Earthquake Sound

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Overview

Earthquake Sound Corporation designs, manufactures, and markets high-performance audio systems for home theater, automotive, and professional sound applications. The company has established itself as a recognized player in the audio industry by focusing on innovative speaker design and audio technologies. Known for engineering products with attention to acoustic accuracy, Earthquake Sound serves both consumer and OEM markets through a network of dealers and direct channels.

History

Founded in 1985 by brothers Joseph J. Sahyoun and Abraham Sahyoun, Earthquake Sound began as an innovator in audio technology. The company has earned multiple CES Innovation Awards, including recognition for the PHASE-4 Controller (2000), IW-803 In-Wall Speaker System (1998), 4300 TXO Power Amplifier (1997), and IQ-400 Audio Amplifier (1996). Earthquake Sound operates as a division of Hohmann International Group and has expanded its presence across multiple markets and geographic regions over three decades.

Product Lines

Product Line	Positioning	Price Range
Home Theater Speaker Systems	Consumer home audio solutions	$300 - $3,000
In-Wall Speakers	Integrated architectural audio	$200 - $1,500
Subwoofers	Bass reinforcement for home and mobile	$400 - $2,500
Power Amplifiers	High-performance audio amplification	$800 - $4,000
Automotive Audio Systems	Mobile audio solutions	$500 - $3,000

Manufacturing

Earthquake Sound operates a 60,000 square foot manufacturing facility in Hayward, California. The company designs and manufactures products in-house while maintaining quality control standards. Products are exported to markets throughout the Americas, Europe, and Asia.

Notable Products

PHASE-4 4 Channel Phase Shift Controller - Award-winning signal processing device recognized at 2000 CES for innovative audio control
IW-803 In-Wall Speaker System - Architectural speaker solution that won 1998 CES Innovation Award
4300 TXO Power Amplifier - High-performance amplifier recognized at 1997 Winter CES for audio amplification
IQ-400 Audio Amplifier - Compact amplifier solution that earned 1996 Winter CES Innovation Award

Reputation

Earthquake Sound is recognized by audio enthusiasts for engineering products with attention to acoustic accuracy and innovative design. The company has earned credibility through multiple CES Innovation Awards and design patents from the USPTO. The brand is positioned as a quality-focused manufacturer rather than a mass-market player, appealing to audiophiles and professional installers who value performance and reliability. Limited public information suggests the brand maintains a specialized rather than mainstream market presence.

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