Chapter 1. Overview; Overview; Accessory - Sure Electronics TDA7492 User Manual

1.1 Overview

Welcome to use this self-made 2*50W digital control audio amplifier. This product is
well-known for its small size, portable, elegant and its outer casing fully made from
aluminum alloy which makes it tough and durable. As an ideal Class-D audio power
amplifier and integrated with TDA7492 which is currently popular around the world, it not
only provides dream sound but also has high efficiency, thus it can dissipate the heat
after long-time working to ensure that the amplifier can works in a stable condition for
long time.
Besides traditional RCA input jacks, a stereo phone jack is provided to make it much
easier to be used with your second device such as mobile phone or portable players. A
high quality headphone amplifier is also provided at the front panel.
AA-AS32171 integrates a high-quality rotary encoder which employs high-performance
audio processor IC ensuring precise shaft rotation and accurate volume adjustment.
AA-AS32171 supports dual-channel amplification and each channel is rated at 50W.
With built-in MCU, this product can provide input/output auto-override, over/under
voltage protection, low current protection and display LED state.
This product can be powered by any DC power supply ranging from 9 to 24V. You can
use it to drive any 4Ω or 8Ω passive speakers.
FIGURE 1-1 OVERVIEW

1.2 Accessory

Please check carefully the packing box, which contains the things as follows:
• 2 X 50Watt Class D Audio Amplifier - TDA7492
© 2004-2013 Sure Electronics Inc.
2 X 50WATT CLASS D AUDIO

Chapter 1. Overview

AMPLIFIER – TDA7492
USER'S GUIDE
AA-AS32171_Ver1.0_Page 1