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  3. CA-3316A 100W Subwoofer Amplifier TPA3116D2 IC Inbuilt With Volume Control And Frequency Control Pot
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Pricelist: Retail Price (B2C) Pricelist
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CA-3316A 100W Subwoofer Amplifier TPA3116D2 IC Inbuilt With Volume Control And Frequency Control Pot

CA-3316A 100W Subwoofer Amplifier TPA3116D2 IC Inbuilt With Volume Control And Frequency Control Pot

SpecificationDetails
Amplifier ICTPA3116D2 (Class D)
Output Power100W (Mono)
Operating VoltageDC 12V โ€“ 24V
Frequency Range20Hz โ€“ 180Hz (Adjustable)
Efficiency> 90%
ControlsVolume Potentiometer + Frequency Cut-off Pot
Speaker Impedance2 โ€“ 8 Ohms
                                 Price

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โ‚นย 665.25 โ‚นย 665.25
(Tax included)

Barcode: 01201230

Product Description

The CA-3316A stands out by offering onboard potentiometers for both master volume and frequency adjustment. The frequency control allows you to set the "crossover" point, determining exactly which low-end frequencies are sent to your subwoofer. This level of customization ensures that your bass blends perfectly with your main satellite speakers. With a wide voltage input range and Class D efficiency, it generates very little heat even during sustained high-volume playback.

Key Features

  • Dedicated Bass Control: Features a Frequency Control Pot that lets you adjust the low-pass filter, essential for fine-tuning subwoofer response.

  • High-Efficiency TPA3116D2 IC: Delivers high power output with minimal thermal loss, making it suitable for compact enclosures.

  • Wide Compatibility: Works with any DC power source from 12V to 24V, including laptop power adapters and lead-acid batteries.

  • Robust Circuit Protection: Includes built-in safeguards against over-voltage, under-voltage, over-temperature, and short circuits.

  • Easy Integration: Pre-fitted with screw terminals for power and speaker connections, requiring no soldering for basic setup.

Technical Details

  • SNR (Signal to Noise Ratio): 100dB.

  • Dimensions: ~83mm x 55mm x 29mm.

Prototyping and Engineering Tips from Robogears

  • Power Supply Selection: For maximum 100W output, use a 24V 5A power supply. If you use a 12V supply, the power output will be limited to approximately 20-30W.

  • Heat Dissipation: Although Class D is efficient, the onboard heatsink can get hot during continuous high-load operation. Ensure your enclosure has adequate ventilation to prevent thermal throttling.

  • Speaker Matching: To get the most "punch" from this amplifier, use a dedicated subwoofer driver rather than a full-range speaker. Ensure the speaker's wattage rating is at least 20% higher than the amplifier's output to prevent damage.

  • Signal Quality: Use shielded audio cables for the input signal. Because this amplifier handles low frequencies, any 50Hz/60Hz hum from nearby AC power lines can be easily picked up and amplified by the subwoofer.

Package Includes

  • 1 x CA-3316A 100W Subwoofer Amplifier Board

  • 2 x Potentiometer Knobs

Disclaimer

Do not exceed 24V input. Ensure the polarity of the DC power input is correct before switching on the power, as reverse polarity can permanently damage the TPA3116D2 IC.

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