【ARC Audio 4200 SE-Trad｜4ch Power Amplifier That Brings Out the Nuances of Sound】

“Even though the volume is plenty, the vocals sound a little far away,” “The instruments overlap and sound muddled,” “I replaced the speakers, but it still doesn’t quite open up”—in situations like these, looking beyond just the speakers and paying attention to the amplifier driving your music can change the overall impression of your system.

ARC Audio 4200 SE-Trad is a 4-channel power amplifier that uses a high-bias Class A/B design. While carefully shaping the attack and the lingering decay of sound, it also delivers strong drive power. It’s an amplifier that makes the information already present in the songs you listen to all the time feel more natural—such as the breath in vocals, the fine nuances of guitar and piano, and the punch of drum attacks.

It supports rated output of 110W×4 at 4Ω and 200W×4 at 2Ω. Not only does it support a front/rear 4ch configuration, depending on your system it can also strengthen the front speakers via bridge connection. Its appeal is that it’s not only about driving your speakers properly—you can also plan and consider combinations with future system upgrades in mind.

However, an amplifier isn’t a product that produces the exact same sound just by installing it. The final result can vary significantly depending on how you handle power and grounding, wiring, the compatibility with your speakers, gain adjustment, and the overall volume balance. Even with the same 4200 SE-Trad, it’s important which car it’s installed in, which speakers you pair it with, and how you install and tune it.

At LOGON, we offer suggestions based on your vehicle’s specifications and your usual listening style—from systems that make the most of the factory audio to full-fledged setups combining speaker replacements and DSP. We don’t just aim for louder sound; we also fine-tune the balance so you can listen for long periods without fatigue, with a cohesive sound that lets you concentrate on the music from the driver’s seat.

If you’re considering an amplifier upgrade but aren’t sure which product to choose, or if you want to improve your current system by another step, please start by telling us about your vehicle’s condition and your preferences. Since you can also audition products at our store, let’s decide on the direction together while actually confirming the thickness and expressive power of the 4200 SE-Trad’s sound, which can’t be understood from specs alone.

■ Main Specifications / Spec Sheet

【Basic Information】
Product name: 4200 SE-Trad
Brand: ARC Audio
Type: 4ch power amplifier

【Rated Output】
4Ω: 110W×4
2Ω: 200W×4
4Ω bridged: 400W×2
2Ω bridged: 400W×2

【Performance】
Frequency response: 4kHz〜100kHz
Damping factor: 1200 or more

【Dimensions (Main Unit)】
Approx. 495mm×203mm×63.5mm