(4) Rockville MS40W White 4″ 200 Watt Marine Boat Speakers Compact and Powerful

Video of MS40:

Features:
Pair Rockville MS40W 4" 200 Watt Waterproof Marine Boat Speakers
Peak Power: 200 Watts per pair / 100 Watts each
RMS Power: 50 Watts per pair / 25 Watts each
Color: White
Injection Molded Polypropylene Cone
Aluminum voice coil with ASV winding
Cloth surrounds
Impedance: 4 Ohm
Frequency Response: 122Hz – 20 Khz
Sensitivity: 85dB @1w/1m
High quality magnet: 3.5 Oz Y30 Ferrite magnet
1” inch ASV voice coil
IP56 waterproof rating
Fully Marinized Against Salt & Fresh Water Conditions
Completely Waterproof and rustproof at level IP56
Anti-UV molded ABS plastic basket & grill
Pre-installed mounting screws included
Perfect for marine, outdoor, and car use
1” inch Tweeter: (Mylar Diaphragm with NdFeB magnet)
Injection Molded Polypropylene Dust Cap
SPL: 85dB ± 2dB (at 1M / 1W)
Resonant Frequency (F0) 122Hz + or – 20% at 1V
3MM plate and 3 MM T-yoke
Total Diameter: 5.12”
Cutout Diameter in Inches for Mounting: 3.66”
Total Height: 2.36”
Mounting Depth in inches:1.57’’
Shipping weight: 1.76 Lbs
Shipping Dimensions:6” x 6” x 5.7”
T/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
Owner’s Manual