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Product Descriptions
Product Descriptions
Pioneer GM-D8704 Class-D 4-Channel Bridgeable Amplifier
Pioneer GM-D8704 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 connection. This design enhances the flexibility to connect multiple subwoofers to a system.Variable Low-Pass and High-Pass Filter
For extra flexibility, variable LPF and HPF make audio frequency more adjustable according to subwoofer characteristics and personal listening preferences. The GM-D8704 LPF and HPF are adjustable from 40 Hz to 500 Hz.
GM-D8704 4-channel amplifier will greatly improve the sound quality in your vehicle. This amplifier will power your front and rear speakers with 100 watts RMS each. You will hear much more of the little details in your music, especially when you turn your system up to overcome road noise. With this amplifier, you can run your front speakers with the front channels (A), then combine the rear channels (B) to drive a subwoofer. You can also put this versatile amp into 2-channel mode to send up to 300 watts RMS each to a couple of component speakers or subwoofers. The front channels have a variable high-and low-pass filters to adjust the sound for front sound staging or a finely tuned bass. Switchable high and low pass filters on the rear channels to enhance the full-range speakers. Speaker-level inputs allow you to add this amplifier to a factory system. This Class D amplifier is CEA-2006 compliant.