Alpine PDX4.100

• Power: 4 ohms: 100 watts x 4 chan.
• Demensions:7-9/16"L x 10-1/8"W x 2-7/16"H
• Misc.: Stackable installation design with front-panel controls

JL Audio A4300

• Power: 45W RMS x 4 @ 4 ohm
• Demensions: 13.80 in. x 9.25 in. x 2.50 in.
• Misc.: Absolute Symmetry™ Class A/B Circuit (U.S. Patent #6,294,959)