All items tagged with Class-D (113)
Analog Devices Presents New-Generation ADAU1797 Low Power Audio Processor at CES 2024
January 9, 2024 by Joao Martins

Analog Devices Presents New-Generation ADAU1797 Low Power Audio Processor at CES 2024

Analog Devices is now sampling its latest audio processor and low power ANC codec, the ADAU1797. This high-performance device with integrated HiFi 3z and FastDSP cores is able to efficiently support front-end audio processing with beamforming and noise reduction, as well as neural network-assisted speech recognition (ASR) processing. An ideal, low latency, low power, three times more powerful processor for true wireless stereo (TWS) ANC earbuds and headphones.
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R&D Stories: Motion Feedback for Active Desktop Subwoofers
December 8, 2023 by Zami Schwartzman

R&D Stories: Motion Feedback for Active Desktop Subwoofers

Zami Schwartzman, the founder of Servobass, shares his journey into the application of Motion Feedback (MFB) methods for active subwoofers. He explores passive and active bass enhancement methods and how Servobass arrived at an optimized design using MFB techniques to achieve highly performing active subwoofers in desktop and compact sizes. A solution that is now available to be licensed by the industry. This article was originally published in audioXpress, November 2023.
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Dillinger Labs Introduces SKAA-Enabled Battery-Powered Mobile Subwoofer
December 6, 2023 by Joao Martins

Dillinger Labs Introduces SKAA-Enabled Battery-Powered Mobile Subwoofer

Available for pre-order and expected to ship in March 2024, Death From Below (DFB) is the world's first SKAA-enabled, battery-powered mobile subwoofer that all owners of Soundboks 3, 4 and Go battery-powered speakers will want. Designed in Canada by Dillinger Labs, a wholly-owned subsidiary of Eleven Engineering - the company that developed and licenses SKAA wireless audio technology worldwide - the new PA-level subwoofer is a truly unique product.
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WiiM Announces WiiM Amp Integrated Streaming Amplifier and Multiroom Audio Streamer
November 22, 2023 by Joao Martins

WiiM Announces WiiM Amp Integrated Streaming Amplifier and Multiroom Audio Streamer

From audio streamers, WiiM has now evolved to a complete integrated amplifier design that is able to power any classic passive speakers, and effortlessly stream any source wirelessly to the whole home. The new WiiM Amp merges a streamer with a TI 3255 Class-D audio amplifier and ESS Sabre premium 32-bit DAC. It offers a range of analog and digital inputs, including HDMI ARC and USB, supporting up to 24-bit/192kHz playback. The new WiiM Amp will be available in silver and space gray for $299 on Amazon.
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Everything That's Audio in audioXpress December 2023
November 14, 2023 by audioXpress Staff

Everything That's Audio in audioXpress December 2023

audioXpress December 2023 includes a market overview of multiroom audio, Brent Butterworth writes about new ways to measure ANC earbuds, and Stuart Yaniger measured the new Axign and GaN Systems Class-D audio amplifier board. Richard Honeycutt writes about tubes, BJTs, JFETs, MOSFETs, and ICs, and Dimitri Danyuk, discusses JFETs in audio circuits. Douglas Self explains how to optimize variable-frequency tone controls, and Jan Didden shares his eDD direct-drive amplifier project.
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ICEpower Unveils Cutting-Edge ICC5 Audio IC for High-Performance Class D Amplifiers
November 13, 2023 by Jan Didden

ICEpower Unveils Cutting-Edge ICC5 Audio IC for High-Performance Class D Amplifiers

ICEpower A/S introduced the latest addition to its lineup of audio power solutions, the ICEpower ICC5. This audio integrated circuit (IC) boasts advanced technology, fast propagation delay, and support for up to a 220V supply voltage. As a high side and low side FET gate driver optimized for flexibility, the ICC5 enables high-fidelity sound with minimal noise and distortion, making it an ideal choice for reliable class D amplifier designs ranging from 25W to 4kW.
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Re-engineered Soundboks 4 Delivers Enhanced Sound Quality and Extended Battery
September 21, 2023 by Joao Martins

Re-engineered Soundboks 4 Delivers Enhanced Sound Quality and Extended Battery

And the world's most powerful party speakers are back with more. The leading Danish lifestyle party speakers company just announced the re-engineered Soundboks 4 speaker. The new Soundboks 4 was engineered to outperform the growing plastic-speakers with ugly LEDs of the competition, and now offers improved sound quality at any volume and is paired with industry-leading battery technology, all wrapped in a customizable, durable build with an easy-to-use Scandinavian design.
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Lyngdorf Audio Launches MXA-8400 High-Performance Power Amplifier With Purifi Technology
September 11, 2023 by audioXpress Staff

Lyngdorf Audio Launches MXA-8400 High-Performance Power Amplifier With Purifi Technology

The launch of the Lyngdorf MXA-8400 8-channel amplifier, introduces an extraordinarily powerful, power-efficient, and ultra-linear multichannel amplifier, incorporating Purifi Eigentakt technology and delivering 8 x 400 watt. The MXA-8400 also features the new, highly efficient Lyngdorf PowerPerfect power supply with Channel Balancing Technology and integrated mains power decoupling and filtering.
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Fresh From the Bench: Hypex Nilai500DIY 500W Mono Power Amplifier Kit - A New DIY Benchmark
September 6, 2023 by Stuart Yaniger

Fresh From the Bench: Hypex Nilai500DIY 500W Mono Power Amplifier Kit - A New DIY Benchmark

The Hypex Nilai500DIY 500W Mono Power Amplifier Kit is new DIY benchmark from the company's dedicated DIYClassD brand. The kit is specified to deliver 500W with 1% THD at 4 ohms, improves output noise and idle losses significantly, and comes with a discrete buffer stage and voltage regulators. The article, originally published in July 2023, offers an extensive review with measurements of the full kit, including the PS500 DIY power supply and DIYClassD preamplifier kit.
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Fresh From the Bench: The Hypex NCORE NCx500 Amplifier Module - Doubling Down on a Flagship
July 4, 2023 by Stuart Yaniger

Fresh From the Bench: The Hypex NCORE NCx500 Amplifier Module - Doubling Down on a Flagship

The new NCx500 amplifier board from Dutch manufacturer Hypex Electronics is the first of a new NCOREx family of modules that evolves from the extremely popular NCORE Class-D amplifier technology, one of the most successful options among high-end audio and studio monitor brands. Stuart Yaniger was able to spend a few weeks with this next flagship for OEM applications. How will this improved NCOREx technology measure up? And will it deliver the "x" times improvements over the proven NCORE? Stuart shares all the juicy details.
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