Shopping Cart 0 items · $0.00

    (All items shipped from our Sydney warehouse)


    $9.95 on all orders

    Heavy Items Excluded


    Best Prices & Price Matching


    Money Back Guarantee

January Sale

January Sale

Pioneer GM-D8604 4 Channel Car Amplifier

Click on above image to view full picture

  • Pioneer GM-D8604 Car Amplifier

List Price: $399.00 On Sale: $189.85 (GST Included) (You save 52.42%)

SKU: GMD8604

$9.95 Flat Rate Generally ships out in 24 to 48 hours.

You may also be interested in the following product(s)

  • Pioneer GM-D8704 4 Channel Car Amplifier

    Pioneer GM-D8704 4 Channel Car Amplifier

    List Price: $400.00 On Sale: $360.85 (GST Included) (You save 9.79%)


How To Build A Bundle

The following accessories can be bundled with your purchase by checking the green ‘Include with Product’ button. You can add as many items to your order as you require and then simply ‘Add to Cart’ to complete order.

Product Info

Product Info

Please Note: This Pioneer Product is part of our Clearance and is only available in limited quantities. This is a limited offer and is available only while stocks last. This product may have already sold out and there are no rain checks offered on clearance items.

Pioneer GM-D8604 4 Channel Car Amplifier

Pioneer is a Japanese multinational corporation founded in 1973 that specializes in digital entertainment products. It's one of the most trusted brands in practically any field of car audio. With the renowned innovation, persistance and integrity of Japanese businesses, you can expect the latest technology and the highest possible quality from Pioneer car audio products.

We Think YOU Should Know

  • 12 Month Pioneer Australian Warranty
  • Risk Free Purchase Guarantee (bottom of page)
  • Class-D
  • 1200W Max Mono Amplifier
  • 4 x 100W (4Ω)
  • 4 x 150W (2Ω)
  • 2 x 300W (4Ω bridge)
  • 2 x 250W (2Ω bridge)


Compact 4 Channel Power
An amplifier shouldn’t take up too much space, especially in your car. This Class-D amps might just be what you’re looking for. It combines a 1-Ohm stable circuit, installation flexibility and a superior high-power output.

Big Power, Small Size
Pioneer's new extra-efficient Class-D digital amplifiers mark a dramatic improvement in power output capability, yet are 50% smaller than the current GM-Series Class-AB amplifiers. That makes them more versatile in terms of installation as well as performance.

Improved Circuit Design
To prevent circuit shutdown, Pioneer's new digital amplifier circuit "Protection Control System" senses its internal temperature and automatically moderates input level accordingly. Stable, durable circuitry lessens the risk of high input power for the unit to achieve 1 Ω connection. This design enhances the flexibility to connect multiple subwoofers to a system.

Variable Low Pass Filter
For extra flexibility, variable LPF and HPF make audio frequency more adjustable according to subwoofer characteristics and personal listening preferences. The GM-D8604 LPF and HPF are adjustable from 40 Hz to 500 Hz.

Speaker Level Inputs
What, you DON'T own a Pioneer headunit? Well, we won't hold it against you. In fact we'll even help you build onto your system. The GM-D8604's speaker level inputs allow you to connect your OEM unit (or any unit that doesn't have the typical RCA-type inputs) without having to buy add-on adapters. So, the install goes faster, you save money, and you've got a Pioneer amp in your vehicle.

Variable HPF & LPF : Adjust LPF & HPF(40-500 Hz).

Multi-Block terminal: Smoothly connect up to 4 subs.


Peace of Mind Purchase Guarantee
This product is supplied via Pioneer Australia and enjoys the FULL benefits of the 'Genuine Pioneer Australian Warranty'. (You may also be entitled to other consumer warranties as provided by the Australian Consumer Guarantee and these entitlements are not limited by this warranty). In the event that this product should fail please contact our service department or you can speak with Pioneer Australia directly.

We are a FULLY AUTHORISED Australian retailer for Pioneer Australia.

Due to differing operating costs associated with selling products via different marketplaces such as eBay, Amazon or our Online Store, our pricing may vary as a result.

Tech Specs

Technical Specifications

Main Features

Maximum Output Power
4 x 200 W (4Ω)
4 x 300 W (2Ω)
2 x 600 W (4Ω bridge)

CEA 2006 Power (THD + N = 1%)
4 x 100 W (20 kHz - 20 kHz / 4Ω)
2 x 300 W (1 kHz / 4Ω bridge)
4 x 150 W (1 kHz / 2Ω)
75 dBA (ref: 1 W into 4Ω)

Continuous power output (RMS)
4 x 100 W (20 Hz - 20 kHz)
4 x 150 W (1 kHz / 2Ω)
4 x 125 W (1 kHz / 1Ω)
2 x 300 W (1 kHz / 4Ω bridge)
2 x 250 W (1 kHz / 2Ω bridge)

Frequency Response
10 - 50000 Hz

< 0.05 %

S/N ratio
> 95 dB

40 - 500Hz (-12dB/oct)

40 - 500Hz (-12dB/oct)

RCA terminals

Speaker Terminals

Speaker line input sensor
Turn-on sensor

Input Level Control
RCA (0.2V - 6.5V)
SP (0.8V - 16V)

Max. Current Consumption (A/4Ω)
33.5 A

Chassis size (W x H x D)
265 x 60 x 200mm

Unit Weight

In The Box

What's Included?

  • Pioneer GM-D8604 4 Channel Car Amplifier

No Reviews Available

  •   1 star 2 stars 3 stars 4 stars 5 stars

* Required Fields

Build your own bundle

Select up to 3 items from the tabs below.

  • item
  • item
  • item

Pioneer GM-D8604 4 Channel Car Amplifier

Amp Wiring Kits

Build your own bundle - Choose up to 2 item(s) from this category

RCA Leads

Build your own bundle - Choose up to 2 item(s) from this category

Speaker Wire

Build your own bundle - Choose up to 2 item(s) from this category