Diamond Audio DMDX4 4″ 2-Way Coaxial Speakers (Pair)

22 in stock

$109.99

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Product Description
The Diamond Audio DMDX4 4″ 2-Way Coaxial Speakers are engineered to deliver clear, balanced sound in compact factory speaker locations. Designed as a direct upgrade from OEM speakers, the DMDX4 provides improved clarity, midrange detail, and high-frequency response without requiring major modifications. Featuring a concentric coaxial design, these speakers create a natural and well-balanced soundstage, allowing vocals and instruments to sound accurate and well-defined. The carefully tuned cone and surround combination delivers smooth midrange response, while the integrated tweeter adds crisp highs for an overall clean listening experience. Built with Diamond Audio’s reputation for reliability and performance, the DMDX4 is ideal for door, dash, or rear deck installations. Whether you’re replacing worn factory speakers or building a budget-friendly aftermarket system, these speakers offer dependable sound quality and long-term durability.

Key Features
4″ 2-Way Coaxial Speaker Design
Concentric Layout for Balanced Soundstage
Smooth Midrange with Clear High-Frequency Detail
Compact Size for OEM Replacement Locations
Durable Construction for Daily Driving
Ideal for Door, Dash, or Rear Deck Installations

Specifications
Power Handling (RMS): 30W
Power Handling (Peak): 90W
Impedance: 4 Ohm
Frequency Response: 70Hz – 20kHz
Sensitivity: 82 dB
Mounting Depth: 1.81″ (46mm)
Cutout Diameter: 3.7″ (94mm)
Overall Diameter: 4.02″ (102mm)
Overall Height: 2.01″ (51.1mm)

What’s Included
(1) Pair of Diamond Audio DMDX4 Speakers

Warranty
2-Year Dealer Warranty

Product Authenticity Guarantee

All products offered are genuine, brand-new, and sourced through reliable suppliers. Quality and authenticity are always our priority.

Installation & Service Information

Professional installation is available at our shop for most products and services.

If you’re purchasing a product for installation or have questions about service availability, contact us to confirm details before booking or ordering.

Warranty, Returns & Support

All products are backed by manufacturer warranties where applicable.

Services are performed with care and professionalism.

If you have any concerns before or after your purchase, our support team is here to help.

Diamond Audio DMDX4 4″ 2-Way Coaxial Speakers (Pair)

$109.99

Proven. Trusted. Reliable.

Why Trust Autosomnia

At Autosomnia, quality comes first. From genuine products to expert installations, we stand behind everything we sell and every service we perform—no shortcuts, no compromises. We treat every vehicle and every order with the same attention to detail we expect for our own.

What to Expect While Buying from Autosomnia

Genuine Products
Skilled in-house installations
Honest pricing & transparency
Reliable customer support

Any questions?

We’ve answered some of the most common ones below to help you shop with confidence. If you need anything else, our team is always here to help.

Are your products genuine and authentic?

Yes. All products sold by Autosomnia are 100% genuine and sourced from authorized manufacturers and trusted distributors. We never sell replicas or knockoffs.

Do your products come with a warranty?

Most products include a manufacturer-backed warranty. Warranty length and coverage vary by brand and product, and details are listed when applicable. Our team is happy to help if you have questions.

How fast is shipping or service scheduling?

Orders are typically processed within 1–2 business days. Shipping times vary based on location and product availability. For services, scheduling details will be confirmed after purchase.

What is your return and cancellation policy?

Eligible unused products may be returned within the specified return window. Installed products and services may have different policies due to labor and customization. For service cancellations or questions about returns, we recommend contacting us directly so we can assist you properly.

What detailing services do you offer?

We offer a full range of automotive detailing and protection services, including paint correction, ceramic coating, paint protection film (PPF), interior detailing, exterior detailing, vinyl wrap services, and more. Each service is performed in-house by experienced professionals using premium products.

Don't take our word for it...

Very impressed with Autosomnia. Clean install, professional service, and honest communication throughout the process. You can tell they actually care about quality and customer satisfaction. Highly recommended.

Michael R.
Queens, NY
Purchased a product online and also booked an in-store service. Both experiences were smooth and professional. The staff was knowledgeable and took the time to explain everything clearly.

Daniel P.
Brooklyn, NY
Great experience from start to finish. The product quality was exactly as described, and the team answered my questions quickly. Shipping was fast and everything arrived well packaged. Would definitely order again.

Jason L
Miami, Colorado