FREE shipping to
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

Enhance your factory or aftermarket radio and sound system with the Alpine OPTIM 8. Featuring a built-in 8-channel amplifier with Hi-Res Audio playback up to 96kHz/24Bit, the OPTIM 8 is the all-in-one sound solution to amplify and effortlessly sound-tune your system in minutes.

When it comes to pure power and performance, the Cerwin-Vega Stroker Pro Series Amplifiers stand in a league of their own. Designed for the most demanding audiophiles and SPL enthusiasts, these amplifiers deliver BIG power, BIG performance, and BIG sound—because anything less is simply not an option.Whether you’re competing in SPL events or crafting an extreme sound system for personal enjoyment, Stroker Pro amplifiers are built to dominate. Their robust design and exceptional power-handling capabilities make them the ultimate choice for serious enthusiasts.The Cerwin-Vega Stroker Pro Amplifiers don’t just power your audio system—they unleash it. If you’re ready to experience sound that shakes the ground and turns heads, these amplifiers are your ultimate weapon.Take your sound to dramatic new levels with Stroker Pro. The power is in your hands.

Unleash the hidden potential of any sound system with the Alpine OPTIM6. The OPTIM6 6-channel processor was designed to complement any aftermarket sound system with existing external amplifiers or easily add an external amplifier to a factory or aftermarket sound system.

Experience the impressive power and exceptional performance of the Next-Gen R-Series R2-A75M Mono Amplifier, now featuring a more compact design. Built with Alpine's cutting-edge Class D Amplifier Circuit, this next-generation R-Series amp offers exceptional sound quality and efficiency, making it the perfect addition to any car audio system.