Kicker 51KPX3004 KPX 300W 4-Channel Class D Full-Range Amplifier

Kicker  |  SKU: 167872
Model# 51KPX3004
Barcode:
£249.99

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.

  • Free & Next-Day Delivery Available

    Shipped with DPD. Usually within 3-5 days.

  • Hassle-Free Returns Within 30 Days

    Hassle-Free Returns Within 30 Days

  • Free & Next-Day Delivery Available

    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

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

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.

Read our full returns & refund policy.