2.1 Amplifier Board with LM3886 IC

Description

 LM3886 2.1 Amplifier Board is a high-performance HiFi Class AB audio amplifier designed for powerful stereo and subwoofer applications. Built using original LM3886TF amplifier ICs, this board delivers clean HiFi sound quality for home theater systems, DIY audio projects, and subwoofer amplifier applications. This LM3886 2.1 Amplifier Board delivers clean HiFi audio performance. This amplifier board works efficiently with Toroidal Transformers to deliver clean audio performance, tight bass response, and stable voltage supply for HiFi systems.

⚡ Output Power

• Satellite Channels: 68W RMS x 2 @ 4 Ohms
• Subwoofer Channel: 120W RMS @ 8 Ohms

Powered by the legendary LM3886TF amplifier ICs for clean, detailed, and powerful audio performance.

🎛️ Inbuilt HiFi Pre Amplifier

This board comes with a fully integrated HiFi pre amplifier section featuring:

• Bass Control
• Treble Control
• Subwoofer Frequency Control
• Master Volume Control
• 4th Order Low Pass Filter
• Variable Subwoofer Frequency: 20Hz to 250Hz

No external pre amplifier is required.

🔋 Power Supply

• Works on 20-0-20V AC 15A Transformer
• Inbuilt Rectified Power Supply
• 4 × 10000uF / 50V Capacitors
• Total Capacitance: 40000uF

Designed with heavy filtering for tight bass response and stable performance.

🛡️ Protection Features

• Relay Based DC Speaker Protection
• LED Protection Indication
• Inbuilt Fuse Protection
• Heavy Aluminium Heatsink Support

🔧 Premium Components Used

• Original Texas Instruments TL074 Op-Amps
• Original LM3886TF ICs
• Vishay Components
• 1% MFR Precision Resistors
• Heavy Duty PCB Design

⚙️ Additional Features

• Inbuilt ±15V Regulators for Pre Amplifier Supply
• No Separate Power Supply Required for Pre Amp
• Dedicated 5V Output for Bluetooth Modules
• Potentiometers are Connector Based (Not Directly Mounted on PCB)
• Compatible with Different Cabinet Designs
• Plug & Play Design

📦 Package Includes

• 1 × Complete 2.1 Amplifier Board
• Potentiometers
• Connector Wires & Extensions
• All Required Connectors

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📊 LM3886TF Datasheet Specifications

P_{out}=68W@4\Omega,\quad THD+N<0.03%,\quad SNR>92dB

Features of LM3886 2.1 Amplifier Board

• Output Power: Up to 68W Continuous Average Output
• THD+N: Typically 0.03%
• Signal to Noise Ratio: Greater than 92dB
• Wide Supply Range: Up to ±42V
• High Slew Rate
• Excellent Thermal Protection
• Short Circuit Protection
• Mute Function Support