKP Weimaraner input, overtone rich
Adopt high speed capacitance array, low internal resistance, dynamic swift and violent
Plated RCA port output, Taiwan imported sealed potentiometer, heavy aluminum alloy heat dissipation


Power supply range: 8-25V
To verify that the power supply has good quality (mainly supply ripple), clutter large power supply itself will cause noise obviously, the supply voltage can be in 12-24V, but the low voltage power output is low, voice is small.


Specifications:
Operating current: 8-25V
Power: 0-50w (left + right)
Power socket: DC 5.5 X 2.1mm
Size: about 91 X 36 X 108mm/3.58 X 1.42 X 4.25"
Net weight: about 335g
Gross weight: about 370g


Warm prompts:
Sufficient input power is provided when the audio input is sufficient and the supply voltage / current is sufficient. The power supply voltage is higher, the relative power will be greater, and different impedance speakers will have different output power. In the case of sufficient voltage and current, the greater the horn number, the smaller the relative sound power, please note!


Power supply voltage:
12V: 8Ωspeaker /12W (left channel) + 12W (right channel)
       4Ω speaker /20W (left track) + 20W (left channel)
15V: 8Ω /18 + 18W, 4Ω / greater than 30 + 30W
19V: 8Ω /32 + 32W, 4Ω / greater than 45 + 45W
24V: 8Ω /38 + 38W, 4Ω / greater than 55 + 55W
The signal line is used to transmit weak small signals, and small signals are more susceptible to interference.
The normal signal line is that you need a shield, and you have tried the best possible signal cable.


Signal source:

Mobile phones and computers are commonly used.
The quality of audio signals produced by mobile phones and computers based on different brand models is also different.
The method of judging the noise source: do not plug in the input signal, turn the amplifier up, listen to the sound in the loudspeaker. If there is no noise, the noise comes from the sound source or signal line.


Notes:
1. Do not use without cheap audio signal line shielding, will introduce the high frequency noise, the greater the potentiometer to rotate followed by larger noise.
2. The order of use is: first, the notebook power and power amplifier interface is connected, and then let the notebook power on the city power. If you connect the laptop power to the mains, then plug the laptop plug into the digital amplifier, because the digital amplifier has a filter capacitor charging, which produces a slight low voltage spark for 0.1 seconds
3. The use of 19V power supply than the 12V power supply, low-frequency powerful, power is also large. (low quality difference between 19V and 12V)

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UPS Expedited 3 - 7 days
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Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  US $32 / piece
Sale Price:  US $ 27.13 / piece
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