BL-9 V1 Amp Input PCB Module - Dual Channel XLR Connector Plate for Pro Audio Amplifiers

The BL-9 Version 1 Input Board is an essential replacement or upgrade part for professional high-power amplifiers. This PCB module manages the incoming audio signal and provides full control over the amplifier’s operational modes. It features robust XLR connectors for secure balanced audio input and output (link), ensuring clean, noise-free signal transmission for touring and club sound systems.

Key Features

• Dual XLR Interface: Includes 2 Female XLR inputs and 2 Male XLR "Link" outputs for daisy-chaining multiple amplifiers.

• Multi-Mode Operation: Built-in sliding switches for BTL (Bridge), PA (Parallel), and ST (Stereo) modes to suit different speaker configurations.

• Sensitivity & Filter Control: Features high-quality toggle switches for selecting input sensitivity (0.77V/1.0V/1.4V) and low-cut filters (30Hz/OFF/150Hz).

• Power Protection: Integrated circuitry for $\pm 15V$ DC power input with dedicated Ground (GND) terminals for low-noise performance.

• Indicator Support: Includes on-board LED headers for visual feedback on mode selection (BTL/PA).

• Vibration Resistant: Specifically designed with reinforced mounting holes and industrial-grade components to survive the high-vibration environment of an amplifier rack.

Technical Specifications

🚚 Fast & Reliable Delivery Across India

We strive to ensure a smooth and quick delivery experience for all our customers.

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  Same-Day Dispatch: All orders are usually dispatched on the same day, with daily cut-off around 4:00 PM IST.
  
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  Delivery Time: You can expect your order to reach you within 4–5 working days, depending on your location.
  
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  Pan India Shipping: We deliver across all cities and villages in India, so no matter where you are, we’ve got you covered.
  
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  Trusted Courier Partners: Your orders are shipped through reliable logistics partners like DTDC and Delhivery to ensure safe and timely delivery.
  

💡 Whether it’s a metro city or a remote village, you don’t need to worry — we make sure your order reaches you securely.

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📩 Email: info@slvsales.in

📞 Call/WhatsApp: +91 98888 24825