Kicker CXA8001 800W Mono Class D Subwoofer Amp - Compact Power

In this review of the Kicker CXA8001 CXA8001-800-Watt mono Class D subwoofer amp, the bottom line is simple: this amp is for drivers who want high output, compact installation, and precise bass control. It stands out because it balances substantial power delivery with installation-friendly size and flexible tuning, so installers and enthusiasts who need a dependable sub amp will appreciate it. The review examines build, features, and real-world behavior to show why it delivers usable power without excessive heat or complexity.

Key Features

• 800 watts mono output: Delivers substantial power for a single-sub setup so it can drive larger subwoofers or multiple subs when wired appropriately.
• Variable 12dB crossover: Allows precise crossover tuning to integrate the subwoofer cleanly with factory or aftermarket speakers for tighter bass response.
• KickEQ 6dB bass boost: Provides easy low-frequency enhancement to add punch at the listening position without resorting to gain-only tuning.
• 24dB subsonic filter: Protects subs from ultra-low frequencies and improves efficiency and stability at high output levels in sealed or ported enclosures.
• 1 Ohm stable mono design: Lets installers add more subwoofer load configurations for greater total cone area without stressing the amp.
• Versatile mounting hardware and voltage tolerance: Includes vertical and horizontal mounting options and works with as little as 9V up to 40V speaker-level input, simplifying varied install environments.

Who It's For

The Kicker CXA8001 is best for car audio enthusiasts and installers who need compact, reliable mono power for a dedicated subwoofer or a small cluster of subs. It suits builds where space is limited but significant output and tuning control are required, such as trunk installs, compact enclosures, or custom under-seat systems.

Those seeking multi-channel amplification for full-range speakers, or buyers who require digital app control or networked DSP should look elsewhere, since this amp focuses on raw mono power, basic EQ and filtering rather than an integrated DSP platform.

Pros & Cons

Pros

• High power capability in a compact Class D package makes installation easier without sacrificing output.
• Comprehensive tuning tools including a variable crossover, KickEQ boost and subsonic filter let users tailor bass response precisely.
• Stable to 1 Ohm and tolerant of a wide input voltage range, offering flexible wiring and reliable performance.
• Includes both vertical and horizontal mounting hardware for versatile installation options.

Cons

• Functionality is basic compared with amps that include built-in digital signal processing, so advanced tuning requires outboard DSP for fine adjustments.

Specifications

Brand	Kicker
Model	CXA8001
Class	Mono Class D
Peak/Continuous Power	800 watts (mono rating indicated)
Stability	Stable to 1 Ohm
Tuning	Variable 12dB crossover, KickEQ 6dB boost, 24dB subsonic filter
Mounting	Vertical and horizontal hardware included

Our Verdict

The CXA8001 is a practical choice for anyone who wants high-output subwoofer amplification in a compact, install-friendly package. It delivers robust, stable power and useful tone-shaping without unnecessary complexity, making it good value for installers and enthusiasts who prioritize reliable bass performance over integrated DSP features.

Frequently Asked Questions

Is this amp stable for multiple subs?
Yes, the mono design is stable down to 1 Ohm, so it supports multiple subs wired to achieve the appropriate load for higher cone area.

Can I mount it vertically?
Yes, CX-Series amps include both vertical and horizontal mounting hardware to suit different installation spaces.

Does it include advanced digital tuning?
No, the amp provides analog tuning options like a variable crossover, KickEQ and a subsonic filter, but no built-in digital signal processing.