MS40B 2-Pair

Package Includes:

• (4) Rockville MS40B Black 4″ 200 Watt Marine Boat Speakers Compact and Powerful

Video of MS40:

What’s In the Box:

2 SpeakersInstallation Hardware: (8 Stainless Steel Screws + 8 Stainless Steel Speed Clips)Mounting TemplateOwner’s ManualWarranty CardFeatures:

Pair Rockville MS40B 4″ 200 Watt Waterproof Marine Boat SpeakersPeak Power: 200 Watts per pair / 100 Watts eachRMS Power: 50 Watts per pair / 25 Watts eachColor: BlackInjection Molded Polypropylene ConeAluminum voice coil with ASV windingCloth surroundsImpedance: 4 OhmFrequency Response: 122Hz 20 KhzSensitivity: 85dB @1w/1mHigh quality magnet: 3.5 Oz Y30 Ferrite magnet1 inch ASV voice coilIP56 waterproof ratingFully Marinized Against Salt & Fresh Water ConditionsCompletely Waterproof and rustproof at level IP56Anti-UV molded ABS plastic basket & grillPre-installed mounting screws includedPerfect for marine, outdoor, and car use1 inch Tweeter: (Mylar Diaphragm with NdFeB magnet)Injection Molded Polypropylene Dust CapSPL: 85dB 2dB (at 1M / 1W)Resonant Frequency (F0) 122Hz + or 20% at 1V3MM plate and 3 MM T-yokeTotal Diameter: 5.12Cutout Diameter in Inches for Mounting: 3.66Total Height: 2.36Mounting Depth in inches:1.57Shipping weight: 1.76 LbsShipping Dimensions:6 x 6 x 5.7T/S Parameters:

• Magnet details: F60*F24*8 Y30
• Fs:154.7 Hz
• Re:3.2 ohms
• Qes:2.57
• Qts:1.611
• Qms:4.315
• Vas:0.847L
• Cms:210.222UM/N
• Bl:2.468T
• MMS:5.029g
• XMAX:1.5 mm
• SD:54 cm2