HIFI Preamplifier Sound Audio Amplifier Professional Tone Board Stereo Volume EQ Tone Control Preamp (62281034636)

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Product Overview


Payment Items

1. We accept PayPal, Trade Assurance, MonryGram, Western Union and Bank T/T.

2. Our Quotation includes goods cost, shipping cost and trading charges.

3. The buyers should be responsible for the trading charges.

4. The prices we quoted are correct at this time, but maybe subject to change after few days because of the currency fluctuations and the order quantity.


Shipment Items

E3F-DS50C4 3-Wire Infrared Sensor Photoelectronic Switch Module

1. We can ship the items by DHL, FedEx, TNT, UPS, EMS, Aramex and China Mail Post.

2. We need 1-3 days to process the goods after the payment arrived.

3. We are not responsible for any accidents or delays when goods were picked by logistics company.

4. The buyers should be responsible for the import fees when goods arrived at the destination.

Contact Us


All messages will be answered within 30mins.

If it's out of working time, please be patient, we will reply when we come back to work.

Please feel free to contact us via trademanager or email if you have any questions.


Company Name:  Shenzhen Jiaxinjie Technology Co., Ltd.
Office Address:  Room 1505, Dingcheng Building, Zhonghang Road, Futian District, Shenzhen, China


WeChat id:13528423555
email/skype:webmaster  @cammic.com





Power supply range: Dual AC9-15V (AC) recommended with Dual AC12V with shield power supply


Number of processing channels: two-channel input and output


Input and output interface: standard RCA (2 pairs)


Maximum output voltage after processing: 5 volts


Parametric equalizer frequency: 150hz, 500hz, 2khz, 15khz bass equalizer frequency adjustable: 45-120hz


Equalizer amplitude: +/-12db


Bass frequency: 40-100hz


Input impedance: 15k ohms


Signal to noise ratio: 90db


Total harmonic distortion: 0.05%


Channel separation: 70db


Frequency response: 10hz-50hz, -3db


5-band frequency equalization adjustment


Subwoofer... bass... midrange... vocals... treble


With volume control


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