【RC 165｜6.5-inch Coaxial Speakers】

These 6.5-inch coaxial speakers are designed for those who want a bit more clarity from their factory speakers, or who want to hear vocals and instruments more naturally.

The woofer and a 19mm silk dome tweeter are integrated into a single unit, making it an easy option to consider even for cars where there isn’t much space to mount large components. The sound output tends to stay well-focused, and when replacing factory speakers, they suit people who want to enjoy the finer details of the music they listen to every day.

Because they are 3Ω speakers, it’s important to check your vehicle-side system before choosing an amplifier or ensuring compatibility with the factory audio. The mounting depth is 65mm, but even within the same 6.5-inch size, the depth and mounting method can differ by vehicle model—so we’ll plan a practical, low-stress installation while looking at the actual car.

If it were me, I wouldn’t stop at simply replacing the speakers. I’d also confirm the condition on the door side, the mounting surface, and the balance with the factory system. Even with the same speakers, there are parts of the sound that can change depending on the mounting base and surrounding treatments.

If you want “a sound that’s slightly better than stock” or “I don’t need a large-scale system, but I want to enjoy my everyday music comfortably,” let’s decide the direction together based on your vehicle model and how you use it.

Main Specifications / Specs

【Basic Information】
Product name: RC 165
Type: Coaxial speakers

【Speaker Configuration】
Speaker size: 6.5 inches
Tweeter: 19mm silk dome tweeter

【Output / Impedance】
Output: 2×125/85W
Impedance: 3Ω

【Mounting】
Mounting depth: 65mm