TDA7498E 2X160W Dual Channel Digital Audio Amplifier Circuit Board

The TDA7498E is a high-performance Class D digital audio amplifier IC that delivers 2x160W output power at 4 ohms, making it ideal for professional audio systems, home theater setups, and portable sound applications. Audio engineers, DIY enthusiasts, and commercial sound system integrators rely on this amplifier module to achieve clean, distortion-free amplification with minimal power consumption and heat dissipation. This circuit board solves the critical challenge of delivering high-fidelity stereo audio amplification in compact form factors while maintaining exceptional efficiency and thermal stability.

Product Overview

The TDA7498E operates on Class D amplification principles, utilizing high-frequency pulse-width modulation (PWM) to achieve superior efficiency compared to traditional linear amplifiers. The IC integrates advanced features including thermal shutdown protection, DC offset detection, and short-circuit protection, ensuring reliable operation under demanding conditions. With a supply voltage range of 8V to 26V, this amplifier accommodates both single-supply and dual-supply configurations, making it versatile for various audio applications. The dual-channel architecture enables true stereo reproduction with independent gain control for each channel, delivering exceptional channel separation and stereo imaging.

What distinguishes the TDA7498E is its exceptional power efficiency and minimal external component requirements. The amplifier achieves up to 90% efficiency, significantly reducing power dissipation and eliminating the need for large heatsinks in most applications. The integrated output filter and protection circuitry minimize PCB layout complexity while maintaining audio quality. The module supports both BTL (Bridge-Tied Load) and stereo configurations, offering flexibility in system design. With a frequency response spanning 20Hz to 20kHz and THD+N typically below 0.1%, this amplifier meets professional audio standards while remaining cost-effective for mass-market applications.

Key Specifications

Specification	Details
Product Type	Class D Digital Audio Amplifier Circuit Board
Primary IC	TDA7498E
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Output Power	2x160W at 4 ohms, 2x100W at 8 ohms
Supply Voltage	8V to 26V DC
Frequency Response	20Hz to 20kHz
THD+N	Less than 0.1% at rated power
Signal-to-Noise Ratio	Greater than 100dB
Power Efficiency	Up to 90%
Protection Features	Thermal shutdown, DC offset detection, short-circuit protection

Key Features

• Dual-Channel Stereo Configuration: Independent amplification for left and right channels with dedicated gain controls, enabling precise audio balance and professional mixing capabilities
• High Power Output: 2x160W at 4 ohms delivers sufficient power for medium to large venue audio systems, home theater installations, and professional PA applications
• Class D Efficiency: 90% power efficiency minimizes heat generation and power consumption, eliminating the need for active cooling in most scenarios
• Comprehensive Protection Circuitry: Integrated thermal shutdown, DC offset detection, and short-circuit protection safeguard the amplifier and connected speakers from damage
• Wide Supply Voltage Range: 8V to 26V operation supports both single-supply and dual-supply configurations, enabling flexible power architecture design
• Low Distortion Performance: THD+N below 0.1% ensures clean, transparent audio reproduction suitable for critical listening and professional audio applications
• Minimal External Components: Integrated output filtering reduces PCB complexity and component count, simplifying design and reducing manufacturing costs

Applications and Use Cases

• Home Theater Systems: Powers surround-sound channels and subwoofer amplification in home cinema setups, delivering immersive audio experiences with compact form factors
• Portable PA Systems: Ideal for mobile DJs, event sound reinforcement, and outdoor entertainment systems where power efficiency and compact size are critical
• Car Audio Amplifiers: Automotive enthusiasts utilize this module in custom car audio installations, leveraging the wide voltage range to accommodate vehicle electrical systems
• Active Speaker Systems: Manufacturers integrate the TDA7498E into powered monitor speakers, studio reference monitors, and professional audio equipment for integrated amplification
• DIY Audio Projects: Electronics hobbyists and makers employ this amplifier in custom speaker designs, audio experiments, and educational projects for learning Class D amplification principles
• Professional Audio Equipment: Sound engineers specify this module in mixing consoles, audio interfaces, and professional amplification systems requiring reliable, efficient stereo amplification

How to Use

Begin by verifying your power supply voltage falls within the 8V to 26V range and provides sufficient current capacity for your desired output power level. Connect the positive and negative power supply terminals to the designated pads on the circuit board, ensuring proper polarity to prevent component damage. For stereo operation, connect your audio signal sources to the left and right input channels via shielded audio cables, maintaining proper grounding to minimize noise pickup. Install appropriate input coupling capacitors if your signal source lacks DC blocking capability. Adjust the gain potentiometers on the module to achieve your desired output level, typically starting at minimum gain and increasing gradually while monitoring for distortion.

Connect your speakers or loads to the output terminals, ensuring impedance matches the amplifier specifications (minimum 4 ohms recommended for optimal performance). For BTL bridged configuration, consult the datasheet for proper connection methodology to achieve maximum power output. Install the circuit board in a location with adequate ventilation, allowing airflow around the IC and any associated heat-dissipating components. Monitor the amplifier during initial operation for proper functionality, checking for thermal stability and verifying output signal quality with an oscilloscope or audio analyzer. Implement proper input signal filtering if operating in electrically noisy environments to maintain signal integrity and minimize interference.

Frequently Asked Questions

What is the maximum continuous output power of the TDA7498E amplifier?

The TDA7498E delivers 2x160W continuous output power into 4-ohm loads at THD+N below 0.1%. When driving 8-ohm loads, output power reduces to approximately 2x100W. Power output scales with supply voltage, with maximum ratings achieved at 26V supply. For BTL bridged mono operation, single-channel power output reaches 320W into 8 ohms, making it suitable for subwoofer amplification applications.

Can the TDA7498E operate from a single 12V power supply?

Yes, the TDA7498E operates reliably from single 12V supplies, though output power will be reduced compared to higher voltage supplies. At 12V, expect approximately 2x50W output into 4 ohms. For automotive applications, this voltage range is ideal as it matches standard vehicle electrical systems. Ensure your power supply includes adequate filtering and decoupling capacitors to maintain clean supply rails and minimize noise injection into the audio signal path.

What protection mechanisms does this amplifier include?

The TDA7498E incorporates multiple protection features including thermal shutdown that disables the amplifier when junction temperature exceeds safe limits, DC offset detection that prevents speaker damage from DC voltage, and short-circuit protection that limits output current during load faults. These integrated protections eliminate the need for external protective circuitry in most applications, simplifying design while ensuring component and speaker longevity.

What is the minimum speaker impedance this amplifier can safely drive?

The TDA7498E is rated for minimum 4-ohm loads in stereo configuration. Operating below this impedance increases output current beyond design specifications, potentially triggering short-circuit protection or causing component stress. For applications requiring lower impedance driving capability, consider using the BTL bridged configuration which effectively doubles impedance seen by each output stage.

How does Class D amplification differ from traditional Class AB amplifiers?

Class D amplifiers use high-frequency pulse-width modulation to achieve superior efficiency, typically 85-95% compared to 50-70% for Class AB designs. This efficiency translates to lower power consumption, reduced heat generation, and smaller heatsink requirements. While Class D amplifiers require output filtering to remove high-frequency switching components, modern designs like the TDA7498E integrate these filters on-chip, delivering audio quality comparable to Class AB amplifiers at a fraction of the power dissipation.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy TDA7498E 2X160W Dual Channel Digital Audio Amplifier Circuit Board Online in India

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