39%
More about the product
The Pioneer GM-A4704 is a 4-channel amplifier designed to enhance in-car audio systems with clean power and flexible configuration options. With a compact black chassis and red accents, the GM-A4704 fits easily into most vehicles and offers a straightforward installation process.
This model delivers up to 520 watts of max power, making it suitable for powering four speakers or bridging channels to drive subwoofers. It supports both 4-channel and bridged 2-channel configurations, allowing users to tailor the setup to their needs. The amplifier uses a Class AB design, which balances sound quality and efficiency for everyday use.
The GM-A4704 includes a low-pass filter, which helps optimise bass output when connected to subwoofers. It also features speaker level inputs, making it compatible with factory head units that lack RCA outputs. This allows for easy integration into stock audio systems without needing additional adapters.
Installation is simplified by the amplifier’s compact size and clear terminal layout. It includes screw-type connections for power, ground, and speaker wires, ensuring a secure fit. The unit is also equipped with automatic signal sensing and turn-on, which activates the amplifier when an audio signal is detected. This is especially useful in setups without a dedicated remote turn-on wire.
The amplifier is housed in a durable metal casing and includes built-in protection circuits to guard against overheating and short circuits. It’s compatible with a wide range of speakers and subwoofers, making it a versatile choice for upgrading factory audio or building a custom system.
While the GM-A4704 does not include advanced tuning features or digital signal processing found in higher-end models, it provides reliable performance for entry-level and mid-range systems. It’s designed for users who want to add more volume and clarity to their car audio without overcomplicating the setup.
The Pioneer GM-A4704 is a solid option for boosting sound quality in small to mid-sized vehicles. It offers clean power, flexible installation, and essential features at an affordable price point.
Technical details
- Brand
- Pioneer
- Warranty
- 12-months
Look out for Bankstown Sound Recommendations
Whether you're shopping in store or online, we're here to guide you with honest, expert advice. Keep an eye out for our 'Bankstown Sound Recommends' callouts across product pages for real insights into the gear we trust and use ourselves, from the Bankstown Sound team.
Why Choose Bankstown Sound for Your Car Audio & Tech Upgrades
At our Bankstown Sound store and workshop in Sydney, our team ensures every car and auto audio installation and upgrade starts with an understanding of how you use your car. Our team works with you to understand your driving habits, the features you rely on, and the problems you’re trying to solve.
Most factory setups are built to broad standards and often lack the clarity or seamless connectivity required for how people actually drive. That’s why we focus on modernising your dashboard and audio performance based on how you use your vehicle.