Orion Cobalt CBA3500.4: 4-Channel Car Amplifier, 3500W Max, 500W RMS

Powerful four-channel amplification for your car audio

Upgrade your listening experience with the Orion Cobalt Series CBA3500.4. This four-channel Class A/B amplifier is engineered to deliver clean, consistent power to your speakers, bringing a sense of control and clarity to every drive. Its compact, robust build houses a MOSFET power supply and precise crossover that help your system stay efficient and responsive even when the music gets demanding.

What you may notice when you install it

• Four channels capable of 125W RMS per channel at 2 ohms, 80W RMS per channel at 4 ohms, with a 3500W max total output.
• 2/4 ohm stability gives you flexible wiring options to suit your speaker setup and impedance needs.
• MOSFET power supply for efficient energy conversion, helping maintain performance without excessive heat buildup.
• Low-level RCA inputs simplify integration with most head units and keep signal paths clean from the source to the speakers.
• Built-in front-end tuning with a broad frequency response and bass boost to help your music feel tighter and more defined.

Sound shaping and tuning you can rely on

With a wide 10 Hz to 30 kHz range, the CBA3500.4 supports expressive highs, midrange clarity, and controlled bass. The adjustable low-pass and high-pass filters let you sculpt the tonal balance for each channel, while the bass boost adds presence where you want it most. The result is a more natural, immersive listening experience that adapts to different genres and road conditions.

Build, protection, and real-world use

The chassis is designed for in-vehicle mounting, providing sturdy performance in the busy cockpit or trunk. Two-way protection circuitry helps guard against common electrical issues, contributing to a more dependable setup over time. On days when you’re cranking up the volume, the combination of class A/B efficiency and solid construction aims to keep sound quality consistent across a wide range of listening levels.

What to consider for installation

To get the most from the CBA3500.4, pair it with a compatible head unit and the appropriate wiring kit. Vehicle electrical systems vary, so plan for adequate wiring and mounting space. If you’re unsure about installation, consulting a professional can help ensure optimal performance and a clean, secure fit.