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Tuesday 9am - 5pm Wednesday 9am - 5am Thursday 9am - 5pm Friday 9am - 5pm Saturday 9am - 5pm

OSD Black

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OSD is engaged in the design, engineering, and distribution of high-quality home and commercial audio

Passionate About Sound

Optimal Speaker Design is engaged in the design, engineering, and distribution of high-quality home and commercial audio products. Our products range in complexity from simple in-ceiling speakers to whole-house audio systems—all with beautiful styling and high-end sound quality. Our U.S.-based research, development, and design team, is supported by a network of cutting-edge acoustical, mechanical, and electrical engineers. Together, we create products that combine the latest technology with ease of use for a quality sound experience. With extensive product and application knowledge, our exceptional customer service team provides you with custom solutions to create the perfect audio solution.

10/06/2026

Simple control. Flexible sound. 🔊

The OSD ISS4 High Power Speaker Selector lets you distribute audio to up to 4 listening zones from a single amplifier play one pair, multiple pairs, or all four at once. Built-in impedance protection keeps your equipment safe, while independent zone controls make switching rooms effortless.

Compact, passive, and built for a clean multi-room audio setup.

09/29/2026

Power your music. Stream it everywhere. 🔊

The OSD Nero Stream XD2 combines audiophile-quality sound with effortless whole-home streaming. Enjoy a 192kHz/24-bit DAC, up to 300W per channel, 4-channel amplification, and support for Spotify, Amazon Music, Bluetooth, TV, turntable, USB, and more.

Connect multiple XD2 amps throughout your home, sync your rooms, and control it all from the OSD Player App or included remote.

One amp. Every room. Your music.

09/16/2026

Serious power for serious listening. 🔊

Meet the OSD Nero XMAX2 a high-current Class A/B powerhouse delivering 600W x2 at 8Ω or 1000W x2 at 4Ω, with both channels driven. Built around a massive 2000VA toroidal transformer and 200,000µF capacitor bank, it delivers effortless dynamics, control, and clarity.

Balanced XLR, RCA, built-in USB-C DAC, illuminated analog VU meter, and up to 1800W bridged for monoblock setups. Built without compromise and backed by a 5-year limited warranty.

09/08/2026

Nothing speaks louder than our customers. ⭐️⭐️⭐️⭐️⭐️

From an easy online shopping experience to helpful customer support and great advice when you need it, we’re proud to make every step with OSD Audio simple and reliable.

Great products. Great prices. Real support.

09/07/2026

Bring cinema-level power home. 🔊🎬

The OSD HTA5200 5-Channel Class AB Amplifier delivers up to 210W per channel at 4Ω with all 5 channels driven, plus balanced XLR inputs, 12V trigger control, and an impressive 110dB SNR for exceptional clarity and dynamic range.

Powerful performance. Low distortion. Built for serious home theater.

bass. Elevated design. 🔊

09/04/2026

The OSD Nero ARC SUB Pendant Subwoofer brings deep, controlled bass to spaces where traditional speakers aren’t an option. Featuring an 8” rigid graphite woofer, up to 300W of continuous power, 180° dispersion, and switchable 70V/8Ω operation, it delivers broad, impactful coverage while blending seamlessly into modern interiors.

Perfect for gyms, restaurants, bars, retail spaces, and other commercial installations where performance and design matter.

Available in white or black.

09/02/2026

Real setups. Real sound. ⭐️⭐️⭐️⭐️⭐️

From gazebos and patios to poolside spaces, customers are loving the OSD BTP650 Bluetooth Patio Speakers for their powerful sound, easy installation, reliable Bluetooth connection, and great value.

“Ridiculously easy to install and the sound is fine for me and my family.”
“Great speakers at a great price.”
“Certainly worth looking into.”

Ready to bring your favorite music outdoors?

08/29/2026

Power your commercial audio with confidence. 🔊

The OSD Audio PA90 Commercial Mixer Amplifier delivers 60W of reliable power for distributed audio, paging, background music, and announcement systems. Supporting 8-ohm, 70V, and 100V systems, it features multiple mic and source inputs, priority paging, plus built-in chime and alarm functions for added control.

Ideal for offices, restaurants, retail spaces, schools, and commercial installations where clear, dependable audio matters.

Address

Brea, CA
92821

Opening Hours

Tuesday	9am - 5pm
Wednesday	9am - 5am
Thursday	9am - 5pm
Friday	9am - 5pm
Saturday	9am - 5pm

Telephone

+18887794968

Website

https://www.osdaudio.com/

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