TPA-3169B DC-12V-24V 2.1 Channel Stereo Subwoofer Amplifier Board 2 x 50W +100W BT Audio Amplifiers Board with subwoofer
   

TPA-3169B DC-12V-24V 2.1 Channel Stereo Subwoofer Amplifier Board 2 x 50W +100W BT Audio Amplifiers Board with subwoofer

Item dimensions L x W x H 13 x 13 x 2.1 Centimeters
Manufacturer UNIQUE INDIA
Maximum Supply Voltage 24 Volts (DC)
Minimum Supply Voltage 12 Volts (DC)
Mounting Type Surface Mount

CA-3169B is a high-efficiency Class-D 2.1 channel digital amplifier board designed for DIY audio projects, home theaters, and car sound systems. It leverages dual TPA3116D2 chips to deliver a combined maximum output of 200W. 

Core Specifications

  • Power Configuration: 2.1 channels consisting of 
     for stereo (left/right) and 
     for the subwoofer.
  • Voltage Range: Operates on DC 12V to 24V; a 24V supply is recommended for peak performance.
  • Audio Inputs: Supports Bluetooth 5.0, 3.5mm AUX, and onboard JST connectors.
  • Efficiency: Rated at up to 90% power efficiency, allowing it to remain relatively cool during operation
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₹950.00
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The TPA-3169B (also sold as the CA-3169B) is a high-performance 2.1 channel Class-D digital amplifier board designed for DIY audio enthusiasts building high-power home theaters or active speaker systems [1, 3].
Core Power & Performance
  • Dual-Chip Power: It uses two TPA3116D2 amplifier chips to drive a total of 200W.
  • Channel Output: It delivers 50W + 50W for the Left/Right stereo channels and a dedicated 100W for a subwoofer.
  • Efficiency: Operates at over 90% power efficiency, meaning it produces very little heat relative to its power output.
  • Connectivity & Control
    • Input Options: Equipped with Bluetooth 5.0 for wireless streaming, a standard 3.5mm AUX jack, and a 3-pin JST connector for internal wiring.
    • Precision Tuning: Features five front-facing knobs (potentiometers) to control:
      • Master Volume
      • Treble (L/R channels)
      • Left/Right Volume
      • Subwoofer Volume
      • Subwoofer Frequency   
      • Key Features
        • Onboard Controls: Features 5 potentiometers for adjusting Master Volume, Treble, Subwoofer Volume, and Subwoofer Frequency (Crossover).
        • Robust Protection: Includes built-in safeguards against short-circuits, over-temperature, and voltage fluctuations.
        • Compact Design: Typically measures around 
          , making it easy to integrate into small enclosures.
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SizeSMLXL
Men 7-10 10-13 13-15 15-17
Women 7-9 10-12 13-14 15-16

Example Shown : SIZE XL, Hem to Hem 84cm OR 33 ,SIZE L, Hem to Hem 84cm OR 33 ,SIZE M, Hem to Hem 84cm OR 33 ,SIZE S, Hem to Hem 84cm OR 33