Kicker 51KPX3004 KPX 300W 4-Channel Class D Full-Range Amplifier
This is a special order item. We do not keep this item in stock. Delivery is usually within 3-5 days of placing your order.
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Shipped with DPD. Usually within 3-5 days.
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Hassle-Free Returns Within 30 Days
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1 Year Warranty for Peaceful Ownership
Description
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.
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.
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.
Additional Information
Delivery Information
Delivery Information
FREE UK delivery on orders over £50. Orders under £50 are just £2.99.
Next Day delivery with DPD – order before 3pm
Orders over £150: FREE next day delivery
Orders £50 – £149.99: upgrade for just £2.99
Orders under £50: £5.98
Saturday delivery with DPD: £9.99
Next day and Saturday delivery exclude Northern Ireland, the Scottish Highlands and the Channel Islands.
Refunds & Returns
Refunds & Returns
30-day hassle-free returns. Not happy with your purchase? Return it within 30 days of delivery for a full refund.
Christmas gifts: returns are extended – orders placed now can be returned up to 8th January 2027.
How to return: the product must be unused and in its original packaging. Contact our customer service team and we'll guide you through it and refund you promptly.