TPA3110 30W Mono Class D Digital Audio Amplifier Board Module

TPA3110 30W Mono Class D Digital Audio Amplifier Board

Built around Texas Instruments' TPA3110 IC, this compact Class D mono amplifier board delivers up to 30W of clean audio output with high efficiency and minimal heat generation. Its switching amplifier topology means less power wasted as heat compared to traditional Class AB designs — making it ideal for portable speakers, DIY audio projects, and embedded audio systems.

Key Features

• Based on TI TPA3110 Class D amplifier IC
• 30W maximum output power (mono)
• High efficiency: up to 90% — runs cool without a heatsink
• Wide supply voltage range: 8V – 26V DC
• Dual onboard inductors for stable switching operation
• High-capacity 330µF / 25V filter capacitors for clean output
• Solder pad connections for power input and speaker output
• Mounting holes for easy chassis or enclosure installation
• Compact square PCB — easy to integrate in tight spaces

Specifications

• Amplifier IC: Texas Instruments TPA3110
• Topology: Class D (switching)
• Output Power: Up to 30W (mono)
• Supply Voltage: 8V – 26V DC
• Efficiency: Up to 90%
• Output: Mono speaker output
• Capacitors: 330µF / 25V (x4)
• Inductors: 10µH (x2)

Pin Description

• POWER +/- – DC power input (8V–26V)
• IN +/- – Audio signal input
• OUT +/- – Speaker output

Applications

• DIY portable and desktop speakers
• Home audio amplifier projects
• Embedded audio systems
• Arduino / Raspberry Pi audio output stage
• Battery-powered audio devices