IT&&';;S THE DIFFERENCE BETWEEN HEARING THE MUSIC AND FEELING IT These efficient, easy-to-install amplifiers work with your compatible FusionA(R) stereo system1 and let you choose from monoblock, multichannel and zone amplifier options. POWER AND EFFICIENCY The Apollo amplifiers are designed to produce impressive power with less drain on your battery. The monoblock produces 650-watt RMS, and the 4/6/8 channel amplifiers produce 150-watt RMS per channel. EASY TUNE FEATURE These amplifiers use the Easy Tune feature2, which automatically regulates audio settings. So, you can get the best quality sound without making manual adjustments. LESS DISTORTION Some amplifiers distort audio when they add power. Ours are specifically designed with minimal distortion and noise, so you can enjoy high-quality audio, even at higher volumes. 2000-WATT MONOBLOCK AMPLIFIER Add extra power to your system with this 2000-watt (650-watt RMS) monoblock amplifier that&&';;s specifically designed to power a subwoofer. 1200-WATT 4 CHANNEL AMPLIFIER This 4 channel amplifier with 150-watt RMS per channel can power up to four pairs of speakers or two pairs of speakers and one subwoofer. It includes high-power mode adapters for simple bridging to increase power. 1800-WATT 6 CHANNEL AMPLIFIER This 6 channel amplifier with 150-watt RMS per channel can power up to six pairs of speakers or four pairs of speakers and one subwoofer. It includes high-power mode adapters for simple bridging to increase power. 2400-WATT 8 CHANNEL AMPLIFIER This 8 channel amplifier with 150-watt RMS per channel can power up to eight pairs of speakers or four pairs of speakers and two subwoofers. It includes high-power mode adapters for simple bridging to increase power. 140-WATT ZONE AMPLIFIER The compact zone amplifier provides audio zone expansion for high-quality sound in more areas on your boat. It&&';;s compatible with 12- and 24-volt electrical systems.