Crest Audio Ca18 Watts

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

16 来源

The Crest Audio CA18 remains a legendary Class H power amplifier in the professional audio market, particularly valued in 2024–2025 for its high-current capability and sustained low-end performance. While the industry has moved toward lightweight Class D technology, the CA18's "overbuilt" toroidal power supply ensures a grip on heavy subwoofers that modern alternatives struggle to match Fullcompass Musiciansfriend.

Technical Specifications (Wattage)

The CA18 is rated to deliver up to 5000 Watts in bridged mono mode. Its standard (1kHz) and full bandwidth (20Hz–20kHz) ratings are as follows:

Load Impedance	Stereo (Per Channel)	Bridged Mono
8 Ohms	1000W (Standard) / 950W (Full)	3600W (Standard) / 3400W (Full)
4 Ohms	1800W (Standard) / 1700W (Full)	5000W (Standard) / 4800W (Full)
2 Ohms	2500W (Standard) / 2400W (Full)	Not Recommended

Market Trends & Insights (2024–2025)

* The "Iron" Resurgence: Despite the popularity of lightweight amps, there is a growing trend among "Dub" and custom sound system builders to seek out transformer-based (Iron) amplifiers like the CA18 for their thermal stability and "raw current" Musiciansfriend Speakerplans.

* Serviceability Advantage: Unlike modern digital amplifiers with integrated proprietary modules, the CA18 uses discrete components, making it easier for technicians to repair in 2025, thus extending its lifespan Musiciansfriend.

* Weight Penalty: At 77 lbs (35 kg), the primary market shift is away from the CA18 for mobile DJ and touring applications due to logistical costs and physical strain Fullcompass Speakerplans.

* Sourcing Context: The original Crest Audio CA18 is largely discontinued, leading to a high-demand second-hand market and the emergence of OEM "CA Series" replicas on B2B platforms like Alibaba that mimic the original Class H architecture .

I have compiled detailed lists of current B2B sourcing options for CA18-style amplifiers and modern high-power Class D alternatives for your review.

Based on these findings, you might want to:

Sources & References

16 sources cited · Verified industry data & reports

CA18 POWER AMPLIFIER

Full Compass

At 8 ohms, 20Hz. - 20kHz, 0.1% THD+N, it shall deliver a minimum of 950 watts per channel. At 4 ohms, 20Hz - 20kHz, 0.1% THD+N, it shall deliver a minimum of ...

Crest CA18 & 9001 - Speakerplans.com Forums - Page 2

Speakerplans.com Forums

the CA 18 is close to 5000 watts @ 4 ohms. 2-ohm per channel loads supplying … 2800 watts into 4 ohms per side.

Crest Audio CA 18 Power Amplifier - Best Price

Spectrum Audio Systems Ltd

Specifications: Power Output: 600 watts per channel at 8 ohms; 900 watts per channel at 4 ohms; 2000 watts bridged at 4 ohms. Frequency Response: 20 Hz to ...

Crest Audio CA 18 5000W Power Amplifier

Musician's Friend

Model: CA 18 8 Ohms Stereo Power: 1000W 1kHz, 950W 20Hz-20kHz, 4 Ohms Stereo Power: 1800W 1kHz, 2 Ohms Stereo Power: 2500W 1kHz, Output Voltage (each channel): ...

CA18 Amplifier Price Guide: B2B Rates & Verified Suppliers

Alibaba.com

2x750W 8ohm Stereo Audio 2 Channel Amplifier. Outdoor Performance with 8ohm & 4ohm Impedance Metal Shell $212.14 4.6(772)

Manual Ca 18 | PDF | Amplifier | Sound Technology

Scribd

The CA Series amplifiers have a standard input sensitivity of .775 Volts for rated power at 8 Ohms. Model CA18 features an external voltage gain/input ...

Crest Audio Ca18 Watts

Overview

Technical Specifications (Wattage)

Market Trends & Insights (2024–2025)

Replacement For Crest Audio Ca18 Amplifier

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Sources & References