Pioneer GM-A4704 4-Channel Bridgeable Amplifier (520W)

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(10 customer reviews)

Short Product Overview

Upgrade your car audio with the Pioneer GM-A4704 4-Channel Bridgeable Amplifier, delivering a massive 520W maximum output for crisp, dynamic, and room-filling sound. Engineered for audiophiles, this powerful amplifier provides clean, consistent power and flexible configuration options, perfect for driving both full-range speakers and robust subwoofers with commanding bass.

  • Maximum Output: Unleash seismic audio performance with 520W of maximum power.
  • Flexible 4-Channel Design: Easily power up to four speakers or bridge to two channels for high-power subwoofer setups.
  • High RMS Performance: Delivers robust continuous power (RMS) for superior sound clarity at high volumes.
  • Pioneer Quality: Built with reliable components for exceptional durability and high-fidelity audio reproduction.

Price range: £83.75 through £245.99

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Description

Unleash Massive Power: Pioneer GM-A4704 4-Channel Bridgeable Amplifier (520W) – The Ultimate Audio Upgrade for Your Car

Transform your in-car sound system with the Pioneer GM-A4704, a powerhouse 4-channel bridgeable amplifier engineered for audiophiles and enthusiasts seeking crisp, dynamic, and room-filling audio performance. Delivering a staggering 520W maximum output, this amplifier ensures your speakers receive clean, consistent power, eliminating distortion even at high volumes. Whether you’re running powerful full-range speakers or bridging channels to drive a robust subwoofer, the GM-A4704 offers flexible configuration and incredible sonic clarity. Upgrade to Pioneer quality and experience music the way it was meant to be heard—with depth, precision, and commanding bass.

Key Features

  • Maximum Power Output: Experience seismic audio with 520W maximum power input (Bridged) for truly impactful sound.
  • Flexible 4-Channel Design: Easily power up to four speakers or bridge to two channels for high-power subwoofer setups.
  • High RMS Performance: Delivers robust continuous power (RMS: 4 x 40W at 4 Ω, 4 x 65 W at 2 Ω, or 2 x 130W bridged at 4 Ω).
  • Bridgeable Channels: Configure for maximum versatility, allowing you to drive high-performance speakers or a single, powerful subwoofer.
  • Pioneer Quality: Built with reliable components to ensure durability and high-fidelity audio reproduction.

Important Information

  • Manufacturer: Pioneer.
  • Voltage Compatibility: Operates with a minimum supply voltage of 12.65 Volts and a maximum supply voltage of 26 Volts.
  • Dimensions: Compact design with item dimensions of 8.5 x 12 x 18 centimetres for easy installation.
  • Model: GM-A4704.

Why Choose Think Assemble

  • Quality Assurance: Every product is inspected to ensure peak performance and reliability.
  • Fast Shipping: Get your amplifier quickly with our efficient and secure shipping process.
  • Dedicated Support: Our expert team is ready to assist you with setup and technical questions.
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Specification

Overview

Weight 1200 g
Dimensions 8.5 × 12 × 18 cm
Is discontinued by manufacturer

No

Product Dimensions ‏

‎ 8.5 x 12 x 18 cm; 1.2 kg

Date First Available ‏

‎ 6 Sept. 2016

Item model number ‏

‎ GM-A4704

Country of origin ‏

‎United Kingdom

Guaranteed software updates until ‏

‎ unknown

Manufacturer

PIONEER

Style Name

1-Kanal (1600W)

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1-Kanal (2400W)

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1/2-Kanal (1000W)

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1/2-Kanal (500W)

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2/3/4-Kanal (1000W)

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2/3/4-Kanal (1200W)

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2/3/4-Kanal (1600W)

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2/3/4-Kanal (400W)

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2/3/4-Kanal (520W)

Customer Reviews

4.4
10 reviews
7
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1

10 reviews for Pioneer GM-A4704 4-Channel Bridgeable Amplifier (520W)

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  1. Robhart95


    I’ve had the Pioneer GM-D9701 installed for a few months now and it’s been nothing short of impressive. I’m running it with a single Pioneer sub rated at 1000W RMS and 3000W peak, and the performance is fantastic. The amplifier delivers clean, powerful bass without any distortion, even at higher volumes.What really stands out is how compact it is for the amount of power it pushes. The build quality feels solid and premium, and installation was straightforward with clear connections and controls. Despite its size, it runs efficiently and doesn’t overheat, which is a big plus.I honestly can’t find anything to fault with it. It’s a brilliant bit of kit that delivers way above expectations for the price. If you want a small but powerful amp that performs flawlessly, this one’s an easy recommendation.

  2. Lee


    Love the amp, powers 2x400W rms pioneer subwoofers. Works well and have had no issues with it. I just wish the dials were able to be turned without having a screwdriver to do it, as tuning it when its in the car doesnt leave much space

  3. To all the numptys that have written reviews about no spindle included… please take your time and study the pictures. Study it hard, even pretend your at college, I don’t see any spindle in the pictures.


    Just connected and tested for the first time and wow oh wow… buy a quality brand like pioneer and you know you have a quality product. Amazing sound, automatic clip detection so very easy to set up and the sound quality and base boost is absolutely spot on. Well worth the money. I hope the product is reliable over a long period of time but so far I am more than happy.

  4. Scott


    Good item which works well. Only caution i would give is keep an eye on the price as when i purchased for some reason in the same day the price fluctuated ridiculously although i managed to click at the right time when the price was low.

  5. Mark A.


    Used in bridge mode for my sub, plenty of guts compared to my old amp. Well built and the sound quality you would expect from Pioneer.

  6. Mr Mohamed Ravat


    This is a great little amp that I use in bridged 1 channel mode to power an 8 inch sub in a sealed enclosure. I wanted to keep the stock head unit in the BMW E36 so this amp is ideal as it has speaker level inputs as the factory head unit doesn’t have pre outs. The amp has a built in low pass filter. Overall, great amp.

  7. Think Assemble Customer


    I’ve had quite an experience with this amplifier. Long story short, your set up for it needs to be powerful enough so that the rca cables push out enough power for it to turn on.I used it for my car, using your average 12V battery and Sony radio and cables. The radio didn’t push out enough power in the RCAs for it to turn on. I’d recommended purchasing an amp with a remote turn on wire feature. I. The begging I thought it was the amp that was broken so I ordered another one and it turned out to be my set in up. It’s a good quality amp though I wouldn’t recommended for car use. I’d go for one with a remote turn on wire. Having to send these to amps I’ve got now back. Wouldn’t recommend it.

  8. avtar sandhu


    Powers my twin 12″ alpine type r’s perfectly and is half the size of my old amplifier of the same spec but sounds better.

  9. Emil88_DE

    WOW!
    Super Gerät, es hängt an einem Xtrons Android Radio.Besonders positiv bin ich von der Größe überrascht.Über die Endstufe werden 4 Lautsprecher versorgt.Man kommt super an die Einstellschrauben und die Verkabelung ist ebenfalls schnell erledigt, wenn man bisschen Ahnung hat.Ich musste meine Kabel allerdings erst anpassen (Stecker anbringen) und originalen kabelbaum zerlegen.Wer davor keine Angst hat dem rate ich zu dieser tollen Endstufe.

  10. Mehmet Kaplan

    Tercih ettiğim ürün
    Benim için yeterli ürün, kullanacak her kişi için fiyat ve model isteği tercihe göre değişir.

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