Kicker KA51KPX3004 KPX 300W 4 Channel Class D Full-Range Amplifier

KPX 300W 4-Channel Weather-Resistant Amplifier – Big Power, Small Package

The KPX300.4 is engineered to deliver massive power in a compact, weather-resistant design — perfect for motorcycles, boats, or any vehicle with limited space. Don’t let its small footprint fool you; this amp is built to drive upto 4 speakers with clarity and precision, without putting extra strain on your charging system.

Compact yet powerful, the KPX300.4 4-Channel Amp delivers up to 300W in a weather-resistant design. Perfect for motorcycles, boats, or tight installs, it powers 2- or 4-speaker systems with precision and clarity.

Designed for versatility, it powers two- or four-speaker setups with ease. Independent gains and a variable 12dB crossover ensure optimal speaker performance, longevity, and sonic clarity. With a wide input range, it’s easy to integrate with virtually any factory or aftermarket radio.

Key Features:

• Compact design fits under fairings or tight spaces
• Powers 2- or 4-speaker systems effortlessly
• Up to 300+ watts of clean power
• Weather-resistant construction for outdoor and marine use
• Built-in crossover controls for precise tuning
• Variable 12dB/octave hi-pass crossovers: 60/80/100/120Hz
• Puts very little strain on charging system

Specifications:

• 75W x 4 @ 2Ω | 45W x 4 @ 4Ω
• 150W x 2 bridged @ 4Ω
• Frequency Response: 20Hz – 20kHz
• Dimensions: 22cm x 8.4cm x 4.3cm

Big system performance, small package convenience — the KPX300.4 makes high-quality sound possible in even the most space-limited rides.

UK Delivery Options:

• Standard Delivery 2-3 Working Days £4.99
• Courier Next Working Day £9.99
• Courier Saturday £25

International Delivery Options:

Some European countries are included - Please email us to confirm we can send to you destination. Sales@CarAudioDirect.co.uk

Order Tracking:

Visit the DPD website Tracking page here - You will need your tracking number

Unwanted Goods:

In accordance with The Consumer Contracts Regulations (2015), you have a 14 working day 'cooling off period' in which you have the right to cancel your purchase and receive a full refund.

Manufacturer's warranty:

Beyond this 14 working day period, you are covered under the manufacturer's warranty which is typically 1 year (Excluding Open Box products). If your product becomes faulty during this period, you should contact our eSupport department, via the website, direct email or phone for a returns number. We will then arrange for your item to be repaired (or replaced, if appropriate with a new product) or provide details of the manufacturers local service centre.

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