ZK-PRO2 Hi-Fi Preamp Tone Board 2.1Ch Subwoofer Bluetooth Decoder QCC3034+ES9023

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    Product Introduction

    Features:
    1. Utilizes QCC3034 + ES9023 combination, supporting high-definition lossless Bluetooth decoding transmission.
    2. Built-in isolated power supply design effectively prevents amplifier interference and crosstalk issues.
    3. Supports 2.1-channel output with dual subwoofer ports for enhanced expandability.
    4. Features genuine TI NE5532 op-amps, compatible with DIP8 packaging for easy upgrades.
    5. Bluetooth supports APTX-HD protocol with stable wireless audio transmission up to 15 meters.
     
    Specifications:
    Product Name: ZK-PRO2 Preamp Tone Board
    Input Voltage: DC 12-26V (AC input prohibited)
    Operating Current: 28mA
    Bluetooth Codecs: SBC/AAC/APTX/APTX-HD
    Inputs: Bluetooth + AUX
    Audio Input Interface: 3.5mm audio female jack
    Bluetooth Range: 15 meters
    Audio Output Interfaces: Left/Right stereo channels, Subwoofer 1, Subwoofer 2. Three XH2.54-3P terminals compatible with pure power amplifiers like ZK-1602 or ZK-3002. Includes two complimentary 3P dual-ended audio cables.
    Op-amp chips: Six genuine TI NE5532
    Potentiometers: Dual 50K potentiometers with 6mm hex knobs; 23.5mm potentiometer spacing
    Dimensions: 120x73x19.6mm

    Applications: Connects to pure rear amplifiers like ZK-1602, ZK-3002 for use in home living rooms, media rooms, car audio systems, or home theater setups.
     
    Product List:
    1X Preamp Tone Board (knob caps require self-installation)
    2X 3P dual-ended audio cables
    • 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.
    ZK-PRO2 Hi-Fi Preamp Tone Board 2.1Ch Subwoofer Bluetooth Decoder QCC3034+ES9023

    Product Introduction

    Features:
    1. Utilizes QCC3034 + ES9023 combination, supporting high-definition lossless Bluetooth decoding transmission.
    2. Built-in isolated power supply design effectively prevents amplifier interference and crosstalk issues.
    3. Supports 2.1-channel output with dual subwoofer ports for enhanced expandability.
    4. Features genuine TI NE5532 op-amps, compatible with DIP8 packaging for easy upgrades.
    5. Bluetooth supports APTX-HD protocol with stable wireless audio transmission up to 15 meters.
     
    Specifications:
    Product Name: ZK-PRO2 Preamp Tone Board
    Input Voltage: DC 12-26V (AC input prohibited)
    Operating Current: 28mA
    Bluetooth Codecs: SBC/AAC/APTX/APTX-HD
    Inputs: Bluetooth + AUX
    Audio Input Interface: 3.5mm audio female jack
    Bluetooth Range: 15 meters
    Audio Output Interfaces: Left/Right stereo channels, Subwoofer 1, Subwoofer 2. Three XH2.54-3P terminals compatible with pure power amplifiers like ZK-1602 or ZK-3002. Includes two complimentary 3P dual-ended audio cables.
    Op-amp chips: Six genuine TI NE5532
    Potentiometers: Dual 50K potentiometers with 6mm hex knobs; 23.5mm potentiometer spacing
    Dimensions: 120x73x19.6mm

    Applications: Connects to pure rear amplifiers like ZK-1602, ZK-3002 for use in home living rooms, media rooms, car audio systems, or home theater setups.
     
    Product List:
    1X Preamp Tone Board (knob caps require self-installation)
    2X 3P dual-ended audio cables
    • 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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