This listing includes two Alpine PDX series digital car audio amplifiers: the PDX-4.100 (4-channel) and the PDX-1.1000 (mono). These amps are known for their compact design, high power output, and stackable form factor, making them ideal for space-saving installations. They are in excellent working condition.

Both amplifiers have been well-maintained and show minimal signs of wear. They deliver powerful and clear audio, perfect for upgrading your car's sound system. Ready for installation to provide a premium audio experience. $400 for both