XH-M510 TDA7498 DC14-32V High Power Digital Power Amplifier Board

The XH-M510 is a high-performance digital power amplifier board built around the TDA7498 integrated circuit, delivering up to 100W of stereo audio amplification at 4 ohms with exceptional efficiency and minimal distortion. Professional audio engineers, DIY enthusiasts, and embedded systems developers rely on this board to amplify audio signals in home theater systems, active speaker designs, automotive audio installations, and robotics projects where compact form factor and high power output are critical requirements. This amplifier solves the challenge of driving speakers with clean, distortion-free audio from low-level line-level signals while operating efficiently across a wide DC supply voltage range of 14V to 32V.

Product Overview

The XH-M510 TDA7498 amplifier board utilizes the Philips TDA7498 Class D amplifier IC, which employs pulse-width modulation technology to achieve superior power efficiency compared to traditional Class AB amplifiers. Class D amplification converts analog audio signals into high-frequency PWM signals that drive the output MOSFETs with minimal power dissipation, allowing the board to deliver substantial output power without requiring large heat sinks. The TDA7498 integrates comprehensive protection circuitry including thermal shutdown, DC offset detection, and short-circuit protection, making it ideal for applications where reliability and durability are non-negotiable.

This amplifier board features a dual-channel stereo configuration with independent gain controls for each channel, allowing precise volume balancing between left and right speakers. The wide input impedance and low noise floor make it compatible with various audio sources including microphones, line-level preamps, and digital-to-analog converters. The board's compact PCB design measures approximately 80mm x 50mm, making it suitable for integration into space-constrained enclosures such as portable amplifiers, vehicle audio systems, and embedded multimedia applications. The generous DC supply voltage range of 14V to 32V provides flexibility for different power supply configurations, from automotive 24V systems to laboratory bench supplies.

Key Specifications

Specification	Details
Product Type	Class D Digital Power Amplifier Board
Amplifier IC	TDA7498 Philips
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	100W stereo at 4 ohms, 50W stereo at 8 ohms
Supply Voltage Range	DC 14V to 32V
Audio Input	RCA connectors, 3.5mm aux jack compatible
Frequency Response	20Hz to 20kHz at -3dB
Total Harmonic Distortion	Less than 0.1% at rated output
PCB Dimensions	Approximately 80mm x 50mm x 20mm

Key Features

• High Power Output: 100W stereo at 4 ohms impedance, enabling powerful speaker drive capability for medium to large room audio applications
• Class D Efficiency: Pulse-width modulation technology achieves 85-90% power efficiency, reducing heat generation and power supply requirements compared to analog amplifiers
• Wide Supply Voltage Range: Operates from DC 14V to 32V, compatible with automotive systems, industrial power supplies, and multiple battery configurations
• Comprehensive Protection: Integrated thermal shutdown, DC offset protection, and short-circuit detection safeguard both the amplifier and connected speakers from damage
• Dual Independent Channels: Stereo configuration with separate volume controls for each channel, enabling precise audio balance and mixing capabilities
• Low Distortion Performance: Total harmonic distortion below 0.1% at rated output ensures clean, high-fidelity audio reproduction without audible artifacts
• Compact Form Factor: 80mm x 50mm PCB design facilitates integration into portable amplifiers, vehicle audio systems, and space-limited enclosures
• Easy Integration: Standard RCA and 3.5mm audio connectors with straightforward power supply connections simplify installation in custom audio projects

Applications and Use Cases

• Home Theater and Multimedia Systems: Amplify audio from receivers, soundbars, and media players to drive surround speakers and subwoofers with clean, powerful output suitable for cinematic experiences
• Active Speaker Design: Integrate into powered speaker enclosures for portable PA systems, studio monitors, and professional audio installations requiring embedded amplification
• Automotive Audio Upgrades: Power aftermarket car speakers and subwoofers with the board's automotive-rated 24V supply compatibility, enabling high-quality in-vehicle entertainment systems
• Robotics and Embedded Projects: Drive audio outputs for robotic systems, interactive installations, and IoT devices requiring integrated amplification with minimal power consumption
• Portable Amplifier Construction: Build battery-powered amplifiers for outdoor events, busking, and field recording applications utilizing the wide voltage range and compact dimensions
• Guitar and Musical Instrument Amplification: Amplify electric guitar, keyboard, and synthesizer outputs for practice, performance, and recording studio applications

How to Use

To set up the XH-M510 amplifier board, first ensure your power supply can deliver the required current at your chosen voltage between 14V and 32V. Connect the positive and negative power supply terminals to the board's power input connectors, observing correct polarity to prevent damage to the amplifier IC and protection circuits. Connect your audio source such as a preamp, mixer, or line-level output to the RCA input connectors or 3.5mm aux jack, ensuring the audio cables are shielded to minimize electromagnetic interference and maintain signal clarity.

Mount the amplifier board securely within your enclosure, ensuring adequate ventilation around the output MOSFETs and the TDA7498 IC, as these components generate heat during operation. Connect your speakers to the output terminals, matching the impedance to your design specifications for optimal power delivery and protection. Adjust the volume controls on each channel to achieve balanced output levels before connecting to your speakers. Allow the amplifier to warm up for several minutes before operating at maximum volume, and monitor the board for any unusual heat generation or audible distortion that might indicate a connection issue or incompatible speaker impedance.

Frequently Asked Questions

What is the maximum output power of the XH-M510 amplifier board?

The XH-M510 delivers 100W of stereo power at 4 ohms impedance and 50W stereo at 8 ohms impedance when supplied with adequate DC voltage between 14V and 32V. The actual output power varies with supply voltage, with higher voltages producing maximum power output. Always ensure your speakers can handle the amplifier's output power to prevent speaker damage and maintain audio quality.

Can I use the XH-M510 in my car audio system?

Yes, the XH-M510 is ideal for automotive applications. Most vehicles provide 12V to 14.4V from the battery and alternator, which falls within the amplifier's 14V to 32V operating range. You may need to upgrade your vehicle's power supply or use a DC-DC converter for optimal performance. Ensure proper grounding to the vehicle chassis and use appropriately sized power cables to handle the high current draw at maximum output.

What speaker impedance should I use with this amplifier?

The XH-M510 TDA7498 is rated for 4 ohms and 8 ohms speaker impedance. Using 4 ohm speakers will deliver maximum power output of 100W stereo, while 8 ohm speakers will produce 50W stereo. Do not use speakers below 4 ohms impedance as this may exceed the amplifier's current limits and trigger protection circuits. For stereo operation, you can connect one 4 ohm or 8 ohm speaker to each channel, or parallel multiple speakers as long as the total impedance per channel does not fall below 4 ohms.

Does the XH-M510 require a heat sink?

The XH-M510's Class D amplifier design is highly efficient and generates minimal heat compared to Class AB amplifiers. However, for continuous operation at high power levels, mounting the board on a small aluminum heat sink or ensuring adequate ventilation within your enclosure will extend component lifespan and maintain consistent performance. The output MOSFETs are the primary heat sources and benefit most from thermal management in demanding applications.

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 XH-M510 TDA7498 DC14-32V High Power Digital Power Amplifier Board Online in India

Purchase the XH-M510 TDA7498 DC14-32V High Power Digital Power Amplifier Board online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on XH-M510 TDA7498 DC14-32V High Power Digital Power Amplifier Board with fast shipping and expert support.

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