All items tagged with Class-D (131)
Peak Amplification Unveils Next-Generation GaN Class-D Amplifier
September 2, 2025 by Joao Martins

Peak Amplification Unveils Next-Generation GaN Class-D Amplifier

Peak Amplification, a division of Elytone, announced the launch of its first GaN–based amplifier module co-developed with Infineon at CEDIA Expo 2025 in Denver (Booth 739). The first in a new generation of products that Peak believes will outperform traditional silicon-based Class-D amplifiers, the new amplifier module leverages the latest CoolGaN and MERUS devices from Infineon and already offers higher performance audio, higher power density, and significantly cooler and more efficient operation.
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Cambridge Audio Launches MXW70 Hypex NCORE-Driven Power Amp
June 13, 2025 by audioXpress Staff

Cambridge Audio Launches MXW70 Hypex NCORE-Driven Power Amp

Cambridge Audio announced the launch of a compact Class-D stereo power amplifier that extends its half-width MX Series and is an ideal companion to the MXN10 music streamer with digital pre-amp mode. The new NCORE-driven MXW70 delivers an impressive 70 Watts (at 8 Ohms) per channel, and features RCA and XLR inputs for versatile connectivity. Users can also turn the amplifier from stereo to mono mode with a simple switch, unlocking 250 Watts of bridgeable power.
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STMicroelectronics Reveals Space-Saving, High-Frequency Digital Automotive Audio Amplifiers
June 10, 2025 by Joao Martins

STMicroelectronics Reveals Space-Saving, High-Frequency Digital Automotive Audio Amplifiers

STMicroelectronics has revealed new class-D automotive audio amplifiers for smart-cockpit applications, engineered for tiny overall dimensions and with a digital input that simplifies circuit design. Ready to meet the expanding requirements in modern automotive head units, digital clusters, and in-vehicle infotainment systems, the new HFDA class-D audio amplifiers offer four 27W channels of high-performance audio in a tiny 7x7 mm LQFP48 package.
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WiiM Expands Lineup with WiiM Amp Ultra Smart Amplifier
May 15, 2025 by Joao Martins

WiiM Expands Lineup with WiiM Amp Ultra Smart Amplifier

WiiM introduced its most powerful and refined streaming amplifier to date: the WiiM Amp Ultra. Housed in an aluminum chassis and featuring a vibrant 3.5” glass-covered touchscreen, the WiiM Amp Ultra delivers 100W per channel at 8 ohms, with ultra-low distortion. The WiiM Amp Ultra builds on the streaming power of the existing Amp Pro model, and combines it with the premium display experience introduced in the WiiM Ultra streamer, adding more output options for home theater applications.
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Analog Devices Launches MAX98425A and MAX98415A 22V Digital Input Stereo High Efficiency Class-D Amplifiers
May 7, 2025 by Joao Martins

Analog Devices Launches MAX98425A and MAX98415A 22V Digital Input Stereo High Efficiency Class-D Amplifiers

Analog Devices announced two new medium power stereo Class-D amplifier devices intended to deliver maximum efficiency for battery-powered designs, with ultra-low idle current, and still providing the lowest possible distortion at its loudest levels. The MAX98425A is a low noise, Class-D amplifier with digital PCM inputs and filterless operation. The MAX98415A is a smart amplifier with IV feedback routed through the PCM interface data output and featuring a rich set of protection algorithms.
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audioXpress May 2025 Brings the Best in DIY Audio with Tubes
April 11, 2025 by audioXpress Staff

audioXpress May 2025 Brings the Best in DIY Audio with Tubes

This year’s special Glass Audio issue of audioXpress includes interesting explorations such as the Ultra-Linear Power Amplifier by Rudolf Moers, Micro Details in Push-Pull Output Transformers by Hans Polak, Getting Less Gain From Tubes by Merlin Blencowe, and the Type 3 Mu Stage Breakthrough by Alan Kimmel. This issue also includes two speaker designs from Ben (Wolf) Shaffer and Ken Bird, an article about the intriguing return of 78 rpm records, and Paul Marchese’s Part 2 of his insightful Primer on Class-D Amplifiers. Richard Honeycutt shares how he learned to DIY with Tubes.
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SiliconIntervention Announces Availability of Silicon-Based Fractal-D Audio Amplifier Evaluation Board
March 26, 2025 by Joao Martins

SiliconIntervention Announces Availability of Silicon-Based Fractal-D Audio Amplifier Evaluation Board

SiliconIntervention announced the availability of an evaluation board, demonstrating the high efficiency operation of its Fractal-D audio amplifier aimed at wearable applications such as earbuds and smart glasses as well as mobile products that demand extended battery life. SiliconIntervention is the company exploring a new type of bridge configuration that improves the efficiency at lower power levels while maximizing efficiency over a wide range of power levels.
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ICEpower Updates Existing Amplifier Modules with New Technology
March 25, 2025 by Joao Martins

ICEpower Updates Existing Amplifier Modules with New Technology

The Danish purveyor of high-performance Class-D amplifiers, ICEpower, announced it will be progressively updating its amplifier modules with the full benefits of its new Conductor topology and integrated gate driver ICC5 chips, combined with refined design and functionality. The integration, ICEpower says, takes audio quality to the next level and redefines the company’s already renowned amplifier technology. First products to receive the updates are the 50ASX2, 125ASX2, 700AS1, and 700AS2 modules.
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Fresh From the Bench: Purifi 1ET9040BA Balanced Class-D Amplifier Module
March 19, 2025 by Jan Didden

Fresh From the Bench: Purifi 1ET9040BA Balanced Class-D Amplifier Module

The Purifi 1ET9040BA balanced Class-D amplifier module, a Bridge-tied-load (BTL) output stage, is the second product in the company's Eigentakt range. Following a conversation with members of Purifi about the amplifier's audio performance being hard to measure even with the best available test equipment, Jan Didden, in collaboration with Rens Tellers, took up the challenge, with invaluable support from Audio Precision's parent corporation Axiometrix.
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Neurochrome Launches Universal Purifi Input Buffer
March 19, 2025 by audioXpress Staff

Neurochrome Launches Universal Purifi Input Buffer

Neurochrome, the Canadian audio electronics company created by Tom Christiansen, just announced an interesting new upcoming product for builders and all DIY enthusiasts. A new universal input buffer board, designed to extract the best possible performance from Purifi and Hypex Class-D amplifier modules. Improving on the Purifi EVAL1 and the Hypex NC500 evaluation board, the new universal single-channel (mono) design provides a differential output for the amplifier, even if the input to the buffer is single-ended.
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