The TPA3110 XH-A232 30W + 30W Stereo Audio Amplifier Module is a compact Class-D digital stereo amplifier based on the Texas Instruments TPA3110D2 amplifier IC. It delivers up to 30W + 30W stereo output, offering high efficiency, low distortion, and excellent sound quality. The onboard aluminum heat sink ensures effective heat dissipation, making it ideal for DIY Bluetooth speakers, home audio systems, multimedia projects, portable speakers, and Arduino audio applications.
Features
- Full Name: TPA3110 XH-A232 30W + 30W Class-D Stereo Audio Amplifier Module
- Based on the Texas Instruments TPA3110D2 amplifier IC
- Stereo 30W + 30W output
- High-efficiency Class-D design
- Low Total Harmonic Distortion (THD)
- Wide DC input voltage range
- Built-in thermal and short-circuit protection
- Large aluminum heat sink for efficient cooling
- Compact PCB design
Specifications
| Specification | Value |
|---|---|
| Product Type | Stereo Audio Amplifier Module |
| Model | XH-A232 |
| Amplifier IC | TPA3110D2 |
| Amplifier Type | Class-D Digital Amplifier |
| Output Power | 30W + 30W (Maximum) |
| Continuous Output Power | Approx. 15W + 15W @ 12V, 4Ω |
| Operating Voltage | 8V – 18V DC |
| Recommended Voltage | 12V – 15V DC |
| Audio Channels | 2 (Stereo) |
| Speaker Impedance | 4Ω – 8Ω |
| Efficiency | Up to 90% |
| Total Harmonic Distortion (THD) | ≤0.1% (Typical) |
| Frequency Response | 20Hz – 20kHz |
| Signal-to-Noise Ratio (SNR) | ≥100 dB |
| Operating Temperature | -20°C to +85°C |
Pin Configuration
| Terminal | Description |
|---|---|
| DC+ | Positive Power Input (8V–18V DC) |
| GND | Power Ground |
| IN-L | Left Audio Input |
| GND | Audio Ground |
| IN-R | Right Audio Input |
| L+ | Left Speaker Positive |
| L− | Left Speaker Negative |
| R+ | Right Speaker Positive |
| R− | Right Speaker Negative |
Note: This module uses BTL (Bridge-Tied Load) outputs, so do not connect any speaker terminal directly to ground.
Applications
- DIY Bluetooth speakers
- Home stereo systems
- Portable speaker projects
- Computer speakers
- TV audio amplifiers
- Arduino and ESP32 audio projects
- Multimedia systems
- Educational electronics
- DIY audio amplifiers
Advantages
- High efficiency (up to 90%)
- Excellent sound quality
- Low heat generation
- Compact and lightweight
- Built-in protection circuits
- Easy installation
- Reliable performance
Size
| Specification | Value |
|---|---|
| PCB Dimensions | Approx. 60 × 60 × 22 mm |
| Mounting Hole Diameter | Approx. 3 mm |
| Weight | Approx. 55 g |
Package Includes
- 1 × TPA3110 XH-A232 30W + 30W Stereo Audio Amplifier Module
Note: For optimum performance, use a 12V–15V regulated DC power supply capable of delivering at least 3A–5A. Pair the module with 4Ω or 8Ω speakers rated appropriately. The maximum advertised 30W + 30W output is achievable under ideal conditions with suitable supply voltage and speaker load. Ensure adequate airflow around the heat sink during prolonged high-volume operation.







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