JL Audio AP600/6 Compact Marine 6-Channel 600W Amplifier IP67 Memphis Powersports Audio 5-1/2" (140mm) x 4-5/16" (110mm)Depth:

5-1/2" (140mm) x 4-5/16" (110mm)Depth: 1-1/16" (27mm)Mounting Cutout: 4-1/4" (108mm) x 3" (76mm)

Specifically engineered for MP series speakers

Activates Boom 1

75 Port diameter (inches) N/A Port length (inches) N/A The Alpine R2-W8D4 replaces these items: Alpine SWR-8D4

Its machined aluminum chassis and tuned rear chamber drop the mounting depth to under an inch without sacrificing low-frequency response

JL Audio AP600/6 Compact Marine 6-Channel 600W Amplifier IP67 Memphis Powersports Audio 5-1/2" (140mm) x 4-5/16" (110mm)Depth:Toss those bulky amps overboard and make room for this waterproof powerhouse that laughs at salt and spray. This compact beast delivers crystal clear tunes to your entire vessel without hogging all your storage space. With six channels of pure muscle and an IP67 rating, your party stays loud even when the weather gets rowdy. It is a rugged secret weapon for boaters who demand serious sound in a small package. RMS Power Output 50 watts x 4 + 100 watts