Class D Audio Amplifier Market - Forecast(2024 - 2030)

Class D Audio Amplifier Market Overview

The global class D audio amplifier market size is forecast to reach US$4.5 billion by 2027, growing at a CAGR of 8.8% from 2022 to 2027. A class-D amplifier is an electronic amplifier using Integrated circuits (ICs), transistors, usually metal-oxide-semiconductor field-effect transistor (MOSFETs) which operate as electronic switch. This works by shifting the sample frequency of sound signals at which devices operate up to extremely high frequencies using pulse-width modulation. They are used in television sets and home audio systems, high volume consumer electronics, headphone amplifiers, mobile technology and automotive vehicles. The various types of amplifiers are classified as mono-chanel,2-chanel, 4-chanel, 6-chanel and others. The increase in demand of home theatres, advanced audio speakers, vehicle infotainment devices and advanced driver assisted systems are the prime factors for the growth of the market. The high installation costs and technical issues of overheating are restraining this growth of this market.

Class D Audio Amplifier Market Report Coverage

The report: “Class D Audio Amplifier Industry Outlook – Forecast (2022-2027)”, by IndustryARC covers an in-depth analysis of the following segments of the Class D Audio Amplifier industry.

Key Takeaways

 

Class D Audio Amplifier Market Segment Analysis- By Devices

The Class D Audio Amplifier Market by devices has been segmented into smartphone, television, home theatre systems, desktops, laptops, tablets and others. The smartphone segment held the largest share of around 45%, in 2021 This is owing to the increasing demand of smartphones with advanced audio features and it provides mobility and multifunctional applications. The rise in IoT based devices led to demand smartphones to connect with other surrounding devices such as home theatres and speaker systems using class d audio amplifiers. The use of class d audio amplifiers in consumer electronics assists in power efficiency and long battery life. For example, the 11-V boosted Class-D amplifier from Cirrus Logic also uses a Class H DC-to-DC converter to boost the supply with higher efficiency over Class G, while additional battery management systems predicatively adapt to changing audio, speaker and battery conditions to regulate battery current and save power in a smartphone. In 2021, Samsung launched Samsung galaxy S21 Ultra which is a flagship product and uses D-Class amps 5.3W each at 1% THD allowing individual volume matching for both speakers. Thus, growing market of smartphones with the demand for quality sound effects is boosting the class d audio amplifier market.

Class D Audio Amplifier Market Segment Analysis- By End User

The Class D Audio Amplifier Market by end user has been segmented into consumer electronics, automotive, public spaces and others. The consumer electronics segment held the largest share of 40%, in 2021. The growth of this segment is attributed to rise in demand for light-weight electronics which is achieved through compact circuit boards using class d audio amplifiers, increasing demand for quality sound and noise cancellation features in consumer electronics. In September 2021, Lenovo launched Smart Clock Essential, a voice-controllable high-end Smart Clock, which adds touchscreen support, but whereas both Smart Clock generations support Google Assistant which uses Elite Semiconductor Microelectronics Technology (ESMT) AD52058 Class D audio amplifier which helps the device in improved alarm sound quality and power efficiency. In 2019, Positive grid launched Spark Smart guitar amplifier which has Great sound at high and low volumes, variety of tones with great learning features and comes with attractive and compact design. This is essentially a 40W Class-D stereo practice amplifier along with custom-designed speakers, and the frequency range spans from 20-20,000Hz. Thus, using these class D amplifiers is preferred in wide range of consumer electronics which helps in driving this market.

Class D Audio Amplifier Market Segment Analysis- By Geography

The Class D Audio Amplifier Market by geography is segmented into North America, Europe, Asia-Pacific (APAC), South America, and the rest of the world (RoW). APAC held the largest Class D Audio Amplifier Market share with 30% of total market size. The contributing factors such as growing demand of advanced consumer electronics and especially smart speakers with voice control as well as IoT connected device control features help in the growth of class d audio amplifiers market. The growing manufacturing facilities and increase in end user products are also contributing in the market growth. In March 2022, BOSS Audio Systems announced the launch of Polaris RZR 5-Speaker Audio Kit. This audio kit has Class D amplified 600 Watt 10-inch subwoofer, 100 Watt kick panel enclosure speakers and 100 Watt cage pod speakers. Thus, manufacturing hub located in various Asia-Pacific countries help in the growth of the class d audio amplifier market.

Class D Audio Amplifier Market Drivers

The growing application of smart speakers with quality audio and power efficiency fuels the growth of this market

 Consumers are switching to smart speaker due to its voice-controlled search feature, commanding IoT-connected devices and other functionalities like these. In 2021, SOUNDBOKS launched the Gen 3 Bluetooth Performance Speaker, which uses Merus Audio eximo amplifier switching 72W RMS class D amplifiers with advanced bass digital signal processing. In 2021, Infineon launched a smart speaker based on Wi-Fi and Bluetooth technologies . Its quality audio comes from a choice of best-in-class MERUS™ class D amplifier solutions to provide the perfect solution for the specification of the Smart Speaker to create rich, immersive sound. The advanced design reduces power consumption to provide up to 58% longer battery playback compared to competing solutions in portable designs.

