【SN-MS1800 Compatible with Under-Seat Installation｜High-Quality Speaker Cable Installation for Front 2-Way + R / 3-Way】

SN-MS1800 is a speaker cable for car audio from M&M Design.
It’s designed for those who want to go a step beyond the factory wiring and bring out the speaker’s true performance more properly.

When you want better sound, you tend to focus on the speakers or the amplifier—but in reality, the overall sound impression also changes depending on how you choose the cable and how you route it.
These details are key for delivering the strengths of the system you’ve built as directly and accurately as possible to the speakers—such as the contour of vocals, fine instrument decay/reverb, and the sound’s attack.

SN-MS1800 is a model that strikes a balance between ease of handling and ease of installation, while firmly addressing the aspects that affect sound quality.
“Even if you’re not going all the way to premium cables, leaving the factory wiring as-is feels a bit wasteful.”
I think it’s an ideal position for an upgrade like that.

This installation assumes a routing modification that starts from areas around an under-seat amplifier or DSP amplifier and supports a setup of either Front 2-Way + Rear or Front 3-Way.
We won’t just run the cable through—we’ll install while considering the vehicle’s available space, how the interior fits and finishes, the impact of noise, and maintainability for the future.

With car audio, even using the same product, the final result changes depending on “where you route it,” “how you bundle it,” and “which configuration you use to play it.”
At LOGON, we create a wiring plan in a practical, no-overreach way by taking into account the vehicle model, your current system, and even future step-up plans.

If you’re aiming for a change in sound, it’s less likely you’ll regret it if you handle not only the speakers and amplifier, but also these “invisible” details properly.
If it were my system and I wanted the front stage to perform properly, I’d plan from the start—including the cable installation.

Main Specifications / Specs

■ Basic Information
Product name: SN-MS1800
Brand: M&M Design
Type: Speaker cable for car audio

■ Cable Specifications
Outer diameter: φ6.8mm
Conductor area: 18AWG

■ Installation-Applicable Routing Images
Routing from around an under-seat amplifier / DSP amplifier
Front 2-Way + Rear configuration
Front 3-Way configuration

*Actual installation details will vary depending on the vehicle model, system configuration, and mounting location. We will make suggestions in a feasible, no-overreach way while checking the actual vehicle and your current audio setup.