• 1,600 Watts Max Power
• Aluminium Top Plate
• Matched Power Ratings for Use With Pioneer Marine Speakers & Subwoofers


Is the power from your marine audio system not quite matching the power of your boat? The Pioneer GM-ME500X1 can easily and cost effectively solve your problems. Designed to support the Pioneer range of subwoofers they also feature a conformal coating on the PCB to improve durability.


The Pioneer GM-ME500X1 is your perfect power partner!

*This model is not waterproof or water resistant. Do not install this product in a location exposed to direct sunlight, contact with liquid/liquids, or excessive heat, humidity or dust.


Conformal coating PCB to improve durability making the GM-ME500X1 ideal for marine use*.

*Do not install the unit in areas that are exposed to direct sunlight, excessive heat or humidity. Also avoid places with dust or areas with a high level of water splashing.


When you buy a Pioneer product, you’re not only purchasing the very you are buying peace of mind. All products listed come with a 12 month manufacturer’s warranty; except brand new Pioneer AVIC products, which come with a 3 Year Warranty. Any warranty repair work should be performed by a Pioneer Authorised Service Centre warranty.

We do not offer an extended manufacturer warranty.

If a product has been delivered to you and you have opened the original product packaging then you have agreed to be bound by these terms and conditions. Returns for refunds will only be accepted within 14 days of receipt of goods. Returned goods must be in their original condition. Shipping and handling costs are not refundable. A restocking fee may apply.

Where the product is not returned within 14 days, Pioneer reserves the right not to accept return of the product, except where the product is under manufacturer’s warranty and you can provide evidence that the product is faulty.

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

All products sold on the Pioneer Australia website are brand new. All products include a manufacturer’s warranty.


  • General Enquiries – 1800 988 268
  • Sales Enquiries – 1800 060 852
  • Product Tech Support – 1800 672 102
  • Spare Parts – 1800 331 763
  • Service & Repairs – 1800 188 397

You can register your Pioneer product by joining our consumer loyalty club – Backstage Pass.
By doing so, Pioneer Australia can then alert you to any news/information regarding your purchase, including firmware or software updates. Moreover, you are then eligible to receive exclusive offers and invitations from Pioneer.

All the latest firmware/software for every Pioneer product can be located on the relevant website product page, under the tab FIRMWARE&SOFTWARE. Alternatively, you can search via the SUPPORT section on this website.


If you purchase directly from the Pioneer Australia website, you are entitled to FREE SHIPPING within Australia – all states and territories.

All purchases are usually delivered via Aussie Air Express; leaving our Melbourne warehouse within 2 working days of receipt of your order. Our sales team processes orders between 9am – 5pm weekdays. Once stock leaves our warehouse, delivery ETA is:

Melbourne – Overnight / VIC regional – 2 days
Sydney/ACT – Overnight / NSW regional – 2 days
Brisbane – Overnight / QLD regional – 2 days
Adelaide – Overnight / SA regional – 2 days
Perth – Overnight / WA regional – 2 – 4 days
Darwin – Overnight / NT Other – 2-4 days

All online orders are despatched from our national warehouse in Melbourne.

You will receive an email notification when your order has been shipped and is on its way to you.

No. All online purchases from the Pioneer Australia website will be delivered directly to you.

Show Differences

Amplifier ClassCLASS-D
Speaker Level InputYes
Warranty1 Year
Fuse Rating40A x 2
Terminal TypeBlock
Load Impedance Allowance (Ohms)1 to 8
Protection Control SystemYes
Dimensions252mm (W) x 60mm (H) x 215mm (D)
Continuous Power (RMS) Output @ 1Ω800W RMS x 1
Continuous Power (RMS) Output @ 2Ω500W RMS x 1
Continuous Power (RMS) Output @ 4Ω300W RMS x 1
Frequency Response10 Hz to 240 Hz
Total Harmonic Distortion (THD)< 0.5% (100 Hz)
Signal-to-Noise (SN) Ratio> 100 dB
Crossover TypeVariable LPF
Low-Pass Crossover Frequency40 Hz to 240 Hz
Low-Pass Slope (dB/octave)-12 dB/oct.
High-Pass Crossover FrequencyN/A
Rubber Covers IncludedSide Panel Cover, RCA Terminal Cover, FUSE Cover