The growth in demand of vehicle infotainment systems in automotive sector leads the growth in the class d audio amplifier market

The growing automotive industry demands for advanced luxury systems such as in-vehicle speakers and other electronics as well as in advanced driver assisted system (ADAS). Regardless of the vehicle’s powertrain, nearly all now incorporate sophisticated infotainment systems to provide a combination of entertainment and information for a hopefully enhanced in-vehicle experience. These systems, of course, need significant amounts of power delivered via an efficient space-saving IC. ADAS and AVAS are known to add a number of speakers to an automotive audio system. Class-D amplifiers, however, may be a useful solution for cutting size, costs, heat, and power consumption. Class-D amplifiers have a clear sound quality and a higher switching frequency, making them more efficient than other amplifier setups. Some of the benefits of choosing a Class-D amplifier are low heat dissipation, extended battery life, and cost-effectiveness. In 2022, Sony Electronics Inc. announced the newest additions to its premium Mobile EScar subwoofer, speaker, and amplifier line-up, including class d audio amplifiers. With high-quality sound and seamless usability, Sony's latest car audio offerings deliver a superior entertainment experience.

Class D Audio Amplifier Market Challenges

The technical issues such as overheating and high expense of incorporating LC filter acts as restraining factors for this market.

An LC filter is critical in helping you reduce electromagnetic radiation (EMI) of Class-D amplifiers. In some Class-D amplifiers, you also need the LC filter to ensure high efficiency outputs. Typically LC filters are used for the higher radio frequencies where active filters are not so manageable, and inductors more appropriate. The LC filter uses capacitors and inductors which are sometimes large and expensive. Class D's output-stage power dissipation, though lower than that of linear amplifiers, can still reach levels that endanger the output transistors if the amplifier is forced to deliver very high power for a long time. Class D audio amplifiers use only a fraction of the heat with usually the heatsinks are only 1/4th the mass which still places a limit on thermal dissipation. So it is essential to ensure the corrected inherent flaw for heatsink to avoid the case of overheating in the system execution, during design or installation or tuning stage.The product such as MTX Audio Terminator Series TNE212D, note that it auto shuts off during blazing hot summer days. The speakers mistake it for overheating, and so it does overheat. Keeping the class d audio amplifier used with hot with continuous blowing air is possible, though not everyone has the time for that. Thus, in some cases of errors in integration or other issues results in overheating,this causes a roadblock in the growth of this market.

Class D Audio Amplifier Market Landscape

Product launches, acquisitions, and R&D activities are key strategies adopted by players in the class d audio amplifier industry. Theclass d audio amplifier top 10 companies include:

1. Texas Instruments
2. Qualcomm
3. STMicroelectronics
4. Cirrus Logic Analog Devices
5. NXP Semiconductors
6. Infineon Technologies
7. Silicon Labs
8. Analog Devices, Inc.
9. Toshiba Corporation
10. ON Semiconductor

Recent Developments:

• In March 2022, Sonus faber announced that its audio system shall be integrated with Maserati's new Grecale vehicle. Sonus faber is distinctively featured in (2) audio systems for Grecale, the Premium (standard) and High Premium (optional) Sonus faber sound systemThe dynamic range of each system is delivered by a high-power Class-D Dual DSP amplifier with an oversized power supply. This and many more features gives a boost to this vehicle in the market.
• In February 2022, Infineon has announced the launch of MERUS 2-channel, analog input, class D audio amplifier multichip module (MCM) MA5332MS. the 100-400 W/channel range, the module is suitable for consumer products including home theaters in a box, soundbars, subwoofers, and mini-component systems. Based on its improved features, MA5332MS reduces BOM cost and thermal management concerns. Hence this improvised product is predicted to gain some market share from various application industries
•  In July 2021, the Warwick Gnome announced the launch of series of Class D solid-state amplifiers is particularly compact and user-friendly, with USB connectivity allowing you to use them as an audio interface. Class D amps use a high-frequency oscillator carrier at 400 KHz with pulse width modulation techniques to amplify the audio signal, only drawing current when the audio signal is present. This makes the amplifier extremely efficient, at 90 percent or higher. Thus, creating a product with such unique feature in the market is ought to gain market share.
•  In March 2021, Cirrus Logic has launched its newest flagship CS35L45 boosted amplifier for a richer, more immersive audio experience from smartphones, tablets and mobile gaming devices. According to a recent user survey conducted by SAR Insight & Consulting for Cirrus Logic, 40 percent of consumers have increased their use of speaker mode over the past 12 months. Thus, there is scope of gaining a market share with the launch of this new product

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