Memphis PRX603 Power Reference Series 6.5-inch 3-Way Coaxial Speakers with Swivel Tweeters - Pair

Upgrade your car audio with the Memphis PRX603 Power Reference Series 6.5-inch 3-way coaxial speakers. Designed to fit common dash openings without sacrificing sound quality, this pair blends precise imaging with responsive dynamics for daily listening that feels more alive, whether you’re cruising city streets or exploring highways.

Key design features

• Polyurethane surround
• PEI dome tweeter
• Multi-direction pivot tweeter system
• Stealthy black-on-black M-Cone design

These choices work together to deliver both durability and fidelity. The polyurethane surround helps maintain cone integrity under temperature changes and road conditions, while the PEI dome tweeter handles crisp highs with low distortion. The multi-direction pivot tweeter system gives you control over high-frequency dispersion to suit your seating position, so imaging can feel more focused and less off-axis.

What you’ll hear

The 3-way configuration separates acoustic tasks across the driver stack, which can translate to clearer vocals, defined instruments, and a more controlled bass presence. Expect a response that can reproduce subtle details in your favorite tracks without sounding shouty or compressed, even at moderate listening levels.

• Clear, non-fatiguing highs for extended listening
• Balanced mids that bring vocals forward without overpowering the mix
• Tight, articulate bass that complements the overall sound without overwhelming cabin space

Real-world versatility

Whether you drive a compact sedan or a larger cruiser, these speakers are designed to slot into typical 6.5-inch openings with minimal modification. They pair well with a variety of power levels, so you can experiment with a compatible aftermarket amp to unlock additional headroom and cleaner dynamics. The sleek stealth finish complements many interior styles, making the upgrade noticeable in its performance while remaining discreet in appearance.

In practice, you may notice improved stage depth and imaging as you fine-tune mounting depth and grill alignment. The combination of a robust surround and the M-Cone design can contribute to a more controlled listening environment, where highs stay crisp and mids stay musical across genre ranges—from rock and pop to acoustic textures and electronic streams.

Build quality and design philosophy

Memphis emphasizes durability and fidelity. The M-Cone design and stealth black finish are not just about aesthetics; they contribute to consistent performance under varying road temperatures and vibrations. This pair is built to deliver reliable, repeatable sound for everyday use and weekend listener sessions alike, without demanding excessive space or complex installation steps.

Summary of benefits

• Balanced 3-way system with swivel tweeters for adaptable imaging
• Durable polyurethane surround for long-lasting cone motion
• High-fidelity PEI dome tweeter for crisp top-end details
• Stealth M-Cone design with a sleek aesthetic