Overview
The CA3169 / TPA3116D2 2.1 Channel Digital Amplifier is a professional-grade audio module designed for high-performance sound systems. It utilizes dual-chip technology to deliver a massive 200W Total Output: 100W dedicated to a heavy-duty subwoofer and 50W each for left and right satellite speakers. This board is the perfect solution for users looking to build a high-fidelity home theater or a high-power portable Bluetooth “Boombox” with independent bass and treble controls.
Key Features
Dual Chip Architecture: Uses the TPA3116D2 Class D core for high efficiency (>90%) and the CA3169 power management logic for reliable operation.
5-Knob Audiophile Tuning: Features high-quality potentiometers for Master Volume, Subwoofer Frequency, Subwoofer Volume, Stereo Treble, and Stereo Bass.
Bluetooth 5.0 + AUX Input: Supports seamless wireless streaming with a 10-meter range, plus a 3.5mm jack for wired connections.
Heavy-Duty Thermal Management: Equipped with an oversized aluminum heatsink to ensure the chips remain cool during sustained high-volume playback.
Low-Noise Design: Uses high-frequency shielded inductors and a massive filter capacitor to eliminate hum and interference.
Technical Specifications
| Feature | Specification |
| Model/Chipset | CA3169 / Dual TPA3116D2 |
| Output Configuration | 2.1 Channel (Stereo + Subwoofer) |
| Max Power Output | 50W + 50W (Stereo) + 100W (Subwoofer) |
| Supply Voltage | DC 12V to 24V (Recommended 24V 5A) |
| Bluetooth Version | 5.0 |
| Speaker Impedance | 4Ω to 8Ω |
| Frequency Response | 20Hz – 20KHz |
Control Panel Guide (The 5 Knobs)
Total Volume: Adjusts the loudness of all 3 speakers simultaneously.
Stereo Treble: Fine-tunes the high-frequency clarity of the L/R speakers.
Stereo Bass: Enhances the mid-bass punch of the L/R speakers.
Subwoofer Frequency: Adjusts the “cut-off” point (e.g., 20Hz – 200Hz) for the subwoofer.
Subwoofer Volume: Independently controls the loudness of the deep bass output.

Reviews
Clear filtersThere are no reviews yet.