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CA-3316A 100W SUB + FREQUENCY
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Audio IC: TPA3116D2 (Class D)Output Power: Up to 100W (Mono) into a 2 to 8-ohm loadOperating Voltage: DC 12V – 24V (recommended ≥ 19V/5A for peak subwoofers)Frequency Response: 20Hz – 180Hz (Adjustable crossover)Efficiency: > 90% Power Supply: Use a clean DC power supply (such as a 19V or 24V laptop adapter). Avoid AC transformers. Higher voltage and current directly translate to stronger bass.Connections: Connect your DC source to the power terminals, hook up your subwoofer to the speaker output, and connect an audio source (from a phone, PC, or another 2.0 pre-amp) to the audio input.Onboard Controls: Utilize the two potentiometers. One sets the volume/gain, and the other adjusts the crossover frequency (cutting out higher frequencies, leaving only punchy, deep bass).