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JL Audio HD900/5 5-Channel Class D System Amplifier 900W RMS

JL Audio  |  SKU: 228017
Model# HD900/5
Barcode:
£1,379.00
Available to order. This item is held by our supplier. Order today and we'll dispatch it within 2 working days, usually delivered in 3 working days.
  • Free & Next-Day Delivery Available

    Delivered in 3 working 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


Designed as the ultimate space-saving system amplifier, the JL Audio HD900/5 delivers powerful, high-fidelity sound from a remarkably compact chassis. With the ability to drive four full-range speakers and a dedicated subwoofer from a single amplifier, it’s the perfect solution for premium installations where simplicity, efficiency and sound quality matter most. Producing a serious 900 Watts RMS total output, the HD900/5 brings clarity, punch and control to every part of your system.

At its core, the HD900/5 features JL Audio’s advanced Single-Cycle Control™ switching design paired with R.I.P.S. (Regulated Intelligent Power Supply) technology. This ensures consistent power delivery over a wide range of load impedances while keeping distortion extremely low. Built with a brushed aluminium finish, rugged cast alloy heat sinks and a gasketed control cover, the amplifier is engineered for both performance and durability. Whether you’re upgrading factory audio or building a high-end custom system, the JL Audio HD900/5 delivers reference-level sound in a compact, installation-friendly design.

Additional Information
  • Frequency Response (Main Channels): 12 Hz - 28 kHz (+0, -1 dB)
  • Frequency Response (Subwoofer Channel): 12 Hz - 10 kHz (+0, -1 dB)
  • S/N Ratio, referred to highest rated power (Main Channels): > 108.5 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
  • S/N Ratio, referred to 1 W (Main Channels): > 88.2 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
  • Damping Factor @ 4 Ω: > 400 / 50 Hz
  • Damping Factor @ 2 Ω: > 200 / 50 Hz
  • THD+N @ Rated Power (Main Channels): < 0.03% @ 4 Ω
  • THD+N @ Rated Power (Subwoofer Channel): < 0.05% @ 4 Ω
  • Input Voltage Range @ RCA Inputs: Switchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High)
  • Min. Copper Power / Ground Wire Gauge: Accepts up to 4 AWG wire
  • Fuse Rating: 60 A (AFS, AGU or MaxiFuse™)
  • Product Dimensions: 273 x 49 x 199 mm
  • Net Weight: 3.11 kg

Delivery Information

FREE UK delivery on orders over £50. Orders under £50 are just £4.99.

Next Day delivery with DPD – order before 3pm
Orders over £150: FREE next day delivery
Orders under £150: just £4.99

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.