Features
- Mono subwoofer amplifier with 800-watt max power capability
- Delivers continuous 200 watts x 1 at 4 ohms, 400 watts x 1 at 2 ohms
- Variable low-pass filter crossover (40~240Hz, at -12 dB per octave)
- Speaker-level inputs for connecting to most source units
- 50Hz bass boost with level control (0dB, 6dB, or 12dB)
Price: $220.00
Product prices and availability are accurate as of the date/time indicated and are subject to change.
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| Product Information |
Amazon.com Product Description
Pioneer's GM-D7500M mono Class-D amplifier delivers 200 watts x 1 at 4 ohms, or 400 watts x 1 at 2 ohms. That's enough to provide your subwoofer with tight, efficient bass. Speaking of efficiency, the GM-D7500M's Class-D design means less energy is wasted, so you gain more power with a smaller profile. A built-in crossover and bass boost circuit let you dial in the bass content to suit your vehicle.
Pioneer GM Digital Series Amplifiers
A Commanding Performance
Traditional analog amplifier designs are electrically and thermally inefficient--converting as little as 30% of their electrical power into acoustical energy, while the rest is wasted as heat. The dispersion of this excess heat requires large and heavy heatsinks, increasing the size and reducing the installation flexibility of a traditional analog amplifier. Pioneer's GM Digital amplifiers utilize Class-D amplifier technology to produce a compact, high-power amplifier that converts as much as 70% of its input power to sound.
Serious Sound. Small Space.
The compact size of the GM digital amplifiers enables them to be installed in more places in your vehicle. If you want your system to be heard and not seen, Pioneer's GM digital series is the perfect choice, as it's both small and powerful. The advanced circuitry of the GM-7500M model for instance, is 45 percent smaller than its analog counterparts, increasing your installation options in tight spaces. Now you can enjoy superior audio amplification and installation flexibility from a compact product.
Bridge Your System With Digital
The GM Digital line of amplifiers has already earned an impressive reputation with Pioneer retailers and customers alike. This year, for the first time, a full-range solution joins the digital line-up in the form of the GM-D9500F. You can now harness the compact, powerful qualities of digital design to create a full-range, fully digital system.
GM-D7500M Features
Same Powerful Output from a More Compact Amp
100% of the power, 45% of the size--the superior efficiency of a Class-D amplifier means higher power output and greater compactness than an analog amplifier offers.
Efficiently Compact, Awesome Power
Class-D amplifiers overcome the inefficiencies of traditional Class-A or AB amplifiers. Pioneer's Class-D amps transform very little power into heat so a higher percentage of the power supply (67 %) is transformed into the load. This results in a very compact amp which needs less input power to produce very high output power. The Class-D amplifier's PWM (Pulse Width Modulator) modulates the original audio input signal with a triangulated signal wave which has a much higher fixed frequency. The result is a digital signal which contains both the input signal and a band of frequency components around the modulation frequency. A LPF (Low Pass Filter) then filters out the high frequency pulses
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