$150 off Alpine MRX-M55 X-Power Series Amp

Upgrade your vehicle's sound system with this Alpine X-Power Series MRX-M55 Class D amplifier that features PDX technology and global modulation circuitry for optimal performance. The 4-channel nonfading speaker input ensures easy connection.

• Handles up to 1100W maximum power
• Low-pass and subsonic filters
• 4-, 2- and 1-ohm impedances
• PDX technology