Dual-channel Stereo Audio Signal Preamplifier Headphone Amplifier Board DIY Home

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    Product Introduction

    Product features:
    1. When your device connected to the amplifier sound hours can use this circuit, suitable for audio small signal amplification
    2. Low distortion, low voltage, low power consumption of high-fidelity preamp headphone amplifier board
    3. Built-in negative voltage conversion chip, the actual power supply is ± DC, the amplification is about 8 times
    4. The chip is MC33202, rail-to-rail dual op-amp, maximum drive current 80ma
    5. Input and output with 3.5 and lotus two kinds of interfaces, according to the need to use one of the two interfaces is to facilitate the adaptation of different occasions
     
    Product parameters:
    Chip: MC33202
    Supply voltage: DC 3-5V (maximum can not exceed 5.5V, built-in negative voltage conversion chip, the actual power supply for ± DC)
    Maximum drive current: 80ma
    Rail-to-rail dual op-amp
    Amplification: about 8 times (18db)
    Circuit board size: 8.3*4.8cm
    Input and output with 3.5 headphone seat and Lotus two kinds of interface, according to the need to use one of them can be two kinds of interface is to facilitate everyone to adapt to different occasions, can 3.5 headphone seat into 3.5 headphone seat out; Lotus seat into Lotus seat out; 3.5 headphone seat into Lotus seat out; Lotus seat into 3.5 headphone seat out.
     
    Attention:
    Audio circuit to the power supply requirements are relatively high, please use low ripple power supply, power supply is not good easy to produce AC sound, audio connection line to use shielded wire.
     
    Product list:
    1X module
    • We accept PayPal only. But we only Accept your Ebay Address,Please Make sure it's 100% right.
    • Payment must be received in 5 business days of auction closing.
    • Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
    • Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.
    • We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
    • All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can't take a refund.
    • If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
    • If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
    Dual-channel Stereo Audio Signal Preamplifier Headphone Amplifier Board DIY Home

    Product Introduction

    Product features:
    1. When your device connected to the amplifier sound hours can use this circuit, suitable for audio small signal amplification
    2. Low distortion, low voltage, low power consumption of high-fidelity preamp headphone amplifier board
    3. Built-in negative voltage conversion chip, the actual power supply is ± DC, the amplification is about 8 times
    4. The chip is MC33202, rail-to-rail dual op-amp, maximum drive current 80ma
    5. Input and output with 3.5 and lotus two kinds of interfaces, according to the need to use one of the two interfaces is to facilitate the adaptation of different occasions
     
    Product parameters:
    Chip: MC33202
    Supply voltage: DC 3-5V (maximum can not exceed 5.5V, built-in negative voltage conversion chip, the actual power supply for ± DC)
    Maximum drive current: 80ma
    Rail-to-rail dual op-amp
    Amplification: about 8 times (18db)
    Circuit board size: 8.3*4.8cm
    Input and output with 3.5 headphone seat and Lotus two kinds of interface, according to the need to use one of them can be two kinds of interface is to facilitate everyone to adapt to different occasions, can 3.5 headphone seat into 3.5 headphone seat out; Lotus seat into Lotus seat out; 3.5 headphone seat into Lotus seat out; Lotus seat into 3.5 headphone seat out.
     
    Attention:
    Audio circuit to the power supply requirements are relatively high, please use low ripple power supply, power supply is not good easy to produce AC sound, audio connection line to use shielded wire.
     
    Product list:
    1X module
    • We accept PayPal only. But we only Accept your Ebay Address,Please Make sure it's 100% right.
    • Payment must be received in 5 business days of auction closing.
    • Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
    • Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.
    • We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
    • All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can't take a refund.
    • If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
    • If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.

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