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HGDO portable Headphone Amplifier portable

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Brand Name
HGDO
Audio Encoding
Stereo
Model Name
D08
Out Power
300mw
Frequency Range (Hz)
90DB
Impedance
16
Signal To Noise Ratio
95DB
Audio Sensitivity
0.006%
Item Size
8*2*8
Item Weight
0.05 kg
Material Type
Zinc alloy
Special Features
Deepen accent, increase the volume
Item Type
Amplifiers
color
Black Brown
life time
10 hours


02 Aug 2017
Thank you

- G****n G.
29 Jul 2017
Perfect

- M*x O.
30 May 2017
Awesome

- G***********a G.

The unit does not have power button, it s in long-time standby mode with automatic load detection function. When the headset is inserted, the unit is powered up and the system automatically boot.  

When the headset is pulled out, the unit automatically shut off.
When the internal battery voltage is less than 2.5V, the protection of system will automatically disconnect the power supply.
The unit is built with high efficiency charge and radiation suppression circuit
 

1、Charge 5 minutes, HIFI 5 hours

2、intelligent switch

3、stereo

4、Deepen the bass

5、Volume expansion

appliance:Mobile phone、MP3/4、Computer。。。

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【Specifications】
 
Item value note
Output power Max: 300mw * 2 / 16Ω FIN = 1KHZ;
Rout = 32Ω;
Pout = 130mw
Vcc = 4.2V
Frequency response 2-27KHZ
SNR 95DB
Dynamic range 90DB
Separation degree
Distortion ≤0.006%
Input impedance 32Ω
Output impedance ≤ 200Ω
Operating temperature -40 ° C to 60 ° C
Storage temperature -40 ° C to 85 ° C
Storage humidity 10% to 90%
Power supply parameter value Remarks
Lithium battery 200mah * (different models are different configuration) for 20 hours
protect the circuit
Battery protection, overcurrent protection, overvoltage protection, short circuit protection
Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf 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 ServiceOn-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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