Product Description
125W x 4 @ 2? – 14.4V
65W x 4 @ 4? – 14.4V
250W x 2 @ 4? – 14.4V (bridged)
These all-new IQ Amplifiers are best described as very complex and technically “cutting-edge,” while being remarkably easy and rewarding to use.
The IQ500.4 Four Channel Amplifier gives you audiophile quality processors and power outputs for incredibly accurate detail in a small chassis.
The IQ500.4 delivers 65 watts x 4 at 4? and 125 x 4 watts at 2?.
All IQ amplifiers come with the revolutionary TWEEQ tuning software. Available as a free app for PC, iOS and Android, this tuning system allows you the freedom to dial in your perfect sound – without buying or installing a separate processor.
Equipped with a simple walk-through configuration process, TWEEQ includes every tool you need to craft a truly excellent sonic environment. A graphic speaker selection menu, +/- 12dB equalizer with 31-bands, adjustable 24dB crossover and time alignment is all included for every channel of the amp. Access the Advanced settings for time delay controls, phase options, a full limiter/compressor, and input mixer to make your sound stage as unique as you are.
Want to TWEEQ your system wirelessly? Simply add the IQI Intelligent Interface and control as many as four IQ amplifiers with Bluetooth®!
Shipping & Returns
UK Mainland Delivery
We aim to dispatch all UK Mainland orders on the same or next working day. Delivery typically takes 1–2 working days, depending on the time your order is placed.
For special order items, we aim to dispatch within 4–5 working days. These items are clearly marked as “Special Order” within the product description.
Delivery Charges & Minimum Order
All prices shown on this page are exclusive of VAT.
We do not have a minimum order value; however, our minimum delivery charge includes packaging and handling costs and cannot be reduced.
Tracked Courier OptionsUK Mainland: £13.00 + VAT (TNT / FedEx / Transglobal Express) Some items qualify for Free Delivery where margin allows.
Economy Regions: Highlands & Islands of Scotland, Scilly Isles, Isle of Wight, and Northern Ireland.
Please add items to your basket and proceed to checkout for an exact delivery quote.
Channel Islands: Jersey, Guernsey, and the Isle of Man are treated as separate countries in our delivery system, ensuring zero VAT for the Channel Isles.
Courier Partners
We currently use DPD, DHL, TNT/FedEx, UPS and Transglobal Express for all UK and European shipments.
International orders are generally sent via DHL or DHL Express. Please contact us for a shipping quote — once approved, we’ll enable the relevant delivery option so you can complete your order online.
European Deliveries
We offer Economy and Express options from as little as £10 per 30kg.
To receive an accurate quote, please email us with your full delivery address and local contact number.
Customs & Import Duties
Customs duties and handling fees may be applied by local authorities in your country — these are outside our control. Please familiarise yourself with any applicable import charges before placing your order.
Some couriers may charge a small fee to handle customs clearance on your behalf. We cannot provide prices inclusive of duties or taxes, and the customer remains responsible for any local charges.
Please do not request that we under-declare or alter invoice values for customs paperwork — this is unlawful and may invalidate your shipment in the event of a claim.
Important Information
Once your parcel has been dispatched, it is in the hands of the courier. While most deliveries arrive promptly, transit times are estimates and not guaranteed due to factors such as road delays or courier backlogs.
All deliveries are tracked and require a signature on receipt, so please ensure someone is available at your chosen delivery address.








