Kicker 48PXA4004 PXA Series 4-Channel 150W RMS x 4 at 2 Ohms, Class-D Full Range Powersports/Marine Amplifier
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What's Inside?
- • PXA Series 4-Channel Class-D Full Range Powersports/Marine Amplifier
- • (2) Power/ground wire couplers
- • (4) 1" screws
- • Logo badge with adhesive backing
- • Instruction sheet
- • Owner's Manual
Why Choose Kicker 48PXA4004 Marine Amplifier?
Compact Waterproof Class-D Amplifier
IP66 and IP67 certified for durable, all-weather performance, this high-efficiency Class-D amplifier delivers up to 800 watts of dynamic power from a compact footprint. Dual turn-on modes allow activation via DC offset or 12V trigger for flexible installation.
PXAPT DSP Tuning Adapter with Easy Installation
This adapter simplifies installation with included inline power and ground couplers—no soldering or crimping required. Corrosion-resistant stainless-steel mounting hardware ensures a secure fit, while enhanced DSP tuning allows PC-based adjustments using KICKER Powersports Tune™ software for precise audio customization.
Advanced Remote-Capable Powersports Amplifier
Featuring independent EQ and crossovers for each channel, channel linking, parametric EQ, and adjustable crossover topology for precise sound control. Compatible with the CXARC Remote (AMP2 low-pass mode) for convenient remote adjustment of multiple amplifiers.
Frequently Asked Questions (FAQ)
- • Why won't the amplifier power on after installation?
A blown fuse, poor ground connection, or missing remote turn-on signal is the most common cause. Verify the battery voltage, fuse, remote wire, and all power connections before troubleshooting further.
- • Is this suitable for marine environments?
Yes. It is built with marine-grade materials that resist moisture, corrosion, vibration, and UV exposure when installed properly.
- • Why does the amplifier enter protection mode?
Protection mode is typically caused by overheating, a wiring short, or speaker impedance below the recommended level. Inspect the wiring and allow the amplifier to cool before turning it back on.
- • Can I run four speakers from this amplifier?
Yes. It is designed to power multiple compatible speakers as long as the total impedance and power requirements are within its specifications.
- • Why is there power but no sound?
This is often caused by loose RCA cables, disconnected speaker wires, or incorrect source unit settings. Check all signal and speaker connections before assuming the amplifier is faulty.
- • Why does it become hot during extended use?
Some heat is normal when the amplifier is delivering high output for long periods. Ensure it has adequate airflow and is not mounted in a sealed compartment.
- • Can I bridge channels to power a subwoofer?
Yes, if the amplifier supports bridged operation and the connected subwoofer meets the recommended impedance requirements. Refer to the wiring diagram before making bridged connections.
- • Why do I hear alternator or engine noise through the speakers?
Electrical noise is usually caused by poor grounding or improperly routed signal cables. Improving the grounding point and separating RCA cables from power wires often eliminates the interference.
- • Should I use marine-grade wiring for installation?
Yes. Marine-grade power and speaker wire provide better protection against corrosion, moisture, and saltwater exposure than standard automotive wiring.
- • Can I expand my marine audio system in the future?
Yes. You can add more speakers, another amplifier, or a compatible marine subwoofer if your boat's electrical system has sufficient capacity.
- Number of Channels : 4
- Frequency Response : 10-20000 Hz
- Built In Crossovers : Yes
- RMS Power Output : 4x150 Watts
- Channel Separation : Yes
- Amplifier Class : D
Features:
- Waterproof & Durable: IP66 and IP67 certified for reliable all-weather performance.
- High-Efficiency Class-D Design: Compact footprint with up to 800 watts dynamic power.
- Dual Turn-On Modes: Choose between DC offset or 12V trigger.
- Easy Installation: Includes inline power and ground couplers—no soldering or crimping needed.
- Stainless-Steel Mounting Hardware: Corrosion-resistant and secure.
- Enhanced DSP Tuning: PXAPT adapter allows PC-based tuning with KICKER Powersports Tune™ software.
- Advanced Audio Control: Independent EQ and crossovers per channel, channel linking, parametric EQ, and adjustable crossover topology.
- Remote Capable: Compatible with CXARC Remote (AMP2 low-pass mode).
Specifications:
- Power Output (2Ω Stereo): 150 W x 4
- Power Output (4Ω Stereo): 100 W x 4
- Power Output (4Ω Bridged Mono): 300 W x 2
- Dynamic Power: 800 W
- Frequency Response: 10 Hz – 20 kHz (+0/-3 dB)
- Crossovers: 80/120 Hz hi-pass, 80 Hz lo-pass, 24 dB/octave
- Bass Boost: N/A
- Dimensions: W 4-1/2" / 114.7 mm, H 1-3/4" / 45 mm, L 9-3/4" / 247.5 mm
- UPC: 713034088479
- Weight: 7
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
