CB4-1800 | 1800W 4 Channel Amplifier

Power Acoustik CB4-1800 4-Channel Car Audio Amplifier

The Power Acoustik CB4-1800 is a high-performance 4-channel car amplifier from the Caliber Series, designed for car audio enthusiasts, vehicle owners, and audio installers seeking powerful and reliable audio amplification. Delivering 1800 watts max power, this Class A/B amplifier powers multi-speaker car audio systems or subwoofer amplifiers with precision, featuring 2-ohm stereo stable and 4-ohm bridged operation. With a MOSFET power supply, variable crossovers, and bass boost, the CB4-1800 is a versatile solution for upgrading car audio systems.

Why Choose the Power Acoustik CB4-1800 for Your Car Audio?

Robust Power Output

The Power Acoustik CB4-1800 delivers 1800 watts max power, with 225 watts RMS x 4 @ 2-ohm, 180 watts RMS x 4 @ 4-ohm, and 450 watts RMS x 2 bridged @ 4-ohm. This high-power car amplifier ensures clear, dynamic sound for car speakers and subwoofers, making it ideal for car stereo amplification in vehicles ranging from sedans to SUVs.

Advanced Class A/B Technology

Built with Class A/B full-range amplification, the CB4-1800 balances efficiency and audio quality, providing crisp highs and deep lows for multi-speaker car audio setups. The MOSFET power supply ensures stable performance, while direct short, thermal, and overload circuit protection safeguards your system, offering reliability for long-term use.

Flexible Input and Output Options

• RCA Level Inputs: Four RCA inputs support 200mV-6V low-level RCA input, ensuring compatibility with most head units.
• High-Level Inputs: Features high-level input with automatic signal sensing turn-on, ideal for factory stereos without RCA outputs.
• Pre-Amp RCA Outputs: Allows daisy-chaining to additional amplifiers for expanded car audio systems.
• Power and Speaker Outputs: Supports 4g power wire and 8g speaker wire outputs for robust connections.

Customizable Audio Tuning

The CB4-1800 offers variable 12dB high-pass and low-pass crossovers, allowing precise control over frequency ranges to optimize sound for car speakers or subwoofers. A 12dB bass boost enhances low octave harmonics, delivering powerful bass for an immersive vehicle audio upgrade.

Technical Specifications

• Max Power: 1,800 watts
• RMS Power @ 2Ω: 225W x 4
• RMS Power @ 4Ω: 180W x 4
• RMS Bridged @ 4Ω: 450W x 2
• Amplifier Type: Class A/B full-range
• Inputs: 4 RCA level inputs, high-level inputs with signal sensing
• Outputs: Pre-amp RCA outputs, 4g power wire, 8g speaker wire
• Crossovers: Variable 12dB high-pass and low-pass
• Bass Boost: 12dB low octave harmonics
• Protection: Direct short, thermal, overload circuit protection
• Power Supply: MOSFET

Who Is the CB4-1800 For?

The Power Acoustik CB4-1800 is ideal for:

• Car audio enthusiasts seeking a 4-channel amplifier for car audio to power multiple speakers or subwoofers.
• Vehicle owners upgrading their car stereo amplification for enhanced sound quality.
• Audio installers needing a reliable bridgeable 4-channel amplifier for professional installations.

How to Install the Power Acoustik CB4-1800

Installation is straightforward:

• Connect the 4g power wire to the vehicle’s battery and ground.
• Use 8g speaker wire outputs to connect to car speakers or subwoofers.
• Attach RCA level inputs or high-level inputs to your head unit or factory stereo.
• Adjust variable high-pass and low-pass crossovers and bass boost for desired audio output.
• Test the automatic signal sensing turn-on for seamless operation.

Why It Stands Out

Compared to competitors like BOSS Audio 4-channel amplifier and Skar Audio 4-channel amplifier, the CB4-1800 offers:

• 1800 watts max power and 450 watts bridged @ 4-ohm for robust performance.
• MOSFET power supply for efficient and reliable operation.
• Variable 12dB crossovers and bass boost for precise audio tuning.
• High-level input with automatic signal sensing, ideal for factory stereos.

Conclusion

The Power Acoustik CB4-1800 is a top-tier 4-channel car audio amplifier in the Caliber Series, delivering 1800 watts max power and versatile features for car audio enthusiasts. With Class A/B amplification, MOSFET power supply, variable high-pass and low-pass crossovers, and bass boost, it’s perfect for multi-speaker car audio or car audio amplifier for subwoofer setups. Order from Amazon, Walmart, or Sonic Electronix today to upgrade your car audio system with reliable, high-performance amplification.