Power Acoustik Caliber Series Amplifiers

The Power Acoustik Caliber Series amplifiers are designed to deliver robust, clean power with precision tuning for car audio enthusiasts. Whether you're seeking a monoblock amplifier for deep bass or a multi-channel amp for a full-range setup, the Caliber Series offers powerful, efficient options backed by Power Acoustik's trusted engineering. With models ranging from 1200 to 8000 watts, the Caliber Series is built for clarity, reliability, and raw power.

Why Choose Power Acoustik Caliber Series?

Engineered for Power and Efficiency

Each amplifier in the Caliber Series is built using Class D amplifier technology. This design ensures high efficiency with lower heat generation, making it ideal for compact installations without compromising performance. The Power Acoustik CB1‑4500D and CB1‑2500D monoblocks deliver massive output while maintaining signal clarity, ideal for subwoofer applications.

Flexible Configuration Options

The CB4‑1800 and CB4‑1200 models are 4-channel amplifiers perfect for full-range speaker systems, offering flexibility for front and rear speaker connections. These amps are bridgeable, allowing users to adjust output for subwoofers or multi-speaker setups with ease.

Rugged Construction with Advanced Components

The Caliber Series features military-grade PCB boards, PWM MOSFET power supplies, and protective circuitry to ensure long-term durability under demanding conditions. Whether you're building a competition-grade setup or upgrading your daily driver, these amplifiers withstand heavy usage.

Explore Caliber Series Models and Wattage Options

CB1‑4500D – 4500 Watt Class D Monoblock Amplifier

Designed for maximum bass output, this monoblock amplifier delivers 4500W max, perfect for powering high-end subwoofers. It features a low-pass crossover, subsonic filter, and bass boost for deep, customizable low-frequency response.

CB4‑1800 – 1800 Watt 4-Channel Full Range Amplifier

Ideal for a full-range system, this 4-channel amp offers clean and controlled sound. The bridgeable design supports subwoofer integration or stereo systems, making it a versatile choice for many users.

RE1‑1500D – Monoblock Subwoofer Amplifier

The RE1‑1500D specializes in bass reproduction, using Class D technology for clean, undistorted subwoofer performance. With 1500 watts max power, it balances output and efficiency for daily use or competitive builds.

How Caliber Stands Apart in the Amplifier Market

Focus on Value and Versatility

Unlike many high-wattage amplifiers, the Caliber Series delivers a balance of affordability and performance. The range from 1200W to 8000W means there’s an option for every car audio need — from basic upgrades to high-output competition systems.

Integration with Modern Car Audio Systems

With support for both high-level and low-level inputs, these amps easily integrate with factory or aftermarket head units. Adjustable gain control, crossover filters, and bass boost features make system tuning straightforward.

Caliber Series Use Cases and Install Scenarios

Car audio competitors seeking high output
Enthusiasts upgrading stock sound systems
Custom installations requiring small footprint amps
Builders looking for cost-effective, high-wattage solutions

Frequently Asked Questions (FAQs)

What is the difference between CB1‑4500D and CB1‑2500D?

The CB1‑4500D offers a higher max power output (4500W vs. 2500W) and is better suited for high-power subwoofer applications. Both use Class D tech for efficiency.

Are Power Acoustik Caliber amplifiers bridgeable?

Yes, all 4-channel models like the CB4‑1800 and CB4‑1200 are bridgeable, allowing flexibility for system configurations including subwoofers or high-output speakers.

Is the RE1‑1500D suitable for a single subwoofer setup?

Absolutely. The RE1‑1500D is designed for subwoofer use, offering clean bass output with compact size and high efficiency.

Do Caliber amps support OEM integration?

Yes, they include high-level inputs, making them compatible with factory stereo systems that lack RCA outputs.

Are these amplifiers safe for prolonged use?

Yes. With protective features like thermal, overload, and short circuit protection, Caliber amps are designed for consistent performance in demanding environments.